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_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_relational_xsd():
# top level element contains all entities for
# relational schemas but will only contain the
# root entity for hierarchical
with xