def swagger_type(t):
if t.WhichOneof('type') == 'set':
return {'type': 'array', 'items': swagger_type(t.set)}
# TODO: Probably should use datamodel.typeref
if t.WhichOneof('type') == 'type_ref':
# TODO: What is the impact of removing this?
#assert len(t.type_ref.ref.path) == 1
model = t.type_ref.ref.path[0]
if model in module.apps:
used_models.add(model)
return {'$ref': '#/definitions/' + model}
type_ = datamodel.typeref(t, module)[2]
if type_ is None:
return None
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
return TYPE_MAP[type_.primitive]
elif which_type == 'enum':
return {'type': 'number', 'format': 'integer'}
elif which_type in ['tuple', 'relation']:
deftype = '.'.join(t.type_ref.ref.path)
used_definitions.add(deftype)
return {'$ref': '#/definitions/' + deftype}
else:
# return {'type': 'sysl:' + type_.WhichOneof('type')}
raise RuntimeError('Unexpected field type for Swagger '
'export: ' + which_type)
def swagger_type(t):
if t.WhichOneof('type') == 'set':
return {'type': 'array', 'items': swagger_type(t.set)}
# TODO: Probably should use datamodel.typeref
if t.WhichOneof('type') == 'type_ref':
# TODO: What is the impact of removing this?
#assert len(t.type_ref.ref.path) == 1
model = t.type_ref.ref.path[0]
if model in module.apps:
used_models.add(model)
return {'$ref': '#/definitions/' + model}
type_ = datamodel.typeref(t, module)[2]
if type_ is None:
return None
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
return TYPE_MAP[type_.primitive]
elif which_type == 'enum':
return {'type': 'number', 'format': 'integer'}
elif which_type in ['tuple', 'relation']:
deftype = '.'.join(t.type_ref.ref.path)
used_definitions.add(deftype)
return {'$ref': '#/definitions/' + deftype}
else:
# return {'type': 'sysl:' + type_.WhichOneof('type')}
raise RuntimeError(
'Unexpected field type for Swagger '
'export: ' + which_type)
def export_model_js(module, appname, outpath, indent):
'''The Model as JSON'''
app = module.apps.get(appname)
assert app, appname
model = {}
model['_version'] = '0.1'
model['model'] = '_'.join(app.name.part)
tables = model['types'] = {}
for (tname, t) in app.types.iteritems():
titem = tables[tname] = {}
tmeta = titem['_'] = {}
if t.HasField('relation'):
tmeta['rel'] = True
pkey = datamodel.primary_key_params(t, module)
pkey_fields = {f for (_, f, _) in pkey}
param_defs = [(typ, f) for (typ, _, f) in pkey]
pk_param = ', '.join(f for (_, _, f) in pkey)
fkeys = {
java.name(fname): type_info
for (fname, _, type_info) in datamodel.foreign_keys(t, module)
}
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(java_type, type_info, ftype) = datamodel.typeref(f, module)
which_f = f.WhichOneof('type')
if which_f == 'primitive':
ftname = ftype.primitive
elif fname in fkeys:
fk_type_info = fkeys[fname]
ftname = (fk_type_info.parent_path +
('.' + fk_type_info.field
if fk_type_info.field != jfname else '='))
if fname in pkey_fields:
jfname += '*'
elif 'required' in syslx.patterns(f.attrs):
jfname += '!'
fitem = titem[jfname] = [ftname]
if len(fitem) == 1:
fitem = titem[jfname] = fitem[0]
out = cStringIO.StringIO()
js_dump(appname, model, indent, out)
open(outpath, 'w').write(out.getvalue())
def build_element(attr_fname, attr_f, is_set, is_attr):
jfname = java.name(attr_fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(attr_f, context.module)[2]
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
xsdtype = XSD_TYPE_MAP[type_.primitive]
elif which_type == 'enum':
xsdtype = 'xs:int'
elif which_type == 'tuple':
offset = -1
if is_set:
offset = -2
xsdtype = datamodel.typeref(attr_f,
context.module)[0].split('.')[offset]
else:
raise RuntimeError('Unexpected field type for XSD '
'export: ' + which_type)
if is_attr:
xs('attribute/', name=jfname, type=xsdtype, use='optional')
else:
xs('element/', name=jfname, type=xsdtype, minOccurs=0)
def build_element(attr_fname, attr_f, is_set, is_attr):
jfname = java.name(attr_fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(attr_f, context.module)[2]
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
xsdtype = XSD_TYPE_MAP[type_.primitive]
elif which_type == 'enum':
xsdtype = 'xs:int'
elif which_type == 'tuple':
offset = -1
if is_set:
offset = -2
xsdtype = datamodel.typeref(attr_f, context.module)[
0].split('.')[offset]
else:
raise RuntimeError(
'Unexpected field type for XSD '
'export: ' + which_type)
if is_attr:
xs('attribute/', name=jfname, type=xsdtype, use='optional')
else:
xs('element/', name=jfname, type=xsdtype, minOccurs=0)
def export_model_js(module, appname, outpath, indent):
'''The Model as JSON'''
app = module.apps.get(appname)
assert app, appname
model = {}
model['_version'] = '0.1'
model['model'] = '_'.join(app.name.part)
tables = model['types'] = {}
for (tname, t) in app.types.iteritems():
titem = tables[tname] = {}
tmeta = titem['_'] = {}
if t.HasField('relation'):
tmeta['rel'] = True
pkey = datamodel.primary_key_params(t, module)
pkey_fields = {f for (_, f, _) in pkey}
param_defs = [(typ, f) for (typ, _, f) in pkey]
pk_param = ', '.join(f for (_, _, f) in pkey)
fkeys = {java.name(fname): type_info
for (fname, _, type_info) in datamodel.foreign_keys(t, module)}
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(java_type, type_info, ftype) = datamodel.typeref(f, module)
which_f = f.WhichOneof('type')
if which_f == 'primitive':
ftname = ftype.primitive
elif fname in fkeys:
fk_type_info = fkeys[fname]
ftname = (
fk_type_info.parent_path +
('.' + fk_type_info.field if fk_type_info.field != jfname else '='))
if fname in pkey_fields:
jfname += '*'
elif 'required' in syslx.patterns(f.attrs):
jfname += '!'
fitem = titem[jfname] = [ftname]
if len(fitem) == 1:
fitem = titem[jfname] = fitem[0]
out = cStringIO.StringIO()
js_dump(appname, model, indent, out)
open(outpath, 'w').write(out.getvalue())
def export_facade_class(context):
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w = writer.Writer('java')
java.Package(w, context.package)
java.StandardImports(w)
java.Import(w, modelpkg + '.' + model_name)
w()
with java.Class(w,
context.appname,
context.write_file,
package=context.package):
with java.Ctor(w, '\npublic', context.appname,
[(model_name, 'model')]):
w('this.model = model;')
for (tname, _, _) in syslx.wrapped_facade_types(context):
w('this.{}Facade = new {}Facade();',
java.safe(tname[:1].lower() + tname[1:]), tname)
with java.Method(w, '\npublic', model_name, 'getModel'):
w('return model;')
java.SeparatorComment(w)
for (tname, ft, t) in syslx.wrapped_facade_types(context):
if t.HasField('relation'):
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
param_defs = [(typ, jfname) for (typ, fname, jfname) in pkey
if 'autoinc' not in syslx.patterns(
t.relation.attr_defs[fname].attrs)]
params = ''.join(', ' + f for (_, f) in param_defs)
param = ', '.join(f for (_, f) in param_defs)
fkeys = {
java.name(fname): type_info
for (fname, _, type_info
) in datamodel.foreign_keys(t, context.module)
}
inner_type = ('HashMap<Key, {}>'
if pkey else 'HashSet<{}>').format(tname)
required = []
for fname in sorted(ft.relation.attr_defs.keys()):
f = t.relation.attr_defs.get(fname)
if ('required' in syslx.patterns(f.attrs)
or 'required' in syslx.patterns(
ft.relation.attr_defs.get(fname).attrs)):
jfname = java.name(fname)
method = java.CamelCase(jfname)
(java_type, type_info,
_) = datamodel.typeref(f, context.module)
if java_type == 'Object':
datamodel.typeref(f, context.module)
required.append((fname, java_type))
with java.Method(w, '\npublic', tname + 'Facade',
'get' + tname):
w('return {}Facade;',
java.safe(tname[:1].lower() + tname[1:]))
w()
with java.Class(w, tname + 'Facade', context.write_file):
with java.Method(w, 'public',
'{}.{}.Table'.format(modelpkg,
tname), 'table'):
w('return model.get{}Table();', tname, param)
w()
if param_defs or required:
with java.Method(w, 'public', 'Builder0', 'build'):
w('return new Builder0();')
keytypes = {f: kt for (kt, f) in param_defs}
keys = sorted(keytypes)
keyindices = {k: i for (i, k) in enumerate(keys)}
if len(keys) > 3:
# 4 perms yields 16 builders with 32 setters.
logging.error('OUCH! Too many primary key fields')
raise Exception('Too many primary key fields')
for perm in range(2**len(keys)):
bname = 'Builder' + str(perm)
w()
with java.Class(w, bname, context.write_file):
done = [
k for (i, k) in enumerate(keys)
if 2**i & perm
]
remaining = [k for k in keys if k not in done]
with java.Ctor(w, '', bname, [(keytypes[k], k)
for k in done]):
for k in done:
w('this.{0} = {0};', k)
if required and not remaining:
w(
'this._pending = {};',
hex(2**len(required) -
1).rstrip('L'))
for fname in remaining:
f = t.relation.attr_defs[fname]
jfname = java.name(fname)
method = java.CamelCase(jfname)
(java_type, type_info,
_) = datamodel.typeref(f, context.module)
next_bname = 'Builder{}'.format(
perm | 2**keyindices[fname])
w()
if jfname in fkeys:
fk_type = fkeys[jfname].parent_path
fk_field = fkeys[jfname].field
if f.type_ref.ref.path[-1:] == [fname]:
method_suffix = fk_type
else:
method_suffix = method + 'From'
with java.Method(
w, 'public', next_bname,
'with' + method_suffix,
[(modelpkg + '.' + fk_type,
'entity')]):
w(
'{} {} = entity == null ? null : entity.get{}();',
java_type, jfname,
java.CamelCase(fk_field))
w(
'return new {}({});',
next_bname,
', '.join(k for k in keys
if k == fname
or k in done))
else:
with java.Method(
w, 'public', next_bname,
'with' + java.CamelCase(fname),
[(keytypes[fname], fname)]):
w(
'return new {}({});',
next_bname,
', '.join(k for k in keys
if k == fname
or k in done))
if not remaining:
for (i, (r, rtype)) in enumerate(required):
method = java.CamelCase(r)
w()
# TODO: jfname set in a previous loop??
if jfname in fkeys:
fk_type = fkeys[jfname].parent_path
fk_field = fkeys[jfname].field
if f.type_ref.ref.path[-1:] == [
fname
]:
method = fk_type
else:
method += 'From'
with java.Method(
w, 'public', bname,
'with' + method,
[(modelpkg + '.' + fk_type,
java.mixedCase(fk_type))]):
with java.If(
w,
'(_pending & {}) == 0',
hex(2**i)):
# TODO: More specific
# exception
w('throw new RuntimeException();'
)
w('this.{0} = {0};',
java.mixedCase(fk_type))
w('_pending &= ~{};',
hex(2**i))
w('return this;')
else:
with java.Method(
w, 'public', bname,
'with' + method,
[(rtype, r)]):
with java.If(
w,
'(_pending & {}) == 0',
hex(2**i)):
# TODO: More specific
# exception
w('throw new RuntimeException();'
)
w('this.{0} = {0};', r)
w('_pending &= ~{};',
hex(2**i))
w('return this;')
with java.Method(w, '\npublic',
modelpkg + '.' + tname,
'insert'):
if required:
with java.If(w, '_pending != 0'):
# TODO: More specific exception
w('throw new RuntimeException();'
)
w(
u'{} result = table()._PRIVATE_insert({});',
modelpkg + '.' + tname, param)
for (r, rtype) in required:
if jfname in fkeys:
fk_field = fkeys[
jfname].field
w('result.set{}({});',
fk_type,
java.mixedCase(fk_type))
else:
w('result.set{}({});',
java.CamelCase(r), r)
w('return result;')
else:
w(
u'return table()._PRIVATE_insert({});',
param)
if done:
w()
w('// primary key')
for d in done:
w('private final {} {};', keytypes[d],
d)
if required and not remaining:
w()
w('// required fields')
for (r, rtype) in required:
if jfname in fkeys:
fk_type = fkeys[jfname].parent_path
fk_field = fkeys[jfname].field
w('private {} {};',
modelpkg + '.' + fk_type,
java.mixedCase(fk_type))
else:
w('private {} {};', rtype, r)
w()
w('private int _pending;')
else:
with java.Method(w, 'public', modelpkg + '.' + tname,
'insert'):
w('{} result = table()._PRIVATE_insert();',
modelpkg + '.' + tname)
w('return result;')
java.SeparatorComment(w)
for (tname, _, t) in syslx.wrapped_facade_types(context):
if t.HasField('relation'):
w('private final {}Facade {}Facade;', tname,
java.safe(tname[:1].lower() + tname[1:]))
w()
w('private final {}.{} model;', modelpkg, model_name)
w()
def serializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'javax.xml.stream.XMLStreamException')
java.Import(w, 'javax.xml.stream.XMLStreamWriter')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
modelpkg = package
with java.Class(w, '\n{}XmlSerializer'.format(model_class), write_file,
package=package):
with java.Method(w, '\npublic', 'void', 'serialize',
[(model_class, 'facade' if facade else 'model'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
if facade:
w('{} model = facade.getModel();', model_name)
w('xsw.writeStartElement("{}");', model_class)
for (tname, ft, t) in syslx.sorted_types(context):
if t.WhichOneof('type') == 'relation':
w('serialize(model.get{0}Table(), xsw, "{0}");', tname)
w('xsw.writeEndElement();')
for (tname, ft, t) in syslx.sorted_types(context):
java.SeparatorComment(w)
if t.WhichOneof('type') in ['relation', 'tuple']:
with java.Method(w, '\npublic', 'void', 'serialize',
[(modelpkg + '.' + tname + '.View', 'view'),
('XMLStreamWriter', 'xsw'),
('String', 'tag')],
throws=['XMLStreamException']):
with java.If(w, 'view == null || view.isEmpty()'):
w('return;')
if t.WhichOneof('type') == 'relation':
w('xsw.writeStartElement("{}List");', tname)
order = [o.s for o in syslx.View(
t.attrs)['xml_order'].a.elt]
if order:
order_logic = []
for o in order:
order_logic.append(
' i = io.sysl.ExprHelper.doCompare'
'(a.get{0}(), b.get{0}());\n'
' if (i != 0) return i;\n'.format(java.CamelCase(o)))
order_by = (
'.orderBy(\n'
' new java.util.Comparator<{0}> () {{\n'
' @Override\n'
' public int compare({0} a, {0} b) {{\n'
' int i;\n'
'{1}'
' return 0;\n'
' }}\n'
' }})\n').format(tname, ''.join(order_logic))
else:
order_by = ''
with java.For(w, '{} item : view{}',
modelpkg + '.' + tname, order_by):
w('serialize(item, xsw, tag);', tname)
if t.WhichOneof('type') == 'relation':
w('xsw.writeEndElement();')
with java.Method(w, '\npublic', 'void', 'serialize',
[(modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
w('serialize(entity, xsw, "{}");', tname)
with java.Method(w, '\npublic', 'void', 'serialize',
[(modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw'),
('String', 'tag')],
throws=['XMLStreamException']):
with java.If(w, 'entity == null'):
w('return;')
w('xsw.writeStartElement(tag);', tname)
for wantAttrs in [True, False]:
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
tref = datamodel.typeref(f, module)
type_ = tref[2]
if not type_:
continue
extra = ''
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
extra = XML_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = 'round(entity.get{}(), {})'.format(
method, c.scale)
break
else:
access = 'round(entity.get{}(), 0)'.format(
method)
else:
access = 'entity.get{}()'.format(method)
elif which_type == 'enum':
access = 'entity.get{}().getValue()'.format(method)
elif which_type == 'tuple':
access = 'entity.get{}()'.format(method)
else:
raise RuntimeError(
'Unexpected field type for XML export: ' + which_type)
if wantAttrs == (
'xml_attribute' in syslx.patterns(f.attrs)):
if wantAttrs:
w('serializeAttr("{}", {}{}, xsw);',
jfname, access, extra)
else:
# TODO: Why is 'index' bad? (NB: This was a debug hook, but the author forgot why.)
assert jfname != 'index'
w('serializeField("{}", {}{}, xsw);',
jfname, access, extra)
w('xsw.writeEndElement();')
with java.Method(w, '\npublic', 'void', 'serializeField',
[('String', 'fieldname'),
(modelpkg + '.' + tname + '.View', 'view'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
with java.If(w, 'view != null && !view.isEmpty()'):
w('serialize(view, xsw, fieldname);')
with java.Method(w, '\npublic', 'void', 'serializeField',
[('String', 'fieldname'), (modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
with java.If(w, 'entity != null'):
w('serialize(entity, xsw, fieldname);')
def serialize(t, access, extra_args=None):
with java.Method(w, '\nprivate', 'void', 'serialize',
([(t, 'value')] + (extra_args or []) +
[('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
w('xsw.writeCharacters({});', access)
serialize('String', 'value')
serialize('Boolean', 'value.toString()')
serialize('Integer', 'value.toString()')
serialize('Double', 'value.toString()')
serialize('BigDecimal', 'value.toString()')
serialize('UUID', 'value.toString()')
serialize('DateTime', 'fmt.print(value)',
[('DateTimeFormatter', 'fmt')])
serialize('LocalDate', 'iso8601Date.print(value)')
def serializeField(t, access, extra_args=None):
with java.Method(w, '\nprivate', 'void', 'serializeField',
([('String', 'fieldname'), (t, 'value')] + (extra_args or []) +
[('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
with java.If(w, 'value != null'):
w('xsw.writeStartElement(fieldname);')
w('serialize(value{}, xsw);',
''.join(', ' + arg for (_, arg) in extra_args or []))
w('xsw.writeEndElement();')
with java.Method(w, '\nprivate', 'void', 'serializeAttr',
([('String', 'fieldname'), (t, 'value')] + (extra_args or []) +
[('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
with java.If(w, 'value != null'):
w('xsw.writeAttribute(fieldname, {});', access)
serializeField('String', 'value')
serializeField('Boolean', 'value.toString()')
serializeField('Integer', 'value.toString()')
serializeField('Double', 'value.toString()')
serializeField('BigDecimal', 'value.toString()')
serializeField('UUID', 'value.toString()')
serializeField('DateTime', 'fmt.print(value)',
[('DateTimeFormatter', 'fmt')])
serializeField('LocalDate', 'iso8601Date.print(value)')
with java.Method(w, '\nprivate final', 'BigDecimal', 'round',
[('BigDecimal', 'd'), ('int', 'scale')]):
w('return d == null ? d : '
'd.setScale(scale, java.math.RoundingMode.HALF_UP);')
w('\nprivate final DateTimeFormatter iso8601Date = '
'ISODateTimeFormat.date();')
w('private final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTime();')
def serializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.io.IOException')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'com.fasterxml.jackson.core.JsonGenerator')
java.Import(w, 'com.fasterxml.jackson.databind.JsonSerializer')
java.Import(w, 'com.fasterxml.jackson.databind.SerializerProvider')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
w()
with java.Class(w, model_class + 'JsonSerializer', write_file,
package=package, extends='JsonSerializer<' + model_class + '>'):
w()
with java.Method(w, 'public', 'void', 'serialize',
[(model_class, 'facade' if facade else 'model'),
('JsonGenerator', 'g'),
('SerializerProvider', 'provider')],
throws=['IOException'],
override=True):
if facade:
w('{} model = facade.getModel();', model_name)
w(u'g.writeStartObject();')
for (tname, t) in sorted(app.types.iteritems()):
if t.WhichOneof('type') == 'relation':
w(u'serialize{0}View(g, model.get{0}Table());', tname)
w(u'g.writeEndObject();')
for (tname, t) in sorted(app.types.iteritems()):
if not t.WhichOneof('type') in ['relation', 'tuple']:
continue
java.SeparatorComment(w)
if t.WhichOneof('type') == 'relation':
w()
with java.Method(w, 'public', 'void', 'serialize' + tname + 'View',
[('JsonGenerator', 'g'),
(tname + '.View', 'view')],
throws=['IOException']):
with java.If(w, 'view.isEmpty()'):
w('return;')
w('g.writeArrayFieldStart("{}");', tname)
with java.For(w, '{} item : view', tname):
w('g.writeStartObject();')
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(f, module)[2]
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
(jsontype,
extra) = JSON_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = (
'{0} == null ? null : item.{0}.setScale({1}, '
'java.math.RoundingMode.HALF_UP)').format(
jfname, c.scale)
break
else:
access = jfname
elif which_type == 'enum':
jsontype = 'Number'
access = jfname + '.getValue()'
elif which_type == 'tuple':
access = jfname
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' + which_type)
w(u'writeField(g, "{}", {});',
jfname, extra.format('item.' + access))
w(u'g.writeEndObject();')
w(u'g.writeEndArray();')
else:
# fieldname, entity
with java.Method(w, 'public', 'void', 'serialize',
[('JsonGenerator', 'g'),
('String', 'fieldname'),
(tname, 'entity')],
throws=['IOException']):
with java.If(w, 'entity == null'):
w(u'return;')
w(u'g.writeFieldName(fieldname);')
w(u'serialize(g, entity);')
# entity
with java.Method(w, 'public', 'void', 'serialize',
[('JsonGenerator', 'g'),
(tname, 'entity')],
throws=['IOException']):
w(u'g.writeStartObject();')
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(f, module)[2]
which_type = ''
if type_ is None:
if f.WhichOneof('type') == 'set' and f.set.HasField('primitive'):
which_type = 'tuple'
else:
which_type = type_.WhichOneof('type')
extra = '{}'
if which_type == 'primitive':
access = 'entity.get{}()'.format(method)
(jsontype, extra) = JSON_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = (
'entity.{} == null ? null : entity.get{}().setScale({}, '
'java.math.RoundingMode.HALF_UP)').format(
jfname, method, c.scale)
break
w(u'writeField(g, "{}", {});', jfname, access)
elif which_type == 'enum':
access = 'entity.{} == null ? null : entity.get{}().getValue()'.format(jfname, method)
w(u'writeField(g, "{}", {});', jfname, access)
elif which_type == 'tuple':
w(u'serialize(g, "{}", entity.get{}());'.format(
fname, method))
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' + which_type)
# end for
w(u'g.writeEndObject();')
w()
# view, fieldname
with java.Method(w, 'public', 'void', 'serialize',
[('JsonGenerator', 'g'), ('String', 'fieldname'),
(tname + '.View', 'view')],
throws=['IOException']):
with java.If(w, 'view == null || view.isEmpty()'):
w(u'return;')
w(u'g.writeArrayFieldStart(fieldname);')
with java.For(w, '{} item : view', tname):
w(u'serialize(g, item);')
w(u'g.writeEndArray();')
for t in ['Boolean', 'String']:
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'),
('String', 'fieldname'), (t, 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.write{}Field(fieldname, value);', t)
# TODO(sahejsingh): implement for ['Boolean', 'Integer', 'Double', 'BigDecimal', 'DateTime', 'LocalDate', 'UUID']
w()
with java.Method(w, 'private', 'void', 'serialize',
[('JsonGenerator', 'g'),
('String', 'fieldname'), ('HashSet<String>', 'value')],
throws=['IOException']):
with java.If(w, 'value == null || value.isEmpty()'):
w(u'return;')
w(u'g.writeArrayFieldStart(fieldname);')
with java.For(w, 'String item : value', t):
w(u'g.writeString(item);')
w(u'g.writeEndArray();')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'), ('String',
'fieldname'), ('Integer', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value.intValue());')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'), ('String',
'fieldname'), ('Double', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value.doubleValue());')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'),
('String', 'fieldname'),
('BigDecimal', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value);')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'),
('String', 'fieldname'),
('DateTime', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, iso8601DateTime.print(value));')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'),
('String', 'fieldname'),
('LocalDate', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, iso8601Date.print(value));')
w()
with java.Method(w, 'private', 'void', 'writeField',
[('JsonGenerator', 'g'), ('String',
'fieldname'), ('UUID', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, value.toString());')
w('\nprivate final DateTimeFormatter iso8601Date = '
'ISODateTimeFormat.date();')
w('private final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTime();')
def deserializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.io.IOException')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'com.fasterxml.jackson.core.JsonParseException')
java.Import(w, 'com.fasterxml.jackson.core.JsonParser')
java.Import(w, 'com.fasterxml.jackson.core.JsonToken')
java.Import(w, 'com.fasterxml.jackson.databind.JsonDeserializer')
java.Import(w, 'com.fasterxml.jackson.databind.DeserializationContext')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
model_name = model_class
has_tables = any(
t.HasField('relation')
for (tname, t) in sorted(app.types.iteritems()))
w()
with java.Class(w, model_class + 'JsonDeserializer', write_file,
package=package,
extends='JsonDeserializer<' + model_class + '>'):
w()
with java.Method(w, 'public', model_class, 'deserialize',
[('JsonParser', 'p'),
('DeserializationContext', 'provider')],
throws=['IOException', 'JsonParseException'], override=True):
w('{0} model = new {0}();', model_name)
if facade:
w('{0} facade = new {0}(model);', model_class)
w()
w('eatToken(p, JsonToken.START_OBJECT);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, 'eatName(p)'):
for (tname, t) in sorted(app.types.iteritems()):
if t.HasField('relation'):
w(('case "{0}": deserialize{0}Table(p, '
'model.get{0}Table()); break;'),
tname)
w('default: skipJson(p);')
w('expectToken(p, JsonToken.END_OBJECT);')
w()
if facade:
w('return facade;')
else:
w('return model;')
for (tname, t) in sorted(app.types.iteritems()):
if t.HasField('tuple'):
# HashSet<User defined type>
with java.Method(w, 'private', tname + '.View', 'deserialize' + tname + 'View',
[('JsonParser', 'p')],
throws=['IOException', 'JsonParseException']):
w()
w('{0}.Set view = new {0}.Set();', tname)
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('{0} entity = {0}._PRIVATE_new();', tname)
w('deserialize(p, entity);')
w('view.add(entity);')
w('p.nextToken();')
w('return view;')
with java.Method(w, 'public', tname, 'deserialize',
[('JsonParser', 'p'), (tname, 'entity')],
throws=['IOException', 'JsonParseException'], override=False):
w()
w('eatToken(p, JsonToken.START_OBJECT);')
with java.If(w, 'entity == null'):
w('entity = {0}._PRIVATE_new();', tname)
with java.While(w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, 'eatName(p)'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _, type_) = datamodel.typeref(
f, module)
extra = '{}'
set_with_primitive = False
if type_ is None:
if f.WhichOneof('type') == 'set' and f.set.HasField('primitive'):
which_type = 'tuple'
set_with_primitive = True
type_ = f.set
else:
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
jsontype = JSON_PARSE_MAP[type_.primitive]
if isinstance(jsontype, tuple):
(jsontype, extra) = jsontype
elif which_type == 'enum':
jsontype = 'IntValue'
extra = typename + '.from({})'
elif which_type == 'tuple':
if set_with_primitive:
extra = 'deserializeArray(p)'
elif f.WhichOneof('type') == 'set':
extra = 'deserialize{}View(p)'.format(
f.set.type_ref.ref.path[-1])
elif f.WhichOneof('type') == 'type_ref':
extra = 'deserialize(p, entity.get{}())'.format(
java.CamelCase(jfname))
jsontype = ''
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' + which_type)
private = ''
if type_.primitive in [
sysl_pb2.Type.DATE, sysl_pb2.Type.DATETIME]:
with java.Case(w, '"{}"', jfname):
w(('entity.{}set{}('
'p.getCurrentToken() == JsonToken.VALUE_NULL'
' ? null : {}); p.nextToken(); break;'),
private,
java.CamelCase(jfname),
extra.format('p.get{}()'.format(jsontype)))
else:
w(('case "{}": entity.{}set{}(p.getCurrentToken() == '
'JsonToken.VALUE_NULL ? null : {}); {} break;'),
jfname,
private,
java.CamelCase(jfname),
extra.format(
'p.get{}()'.format(jsontype)),
'' if which_type == 'tuple' else 'p.nextToken();')
w('default: skipJson(p);')
w('p.nextToken();')
w('return entity;')
if not t.HasField('relation'):
continue
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
fkeys = {
java.name(fname): type_info
for (fname, _, type_info) in datamodel.foreign_keys(t, context.module)}
private_setters = pkey_fields | set(fkeys.iterkeys())
w()
with java.Method(w, 'private', 'void', 'deserialize' + tname + 'Table',
[('JsonParser', 'p'), (tname + '.Table', 'table')],
throws=['IOException', 'JsonParseException']):
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('eatToken(p, JsonToken.START_OBJECT);')
w('{0} entity = {0}._PRIVATE_new(table.model());', tname)
with java.While(w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, u'eatName(p)'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _, type_) = datamodel.typeref(f, module)
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
jsontype = JSON_PARSE_MAP[type_.primitive]
if isinstance(jsontype, tuple):
(jsontype, extra) = jsontype
elif which_type == 'enum':
jsontype = 'IntValue'
extra = typename + '.from({})'
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' + which_type)
private = '_PRIVATE_' if jfname in private_setters else ''
if type_.primitive in [
sysl_pb2.Type.DATE, sysl_pb2.Type.DATETIME]:
with java.Case(w, '"{}"', jfname):
w(('entity.{}set{}('
'p.getCurrentToken() == JsonToken.VALUE_NULL'
' ? null : {}); break;'),
private,
java.CamelCase(jfname),
extra.format('p.get{}()'.format(jsontype)))
else:
w(('case "{}": entity.{}set{}(p.getCurrentToken() == '
'JsonToken.VALUE_NULL ? null : {}); break;'),
jfname,
private,
java.CamelCase(jfname),
extra.format('p.get{}()'.format(jsontype)))
with java.Default(w):
w('skipJson(p);')
w('continue;')
w('p.nextToken();')
w('p.nextToken();')
w()
w('table.insert(entity);')
w('p.nextToken();')
# HashSet<Primitive Type>
with java.Method(w, 'private', 'HashSet<String>', 'deserializeArray',
[('JsonParser', 'p')],
throws=['IOException', 'JsonParseException']):
w()
w('HashSet<String> view = new HashSet<String>();')
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('expectToken(p, JsonToken.VALUE_STRING);')
w('view.add(p.getText());')
w('p.nextToken();')
w('p.nextToken();')
w('return view;')
with java.Method(w, '\nprivate', 'void', 'eatToken',
[('JsonParser', 'p'), ('JsonToken', 'token')],
throws=['IOException']):
w(u'expectToken(p, token);')
w(u'p.nextToken();')
with java.Method(w, '\nprivate', 'void', 'expectToken',
[('JsonParser', 'p'), ('JsonToken', 'token')]):
with java.If(w, 'p.getCurrentToken() != token'):
w(('System.err.printf("<<Unexpected token: %s (expecting %s)>>\\n", '
'tokenName(p.getCurrentToken()), tokenName(token));'))
w('throw new {}Exception();', model_name)
with java.Method(w, '\nprivate', 'String', 'eatName', [('JsonParser', 'p')],
throws=['IOException']):
w('expectToken(p, JsonToken.FIELD_NAME);')
w('String name = p.getCurrentName();')
w('p.nextToken();')
w('return name;')
with java.Method(w, '\nprivate', 'String', 'tokenName',
[('JsonToken', 'token')]):
with java.If(w, 'token == null'):
w('return "null";')
with java.Switch(w, 'token'):
for tok in (
'END_ARRAY END_OBJECT FIELD_NAME NOT_AVAILABLE START_ARRAY '
'START_OBJECT VALUE_EMBEDDED_OBJECT VALUE_FALSE VALUE_NULL '
'VALUE_NUMBER_FLOAT VALUE_NUMBER_INT VALUE_STRING VALUE_TRUE'
).split():
w('case {0}: return "{0}";', tok)
w('return "";')
# TODO: refactor into base class
# TODO: replace recursion with depth counter
with java.Method(w, '\nprivate', 'void', 'skipJson', [('JsonParser', 'p')],
throws=['IOException']):
w('JsonToken tok = p.getCurrentToken();')
w('p.nextToken();')
with java.Switch(w, 'tok'):
for tok in (
'END_ARRAY END_OBJECT FIELD_NAME NOT_AVAILABLE '
'VALUE_EMBEDDED_OBJECT VALUE_FALSE VALUE_NULL '
'VALUE_NUMBER_FLOAT VALUE_NUMBER_INT VALUE_STRING VALUE_TRUE').split():
w('case {}: break;', tok)
with java.Case(w, 'START_ARRAY'):
with java.While(w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('skipJson(p);')
w('p.nextToken();')
w('break;')
with java.Case(w, 'START_OBJECT'):
with java.While(w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
w('p.nextToken();')
w('skipJson(p);')
w('p.nextToken();')
w('break;')
# TODO: Is permissive dateTimeParser OK for date types?
w('\nprivate final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTimeParser();')
w()
def serializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.io.IOException')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'com.fasterxml.jackson.core.JsonGenerator')
java.Import(w, 'com.fasterxml.jackson.databind.JsonSerializer')
java.Import(w, 'com.fasterxml.jackson.databind.SerializerProvider')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
w()
with java.Class(w,
model_class + 'JsonSerializer',
write_file,
package=package,
extends='JsonSerializer<' + model_class + '>'):
w()
with java.Method(w,
'public',
'void',
'serialize',
[(model_class, 'facade' if facade else 'model'),
('JsonGenerator', 'g'),
('SerializerProvider', 'provider')],
throws=['IOException'],
override=True):
if facade:
w('{} model = facade.getModel();', model_name)
w(u'g.writeStartObject();')
for (tname, t) in sorted(app.types.iteritems()):
if t.WhichOneof('type') == 'relation':
w(u'serialize{0}View(g, model.get{0}Table());', tname)
w(u'g.writeEndObject();')
for (tname, t) in sorted(app.types.iteritems()):
if not t.WhichOneof('type') in ['relation', 'tuple']:
continue
java.SeparatorComment(w)
if t.WhichOneof('type') == 'relation':
w()
with java.Method(w,
'public',
'void',
'serialize' + tname + 'View',
[('JsonGenerator', 'g'),
(tname + '.View', 'view')],
throws=['IOException']):
with java.If(w, 'view.isEmpty()'):
w('return;')
w('g.writeArrayFieldStart("{}");', tname)
with java.For(w, '{} item : view', tname):
w('g.writeStartObject();')
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(f, module)[2]
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
(jsontype,
extra) = JSON_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = (
'{0} == null ? null : item.{0}.setScale({1}, '
'java.math.RoundingMode.HALF_UP)'
).format(jfname, c.scale)
break
else:
access = jfname
elif which_type == 'enum':
jsontype = 'Number'
access = jfname + '.getValue()'
elif which_type == 'tuple':
access = jfname
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' +
which_type)
w(u'writeField(g, "{}", {});', jfname,
extra.format('item.' + access))
w(u'g.writeEndObject();')
w(u'g.writeEndArray();')
else:
# fieldname, entity
with java.Method(w,
'public',
'void',
'serialize', [('JsonGenerator', 'g'),
('String', 'fieldname'),
(tname, 'entity')],
throws=['IOException']):
with java.If(w, 'entity == null'):
w(u'return;')
w(u'g.writeFieldName(fieldname);')
w(u'serialize(g, entity);')
# entity
with java.Method(w,
'public',
'void',
'serialize', [('JsonGenerator', 'g'),
(tname, 'entity')],
throws=['IOException']):
w(u'g.writeStartObject();')
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
type_ = datamodel.typeref(f, module)[2]
which_type = ''
if type_ is None:
if f.WhichOneof(
'type') == 'set' and f.set.HasField(
'primitive'):
which_type = 'tuple'
else:
which_type = type_.WhichOneof('type')
extra = '{}'
if which_type == 'primitive':
access = 'entity.get{}()'.format(method)
(jsontype, extra) = JSON_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = (
'entity.{} == null ? null : entity.get{}().setScale({}, '
'java.math.RoundingMode.HALF_UP)'
).format(jfname, method, c.scale)
break
w(u'writeField(g, "{}", {});', jfname, access)
elif which_type == 'enum':
access = 'entity.{} == null ? null : entity.get{}().getValue()'.format(
jfname, method)
w(u'writeField(g, "{}", {});', jfname, access)
elif which_type == 'tuple':
w(u'serialize(g, "{}", entity.get{}());'.format(
fname, method))
else:
raise RuntimeError(
'Unexpected field type for JSON export: ' +
which_type)
# end for
w(u'g.writeEndObject();')
w()
# view, fieldname
with java.Method(w,
'public',
'void',
'serialize', [('JsonGenerator', 'g'),
('String', 'fieldname'),
(tname + '.View', 'view')],
throws=['IOException']):
with java.If(w, 'view == null || view.isEmpty()'):
w(u'return;')
w(u'g.writeArrayFieldStart(fieldname);')
with java.For(w, '{} item : view', tname):
w(u'serialize(g, item);')
w(u'g.writeEndArray();')
for t in ['Boolean', 'String']:
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
(t, 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.write{}Field(fieldname, value);', t)
# TODO(sahejsingh): implement for ['Boolean', 'Integer', 'Double', 'BigDecimal', 'DateTime', 'LocalDate', 'UUID']
w()
with java.Method(w,
'private',
'void',
'serialize', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('HashSet<String>', 'value')],
throws=['IOException']):
with java.If(w, 'value == null || value.isEmpty()'):
w(u'return;')
w(u'g.writeArrayFieldStart(fieldname);')
with java.For(w, 'String item : value', t):
w(u'g.writeString(item);')
w(u'g.writeEndArray();')
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('Integer', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value.intValue());')
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('Double', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value.doubleValue());')
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('BigDecimal', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeNumberField(fieldname, value);')
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('DateTime', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, iso8601DateTime.print(value));'
)
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('LocalDate', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, iso8601Date.print(value));')
w()
with java.Method(w,
'private',
'void',
'writeField', [('JsonGenerator', 'g'),
('String', 'fieldname'),
('UUID', 'value')],
throws=['IOException']):
with java.If(w, 'value != null'):
w('g.writeStringField(fieldname, value.toString());')
w('\nprivate final DateTimeFormatter iso8601Date = '
'ISODateTimeFormat.date();')
w('private final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTime();')
def deserializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.io.IOException')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'com.fasterxml.jackson.core.JsonParseException')
java.Import(w, 'com.fasterxml.jackson.core.JsonParser')
java.Import(w, 'com.fasterxml.jackson.core.JsonToken')
java.Import(w, 'com.fasterxml.jackson.databind.JsonDeserializer')
java.Import(w, 'com.fasterxml.jackson.databind.DeserializationContext')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
model_name = model_class
has_tables = any(
t.HasField('relation') for (tname, t) in sorted(app.types.iteritems()))
w()
with java.Class(w,
model_class + 'JsonDeserializer',
write_file,
package=package,
extends='JsonDeserializer<' + model_class + '>'):
w()
with java.Method(w,
'public',
model_class,
'deserialize',
[('JsonParser', 'p'),
('DeserializationContext', 'provider')],
throws=['IOException', 'JsonParseException'],
override=True):
w('{0} model = new {0}();', model_name)
if facade:
w('{0} facade = new {0}(model);', model_class)
w()
w('eatToken(p, JsonToken.START_OBJECT);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, 'eatName(p)'):
for (tname, t) in sorted(app.types.iteritems()):
if t.HasField('relation'):
w(('case "{0}": deserialize{0}Table(p, '
'model.get{0}Table()); break;'), tname)
w('default: skipJson(p);')
w('expectToken(p, JsonToken.END_OBJECT);')
w()
if facade:
w('return facade;')
else:
w('return model;')
for (tname, t) in sorted(app.types.iteritems()):
if not t.HasField('relation') and t.HasField('tuple'):
# HashSet<User defined type>
with java.Method(w,
'private',
tname + '.View',
'deserialize' + tname + 'View',
[('JsonParser', 'p')],
throws=['IOException', 'JsonParseException']):
w()
w('{0}.Set view = new {0}.Set();', tname)
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(
w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('{0} entity = {0}._PRIVATE_new();', tname)
w('deserialize(p, entity);')
w('view.add(entity);')
w('p.nextToken();')
w('return view;')
with java.Method(w,
'public',
tname,
'deserialize', [('JsonParser', 'p'),
(tname, 'entity')],
throws=['IOException', 'JsonParseException'],
override=False):
w()
w('eatToken(p, JsonToken.START_OBJECT);')
with java.If(w, 'entity == null'):
w('entity = {0}._PRIVATE_new();', tname)
with java.While(
w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, 'eatName(p)'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _,
type_) = datamodel.typeref(f, module)
extra = '{}'
set_with_primitive = False
if type_ is None:
if f.WhichOneof(
'type'
) == 'set' and f.set.HasField('primitive'):
which_type = 'tuple'
set_with_primitive = True
type_ = f.set
else:
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
jsontype = JSON_PARSE_MAP[type_.primitive]
if isinstance(jsontype, tuple):
(jsontype, extra) = jsontype
elif which_type == 'enum':
jsontype = 'IntValue'
extra = typename + '.from({})'
elif which_type == 'tuple':
if set_with_primitive:
extra = 'deserializeArray(p)'
elif f.WhichOneof('type') == 'set':
extra = 'deserialize{}View(p)'.format(
f.set.type_ref.ref.path[-1])
elif f.WhichOneof('type') == 'type_ref':
extra = 'deserialize(p, entity.get{}())'.format(
jfname)
jsontype = ''
else:
raise RuntimeError(
'Unexpected field type for JSON export: '
+ which_type)
private = ''
if type_.primitive in [
sysl_pb2.Type.DATE,
sysl_pb2.Type.DATETIME
]:
with java.Case(w, '"{}"', jfname):
w(('entity.{}set{}('
'p.getCurrentToken() == JsonToken.VALUE_NULL'
' ? null : {}); p.nextToken(); break;'
), private, java.CamelCase(jfname),
extra.format(
'p.get{}()'.format(jsontype)))
else:
w(('case "{}": entity.{}set{}(p.getCurrentToken() == '
'JsonToken.VALUE_NULL ? null : {}); {} break;'
), jfname, private,
java.CamelCase(jfname),
extra.format(
'p.get{}()'.format(jsontype)),
'' if which_type == 'tuple' else
'p.nextToken();')
w('default: skipJson(p);')
w('p.nextToken();')
w('return entity;')
continue
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
fkeys = {
java.name(fname): type_info
for (fname, _,
type_info) in datamodel.foreign_keys(t, context.module)
}
private_setters = pkey_fields | set(fkeys.iterkeys())
w()
with java.Method(w,
'private',
'void',
'deserialize' + tname + 'Table',
[('JsonParser', 'p'),
(tname + '.Table', 'table')],
throws=['IOException', 'JsonParseException']):
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(w,
'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('eatToken(p, JsonToken.START_OBJECT);')
w('{0} entity = {0}._PRIVATE_new(table.model());', tname)
with java.While(
w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
with java.Switch(w, u'eatName(p)'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _,
type_) = datamodel.typeref(f, module)
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
jsontype = JSON_PARSE_MAP[type_.primitive]
if isinstance(jsontype, tuple):
(jsontype, extra) = jsontype
elif which_type == 'enum':
jsontype = 'IntValue'
extra = typename + '.from({})'
else:
raise RuntimeError(
'Unexpected field type for JSON export: '
+ which_type)
private = '_PRIVATE_' if jfname in private_setters else ''
if type_.primitive in [
sysl_pb2.Type.DATE,
sysl_pb2.Type.DATETIME
]:
with java.Case(w, '"{}"', jfname):
w(('entity.{}set{}('
'p.getCurrentToken() == JsonToken.VALUE_NULL'
' ? null : {}); break;'), private,
java.CamelCase(jfname),
extra.format(
'p.get{}()'.format(jsontype)))
else:
w(('case "{}": entity.{}set{}(p.getCurrentToken() == '
'JsonToken.VALUE_NULL ? null : {}); break;'
), jfname, private,
java.CamelCase(jfname),
extra.format(
'p.get{}()'.format(jsontype)))
with java.Default(w):
w('skipJson(p);')
w('continue;')
w('p.nextToken();')
w('p.nextToken();')
w()
w('table.insert(entity);')
w('p.nextToken();')
# HashSet<Primitive Type>
with java.Method(w,
'private',
'HashSet<String>',
'deserializeArray', [('JsonParser', 'p')],
throws=['IOException', 'JsonParseException']):
w()
w('HashSet<String> view = new HashSet<String>();')
w('eatToken(p, JsonToken.START_ARRAY);')
with java.While(w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('expectToken(p, JsonToken.VALUE_STRING);')
w('view.add(p.getText());')
w('p.nextToken();')
w('p.nextToken();')
w('return view;')
with java.Method(w,
'\nprivate',
'void',
'eatToken', [('JsonParser', 'p'),
('JsonToken', 'token')],
throws=['IOException']):
w(u'expectToken(p, token);')
w(u'p.nextToken();')
with java.Method(w, '\nprivate', 'void', 'expectToken',
[('JsonParser', 'p'), ('JsonToken', 'token')]):
with java.If(w, 'p.getCurrentToken() != token'):
w(('System.err.printf("<<Unexpected token: %s (expecting %s)>>\\n", '
'tokenName(p.getCurrentToken()), tokenName(token));'))
w('throw new {}Exception();', model_name)
with java.Method(w,
'\nprivate',
'String',
'eatName', [('JsonParser', 'p')],
throws=['IOException']):
w('expectToken(p, JsonToken.FIELD_NAME);')
w('String name = p.getCurrentName();')
w('p.nextToken();')
w('return name;')
with java.Method(w, '\nprivate', 'String', 'tokenName',
[('JsonToken', 'token')]):
with java.If(w, 'token == null'):
w('return "null";')
with java.Switch(w, 'token'):
for tok in (
'END_ARRAY END_OBJECT FIELD_NAME NOT_AVAILABLE START_ARRAY '
'START_OBJECT VALUE_EMBEDDED_OBJECT VALUE_FALSE VALUE_NULL '
'VALUE_NUMBER_FLOAT VALUE_NUMBER_INT VALUE_STRING VALUE_TRUE'
).split():
w('case {0}: return "{0}";', tok)
w('return "";')
# TODO: refactor into base class
# TODO: replace recursion with depth counter
with java.Method(w,
'\nprivate',
'void',
'skipJson', [('JsonParser', 'p')],
throws=['IOException']):
w('JsonToken tok = p.getCurrentToken();')
w('p.nextToken();')
with java.Switch(w, 'tok'):
for tok in (
'END_ARRAY END_OBJECT FIELD_NAME NOT_AVAILABLE '
'VALUE_EMBEDDED_OBJECT VALUE_FALSE VALUE_NULL '
'VALUE_NUMBER_FLOAT VALUE_NUMBER_INT VALUE_STRING VALUE_TRUE'
).split():
w('case {}: break;', tok)
with java.Case(w, 'START_ARRAY'):
with java.While(
w, 'p.getCurrentToken() != JsonToken.END_ARRAY'):
w('skipJson(p);')
w('p.nextToken();')
w('break;')
with java.Case(w, 'START_OBJECT'):
with java.While(
w, 'p.getCurrentToken() != JsonToken.END_OBJECT'):
w('p.nextToken();')
w('skipJson(p);')
w('p.nextToken();')
w('break;')
# TODO: Is permissive dateTimeParser OK for date types?
w('\nprivate final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTimeParser();')
w()
def serializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'javax.xml.stream.XMLStreamException')
java.Import(w, 'javax.xml.stream.XMLStreamWriter')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
modelpkg = package
with java.Class(w,
'\n{}XmlSerializer'.format(model_class),
write_file,
package=package):
with java.Method(w,
'\npublic',
'void',
'serialize',
[(model_class, 'facade' if facade else 'model'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
if facade:
w('{} model = facade.getModel();', model_name)
w('xsw.writeStartElement("{}");', model_class)
for (tname, ft, t) in syslx.sorted_types(context):
if t.WhichOneof('type') == 'relation':
w('serialize(model.get{0}Table(), xsw, "{0}");', tname)
w('xsw.writeEndElement();')
for (tname, ft, t) in syslx.sorted_types(context):
java.SeparatorComment(w)
if t.WhichOneof('type') in ['relation', 'tuple']:
with java.Method(w,
'\npublic',
'void',
'serialize',
[(modelpkg + '.' + tname + '.View', 'view'),
('XMLStreamWriter', 'xsw'),
('String', 'tag')],
throws=['XMLStreamException']):
with java.If(w, 'view == null || view.isEmpty()'):
w('return;')
if t.WhichOneof('type') == 'relation':
w('xsw.writeStartElement("{}List");', tname)
order = [
o.s for o in syslx.View(t.attrs)['xml_order'].a.elt
]
if order:
order_logic = []
for o in order:
order_logic.append(
' i = io.sysl.ExprHelper.doCompare'
'(a.get{0}(), b.get{0}());\n'
' if (i != 0) return i;\n'.format(
java.CamelCase(o)))
order_by = (
'.orderBy(\n'
' new java.util.Comparator<{0}> () {{\n'
' @Override\n'
' public int compare({0} a, {0} b) {{\n'
' int i;\n'
'{1}'
' return 0;\n'
' }}\n'
' }})\n').format(tname, ''.join(order_logic))
else:
order_by = ''
with java.For(w, '{} item : view{}',
modelpkg + '.' + tname, order_by):
w('serialize(item, xsw, tag);', tname)
if t.WhichOneof('type') == 'relation':
w('xsw.writeEndElement();')
with java.Method(w,
'\npublic',
'void',
'serialize',
[(modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
w('serialize(entity, xsw, "{}");', tname)
with java.Method(w,
'\npublic',
'void',
'serialize',
[(modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw'),
('String', 'tag')],
throws=['XMLStreamException']):
with java.If(w, 'entity == null'):
w('return;')
w('xsw.writeStartElement(tag);', tname)
for wantAttrs in [True, False]:
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
method = java.CamelCase(jfname)
tref = datamodel.typeref(f, module)
type_ = tref[2]
if not type_:
continue
extra = ''
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
extra = XML_GEN_MAP[type_.primitive]
if type_.primitive == type_.DECIMAL:
for c in type_.constraint:
if c.scale:
access = 'round(entity.get{}(), {})'.format(
method, c.scale)
break
else:
access = 'round(entity.get{}(), 0)'.format(
method)
else:
access = 'entity.get{}()'.format(method)
elif which_type == 'enum':
access = 'entity.get{}().getValue()'.format(
method)
elif which_type == 'tuple':
access = 'entity.get{}()'.format(method)
else:
raise RuntimeError(
'Unexpected field type for XML export: ' +
which_type)
if wantAttrs == ('xml_attribute'
in syslx.patterns(f.attrs)):
if wantAttrs:
w('serializeAttr("{}", {}{}, xsw);',
jfname, access, extra)
else:
# TODO: Why is 'index' bad? (NB: This was a debug hook, but the author forgot why.)
assert jfname != 'index'
w('serializeField("{}", {}{}, xsw);',
jfname, access, extra)
w('xsw.writeEndElement();')
with java.Method(w,
'\npublic',
'void',
'serializeField',
[('String', 'fieldname'),
(modelpkg + '.' + tname + '.View', 'view'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
with java.If(w, 'view != null && !view.isEmpty()'):
w('serialize(view, xsw, fieldname);')
with java.Method(w,
'\npublic',
'void',
'serializeField',
[('String', 'fieldname'),
(modelpkg + '.' + tname, 'entity'),
('XMLStreamWriter', 'xsw')],
throws=['XMLStreamException']):
with java.If(w, 'entity != null'):
w('serialize(entity, xsw, fieldname);')
def serialize(t, access, extra_args=None):
with java.Method(
w,
'\nprivate',
'void',
'serialize',
([(t, 'value')] +
(extra_args or []) + [('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
w('xsw.writeCharacters({});', access)
serialize('String', 'value')
serialize('Boolean', 'value.toString()')
serialize('Integer', 'value.toString()')
serialize('Double', 'value.toString()')
serialize('BigDecimal', 'value.toString()')
serialize('UUID', 'value.toString()')
serialize('DateTime', 'fmt.print(value)',
[('DateTimeFormatter', 'fmt')])
serialize('LocalDate', 'iso8601Date.print(value)')
def serializeField(t, access, extra_args=None):
with java.Method(
w,
'\nprivate',
'void',
'serializeField',
([('String', 'fieldname'), (t, 'value')] +
(extra_args or []) + [('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
with java.If(w, 'value != null'):
w('xsw.writeStartElement(fieldname);')
w('serialize(value{}, xsw);',
''.join(', ' + arg for (_, arg) in extra_args or []))
w('xsw.writeEndElement();')
with java.Method(
w,
'\nprivate',
'void',
'serializeAttr',
([('String', 'fieldname'), (t, 'value')] +
(extra_args or []) + [('XMLStreamWriter', 'xsw')]),
throws=['XMLStreamException']):
with java.If(w, 'value != null'):
w('xsw.writeAttribute(fieldname, {});', access)
serializeField('String', 'value')
serializeField('Boolean', 'value.toString()')
serializeField('Integer', 'value.toString()')
serializeField('Double', 'value.toString()')
serializeField('BigDecimal', 'value.toString()')
serializeField('UUID', 'value.toString()')
serializeField('DateTime', 'fmt.print(value)',
[('DateTimeFormatter', 'fmt')])
serializeField('LocalDate', 'iso8601Date.print(value)')
with java.Method(w, '\nprivate final', 'BigDecimal', 'round',
[('BigDecimal', 'd'), ('int', 'scale')]):
w('return d == null ? d : '
'd.setScale(scale, java.math.RoundingMode.HALF_UP);')
w('\nprivate final DateTimeFormatter iso8601Date = '
'ISODateTimeFormat.date();')
w('private final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTime();')
def deserializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'javax.xml.stream.XMLStreamConstants')
java.Import(w, 'javax.xml.stream.XMLStreamException')
java.Import(w, 'javax.xml.stream.XMLStreamReader')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
model_name = model_class
modelpkg = package
with java.Class(w,
'\n{}XmlDeserializer'.format(model_class),
write_file,
package=package):
with java.Method(
w,
'public',
'void',
'deserialize', [(model_class, 'facade' if facade else 'model'),
('XMLStreamReader', 'xsr')],
throws=[model_name + 'Exception', 'XMLStreamException']):
if facade:
w('{} model = facade.getModel();', model_name)
w('expect(XMLStreamConstants.START_ELEMENT, xsr.next());')
with java.While(w,
'xsr.next() == XMLStreamConstants.START_ELEMENT'):
with java.Switch(w, 'xsr.getLocalName()'):
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
w(
'case "{0}List": deserialize(model.get{0}Table(), xsr); break;',
tname)
w(
'case "{0}": deserializeOne(model.get{0}Table(), xsr); break;',
tname)
w('default: skipElement(xsr);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());')
for (tname, ft, t) in syslx.sorted_types(context):
if not t.HasField('relation'):
continue
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
fkeys = {
java.name(fname): type_info
for (fname, _,
type_info) in datamodel.foreign_keys(t, context.module)
}
private_setters = pkey_fields | set(fkeys.iterkeys())
with java.Method(w,
'\nprivate',
'void',
'deserialize',
[(modelpkg + '.' + tname + '.Table', 'table'),
('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.While(
w, 'xsr.next() == XMLStreamConstants.START_ELEMENT'):
w('deserializeOne(table, xsr);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());'
)
with java.Method(w,
'\nprivate',
'void',
'deserializeOne',
[(modelpkg + '.' + tname + '.Table', 'table'),
('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
w('{0} entity = {0}._PRIVATE_new(table.model());',
modelpkg + '.' + tname)
with java.While(
w, 'xsr.next() == XMLStreamConstants.START_ELEMENT'):
with java.Switch(w, 'xsr.getLocalName()'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _, type_) = datamodel.typeref(f, module)
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
xmltype = XML_PARSE_MAP[type_.primitive]
if isinstance(xmltype, tuple):
(xmltype, extra) = xmltype
elif which_type == 'enum':
xmltype = 'IntValue'
extra = typename + '.from({})'
else:
raise RuntimeError(
'Unexpected field type for XML export: ' +
which_type)
private = '_PRIVATE_' if jfname in private_setters else ''
if type_.primitive in [
sysl_pb2.Type.DATE, sysl_pb2.Type.DATETIME
]:
w(
'case "{}": entity.{}set{}(read{}(xsr, {})); break;',
jfname, private, java.CamelCase(jfname),
typename, extra)
else:
w(
'case "{}": entity.{}set{}(read{}(xsr)); break;',
jfname, private, java.CamelCase(jfname),
typename)
w('default: skipField(xsr);')
w('table.insert(entity);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());'
)
with java.Method(w, '\nprivate', 'void', 'expect',
[('int', 'expected'), ('int', 'got')]):
with java.If(w, 'got != expected'):
w('System.err.printf(\v'
'"<<Unexpected token: %s (expecting %s)>>\\n", \v'
'tokenName(got), tokenName(expected));')
w('throw new {}Exception();', model_name)
with java.Method(w, '\nprivate', 'String', 'tokenName',
[('int', 'token')]):
with java.Switch(w, 'token'):
for tok in (
'ATTRIBUTE CDATA CHARACTERS COMMENT DTD END_DOCUMENT '
'END_ELEMENT ENTITY_DECLARATION ENTITY_REFERENCE NAMESPACE '
'NOTATION_DECLARATION PROCESSING_INSTRUCTION SPACE START_DOCUMENT '
'START_ELEMENT'.split()):
w('case XMLStreamConstants.{0}: return "{0}";', tok)
w('return new Integer(token).toString();')
def read(t, access, extra_args=None):
with java.Method(w,
'\nprivate',
t,
'read' + t, [('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('{} result = {};', t, access)
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
read('String', 'xsr.getText()')
read('Boolean', 'Boolean.parseBoolean(xsr.getText())')
read('Integer', 'Integer.parseInt(xsr.getText())')
read('Double', 'Double.parseDouble(xsr.getText())')
read('BigDecimal', 'new BigDecimal(xsr.getText())')
read('UUID', 'UUID.fromString(xsr.getText())')
with java.Method(w,
'\nprivate',
'DateTime',
'readDateTime', [('XMLStreamReader', 'xsr'),
('DateTimeFormatter', 'fmt')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('DateTime result = fmt.parseDateTime(xsr.getText());')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
with java.Method(w,
'\nprivate',
'LocalDate',
'readLocalDate', [('XMLStreamReader', 'xsr'),
('DateTimeFormatter', 'fmt')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('LocalDate result = fmt.parseLocalDate(xsr.getText());')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
with java.Method(w,
'\nprivate',
'void',
'skipField', [('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.If(w, 'getCharacters(xsr)'):
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
with java.Method(w,
'\nprivate',
'boolean',
'getCharacters', [('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
w('int tok = xsr.next();')
with java.If(w, 'tok == XMLStreamConstants.END_ELEMENT'):
w('return false;')
w('expect(XMLStreamConstants.CHARACTERS, tok);')
w('return true;')
with java.Method(w,
'\nprivate',
'void',
'skipElement', [('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.While(w, 'xsr.next() != XMLStreamConstants.END_ELEMENT'):
with java.If(
w,
'xsr.getEventType() == XMLStreamConstants.START_ELEMENT'
):
w('skipElement(xsr);')
# TODO: Is permissive dateTimeParser OK for date types?
w('\nprivate final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTimeParser();')
w()
def swagger_file(app, module, root_class, write_file):
def assign(root, path, value):
if value is not None:
for part in path[:-1]:
root = root.setdefault(part, {})
root[path[-1]] = value
return value
used_definitions = set()
used_models = set()
header = {}
assign(header, ['swagger'], '2.0')
paths = assign(header, ['paths'], {})
definitions = assign(header, ['definitions'], {})
for path in [['version'], ['title'], ['description'], ['contact', 'name'],
['contact', 'email']]:
assign(header, ['info'] + path,
syslx.View(app.attrs)['.'.join(path)].s)
assign(header, ['info', 'title'], app.long_name)
typerefs = set()
def swagger_type(t):
if t.WhichOneof('type') == 'set':
return {'type': 'array', 'items': swagger_type(t.set)}
# TODO: Probably should use datamodel.typeref
if t.WhichOneof('type') == 'type_ref':
# TODO: What is the impact of removing this?
#assert len(t.type_ref.ref.path) == 1
model = t.type_ref.ref.path[0]
if model in module.apps:
used_models.add(model)
return {'$ref': '#/definitions/' + model}
type_ = datamodel.typeref(t, module)[2]
if type_ is None:
return None
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
return TYPE_MAP[type_.primitive]
elif which_type == 'enum':
return {'type': 'number', 'format': 'integer'}
elif which_type in ['tuple', 'relation']:
deftype = '.'.join(t.type_ref.ref.path)
used_definitions.add(deftype)
return {'$ref': '#/definitions/' + deftype}
else:
# return {'type': 'sysl:' + type_.WhichOneof('type')}
raise RuntimeError('Unexpected field type for Swagger '
'export: ' + which_type)
for (epname, endpt) in (sorted(app.endpoints.iteritems(),
key=lambda t: t[0].lower())):
if not endpt.HasField('rest_params'):
continue
rp = endpt.rest_params
path = paths.setdefault(rp.path, {})
method = path.setdefault(
sysl_pb2.Endpoint.RestParams.Method.Name(rp.method).lower(), {})
params = method['parameters'] = []
for qp in rp.query_param:
assert qp.loc, 'missing QueryParam.loc'
params.append({
'name':
qp.name,
'in':
sysl_pb2.Endpoint.RestParams.QueryParam.Loc.Name(
qp.loc).lower(),
'required':
not qp.type.opt,
})
params[-1].update(TYPE_MAP[qp.type.primitive])
assign(method, ['description'], endpt.docstring)
for stmt in endpt.stmt:
if stmt.WhichOneof('stmt') == 'ret':
m = rex.match(
ur'''
(?:
(\d+)
(?:·\((.*?)\))?
(?:·:)?
(?:·<:(·set·of)?·([\w\.]+))?
(?:·or·{((?:\d+,)*\d+)})?
) | (?:
one•of·{((?:\d+·,·)*\d+·)}
)
$
''', stmt.ret.payload)
if m:
[status, descr, setof, type_, statuses,
statuses2] = m.groups()
resp = assign(method, ['responses', status], {})
assign(
resp, ['description'], descr or STATUS_MAP.get(
int(status or '0'), '(no description)'))
if type_:
schema = assign(resp, ['schema'], {})
if setof:
schema['type'] = 'array'
items = schema['items'] = {}
else:
items = schema
items['$ref'] = '#/definitions/' + type_
used_definitions.add(type_)
if statuses or statuses2:
for s in (statuses or statuses2).split(','):
assign(method, ['responses', s, 'description'],
STATUS_MAP[int(s)])
else:
print stmt.ret.payload
raise Exception('Bad return statement')
body = syslx.View(endpt.attrs)['body'].s
if body:
params.append({
'name': 'requestBody',
'in': 'body',
'required': True,
'schema': {
'$ref': '#/definitions/' + body
}
})
if body == 'PoOrder':
used_models.add(body)
else:
used_definitions.add(body)
used_defs2 = used_definitions.copy()
used_definitions.clear()
# Figure out which types are used
while True:
for (tname, t) in sorted(app.types.iteritems()):
if tname in used_defs2:
if t.WhichOneof('type') in ['relation', 'tuple']:
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
swagger_type(f)
used_definitions -= used_defs2
if not used_definitions:
break
used_defs2 |= used_definitions
for (tname, t) in sorted(app.types.iteritems()):
if tname not in used_defs2:
continue
if t.WhichOneof('type') in ['relation', 'tuple']:
properties = {}
definition = definitions[tname] = {'properties': properties}
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
jfname = java.name(fname)
properties[jfname] = swagger_type(f)
for modelname in used_models:
defn = definitions[modelname] = {}
props = defn['properties'] = {}
for (tname, t) in module.apps[modelname].types.iteritems():
props[tname] = {
'type': 'array',
'items': {
'$ref': '#/definitions/' + tname
}
}
# TODO: dedup with above logic
for (tname, t) in module.apps[modelname].types.iteritems():
if t.WhichOneof('type') in ['relation', 'tuple']:
properties = {}
definition = definitions[tname] = {'properties': properties}
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
jfname = java.name(fname)
(a, type_info, type_) = datamodel.typeref(f, module)
if type_info is None:
properties[jfname] = swagger_type(f)
else:
#assert type_.WhichOneof('type') == 'primitive'
properties[jfname] = swagger_type(type_)
write_file(yaml.dump(no_utf8(header)), root_class + '.swagger.yaml')
def deserializer(context):
(app, module, package, model_class, write_file, _, _) = context
facade = bool(context.wrapped_model)
w = writer.Writer('java')
java.Package(w, package)
java.StandardImports(w)
java.Import(w, 'javax.xml.stream.XMLStreamConstants')
java.Import(w, 'javax.xml.stream.XMLStreamException')
java.Import(w, 'javax.xml.stream.XMLStreamReader')
w.head()
java.Import(w, 'java.text.ParseException')
w.head()
java.Import(w, 'org.joda.time.format.DateTimeFormatter')
java.Import(w, 'org.joda.time.format.ISODateTimeFormat')
if facade:
model_name = syslx.fmt_app_name(context.wrapped_model.name)
modelpkg = syslx.View(context.wrapped_model.attrs)['package'].s
w.head()
java.Import(w, modelpkg + '.*')
else:
model_name = model_class
modelpkg = package
with java.Class(w, '\n{}XmlDeserializer'.format(model_class), write_file,
package=package):
with java.Method(w, 'public', 'void', 'deserialize',
[(model_class, 'facade' if facade else 'model'),
('XMLStreamReader', 'xsr')],
throws=[model_name + 'Exception', 'XMLStreamException']):
if facade:
w('{} model = facade.getModel();', model_name)
w('expect(XMLStreamConstants.START_ELEMENT, xsr.next());')
with java.While(w, 'xsr.next() == XMLStreamConstants.START_ELEMENT'):
with java.Switch(w, 'xsr.getLocalName()'):
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
w('case "{0}List": deserialize(model.get{0}Table(), xsr); break;',
tname)
w('case "{0}": deserializeOne(model.get{0}Table(), xsr); break;',
tname)
w('default: skipElement(xsr);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());')
for (tname, ft, t) in syslx.sorted_types(context):
if not t.HasField('relation'):
continue
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
fkeys = {
java.name(fname): type_info
for (fname, _, type_info) in datamodel.foreign_keys(t, context.module)}
private_setters = pkey_fields | set(fkeys.iterkeys())
with java.Method(w, '\nprivate', 'void', 'deserialize',
[(modelpkg + '.' + tname + '.Table', 'table'),
('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.While(w, 'xsr.next() == XMLStreamConstants.START_ELEMENT'):
w('deserializeOne(table, xsr);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());')
with java.Method(w, '\nprivate', 'void', 'deserializeOne',
[(modelpkg + '.' + tname + '.Table', 'table'),
('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
w('{0} entity = {0}._PRIVATE_new(table.model());',
modelpkg + '.' + tname)
with java.While(w, 'xsr.next() == XMLStreamConstants.START_ELEMENT'):
with java.Switch(w, 'xsr.getLocalName()'):
for (fname, f) in datamodel.sorted_fields(t):
jfname = java.name(fname)
(typename, _, type_) = datamodel.typeref(f, module)
extra = '{}'
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
xmltype = XML_PARSE_MAP[type_.primitive]
if isinstance(xmltype, tuple):
(xmltype, extra) = xmltype
elif which_type == 'enum':
xmltype = 'IntValue'
extra = typename + '.from({})'
else:
raise RuntimeError(
'Unexpected field type for XML export: ' + which_type)
private = '_PRIVATE_' if jfname in private_setters else ''
if type_.primitive in [
sysl_pb2.Type.DATE, sysl_pb2.Type.DATETIME]:
w('case "{}": entity.{}set{}(read{}(xsr, {})); break;',
jfname, private, java.CamelCase(jfname), typename, extra)
else:
w('case "{}": entity.{}set{}(read{}(xsr)); break;',
jfname, private, java.CamelCase(jfname), typename)
w('default: skipField(xsr);')
w('table.insert(entity);')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.getEventType());')
with java.Method(w, '\nprivate', 'void', 'expect',
[('int', 'expected'), ('int', 'got')]):
with java.If(w, 'got != expected'):
w('System.err.printf(\v'
'"<<Unexpected token: %s (expecting %s)>>\\n", \v'
'tokenName(got), tokenName(expected));')
w('throw new {}Exception();', model_name)
with java.Method(w, '\nprivate', 'String', 'tokenName', [('int', 'token')]):
with java.Switch(w, 'token'):
for tok in ('ATTRIBUTE CDATA CHARACTERS COMMENT DTD END_DOCUMENT '
'END_ELEMENT ENTITY_DECLARATION ENTITY_REFERENCE NAMESPACE '
'NOTATION_DECLARATION PROCESSING_INSTRUCTION SPACE START_DOCUMENT '
'START_ELEMENT'.split()):
w('case XMLStreamConstants.{0}: return "{0}";', tok)
w('return new Integer(token).toString();')
def read(t, access, extra_args=None):
with java.Method(w, '\nprivate', t, 'read' + t,
[('XMLStreamReader', 'xsr')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('{} result = {};', t, access)
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
read('String', 'xsr.getText()')
read('Boolean', 'Boolean.parseBoolean(xsr.getText())')
read('Integer', 'Integer.parseInt(xsr.getText())')
read('Double', 'Double.parseDouble(xsr.getText())')
read('BigDecimal', 'new BigDecimal(xsr.getText())')
read('UUID', 'UUID.fromString(xsr.getText())')
with java.Method(w, '\nprivate', 'DateTime', 'readDateTime',
[('XMLStreamReader', 'xsr'),
('DateTimeFormatter', 'fmt')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('DateTime result = fmt.parseDateTime(xsr.getText());')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
with java.Method(w, '\nprivate', 'LocalDate', 'readLocalDate',
[('XMLStreamReader', 'xsr'),
('DateTimeFormatter', 'fmt')],
throws=['XMLStreamException']):
with java.If(w, '!getCharacters(xsr)'):
w('return null;')
w('LocalDate result = fmt.parseLocalDate(xsr.getText());')
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
w('return result;')
with java.Method(w, '\nprivate', 'void', 'skipField',
[('XMLStreamReader', 'xsr')], throws=['XMLStreamException']):
with java.If(w, 'getCharacters(xsr)'):
w('expect(XMLStreamConstants.END_ELEMENT, xsr.next());')
with java.Method(w, '\nprivate', 'boolean', 'getCharacters',
[('XMLStreamReader', 'xsr')], throws=['XMLStreamException']):
w('int tok = xsr.next();')
with java.If(w, 'tok == XMLStreamConstants.END_ELEMENT'):
w('return false;')
w('expect(XMLStreamConstants.CHARACTERS, tok);')
w('return true;')
with java.Method(w, '\nprivate', 'void', 'skipElement',
[('XMLStreamReader', 'xsr')], throws=['XMLStreamException']):
with java.While(w, 'xsr.next() != XMLStreamConstants.END_ELEMENT'):
with java.If(w,
'xsr.getEventType() == XMLStreamConstants.START_ELEMENT'):
w('skipElement(xsr);')
# TODO: Is permissive dateTimeParser OK for date types?
w('\nprivate final DateTimeFormatter iso8601DateTime = '
'ISODateTimeFormat.dateTimeParser();')
w()
def swagger_file(app, module, root_class, write_file):
def assign(root, path, value):
if value is not None:
for part in path[:-1]:
root = root.setdefault(part, {})
root[path[-1]] = value
return value
used_definitions = set()
used_models = set()
header = {}
assign(header, ['swagger'], '2.0')
paths = assign(header, ['paths'], {})
definitions = assign(header, ['definitions'], {})
for path in [
['version'],
['title'],
['description'],
['contact', 'name'],
['contact', 'email']]:
assign(header, ['info'] + path,
syslx.View(app.attrs)['.'.join(path)].s)
assign(header, ['info', 'title'], app.long_name)
typerefs = set()
def swagger_type(t):
if t.WhichOneof('type') == 'set':
return {'type': 'array', 'items': swagger_type(t.set)}
# TODO: Probably should use datamodel.typeref
if t.WhichOneof('type') == 'type_ref':
# TODO: What is the impact of removing this?
#assert len(t.type_ref.ref.path) == 1
model = t.type_ref.ref.path[0]
if model in module.apps:
used_models.add(model)
return {'$ref': '#/definitions/' + model}
type_ = datamodel.typeref(t, module)[2]
if type_ is None:
return None
which_type = type_.WhichOneof('type')
if which_type == 'primitive':
return TYPE_MAP[type_.primitive]
elif which_type == 'enum':
return {'type': 'number', 'format': 'integer'}
elif which_type in ['tuple', 'relation']:
deftype = '.'.join(t.type_ref.ref.path)
used_definitions.add(deftype)
return {'$ref': '#/definitions/' + deftype}
else:
# return {'type': 'sysl:' + type_.WhichOneof('type')}
raise RuntimeError(
'Unexpected field type for Swagger '
'export: ' + which_type)
for (epname, endpt) in (
sorted(app.endpoints.iteritems(), key=lambda t: t[0].lower())):
if not endpt.HasField('rest_params'):
continue
rp = endpt.rest_params
path = paths.setdefault(rp.path, {})
method = path.setdefault(
sysl_pb2.Endpoint.RestParams.Method.Name(rp.method).lower(), {})
params = method['parameters'] = []
for qp in rp.query_param:
assert qp.loc, 'missing QueryParam.loc'
params.append({
'name': qp.name,
'in': sysl_pb2.Endpoint.RestParams.QueryParam.Loc.Name(qp.loc).lower(),
'required': not qp.type.opt,
})
params[-1].update(TYPE_MAP[qp.type.primitive])
assign(method, ['description'], endpt.docstring)
for stmt in endpt.stmt:
if stmt.WhichOneof('stmt') == 'ret':
m = rex.match(ur'''
(?:
(\d+)
(?:·\((.*?)\))?
(?:·:)?
(?:·<:(·set·of)?·([\w\.]+))?
(?:·or·{((?:\d+,)*\d+)})?
) | (?:
one•of·{((?:\d+·,·)*\d+·)}
)
$
''', stmt.ret.payload)
if m:
[status, descr, setof, type_, statuses, statuses2] = m.groups()
resp = assign(method, ['responses', status], {})
assign(resp, ['description'],
descr or STATUS_MAP.get(int(status or '0'), '(no description)'))
if type_:
schema = assign(resp, ['schema'], {})
if setof:
schema['type'] = 'array'
items = schema['items'] = {}
else:
items = schema
items['$ref'] = '#/definitions/' + type_
used_definitions.add(type_)
if statuses or statuses2:
for s in (statuses or statuses2).split(','):
assign(method, ['responses', s, 'description'],
STATUS_MAP[int(s)])
else:
print stmt.ret.payload
raise Exception('Bad return statement')
body = syslx.View(endpt.attrs)['body'].s
if body:
params.append({
'name': 'requestBody',
'in': 'body',
'required': True,
'schema': {'$ref': '#/definitions/' + body}
})
if body == 'PoOrder':
used_models.add(body)
else:
used_definitions.add(body)
used_defs2 = used_definitions.copy()
used_definitions.clear()
# Figure out which types are used
while True:
for (tname, t) in sorted(app.types.iteritems()):
if tname in used_defs2:
if t.WhichOneof('type') in ['relation', 'tuple']:
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
swagger_type(f)
used_definitions -= used_defs2
if not used_definitions:
break
used_defs2 |= used_definitions
for (tname, t) in sorted(app.types.iteritems()):
if tname not in used_defs2:
continue
if t.WhichOneof('type') in ['relation', 'tuple']:
properties = {}
definition = definitions[tname] = {
'properties': properties
}
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
jfname = java.name(fname)
properties[jfname] = swagger_type(f)
for modelname in used_models:
defn = definitions[modelname] = {}
props = defn['properties'] = {}
for (tname, t) in module.apps[modelname].types.iteritems():
props[tname] = {
'type': 'array',
'items': {'$ref': '#/definitions/' + tname}
}
# TODO: dedup with above logic
for (tname, t) in module.apps[modelname].types.iteritems():
if t.WhichOneof('type') in ['relation', 'tuple']:
properties = {}
definition = definitions[tname] = {
'properties': properties
}
entity = getattr(t, t.WhichOneof('type'))
for (fname, f) in entity.attr_defs.iteritems():
jfname = java.name(fname)
(a, type_info, type_) = datamodel.typeref(f, module)
if type_info is None:
properties[jfname] = swagger_type(f)
else:
#assert type_.WhichOneof('type') == 'primitive'
properties[jfname] = swagger_type(type_)
write_file(yaml.dump(no_utf8(header)), root_class + '.swagger.yaml')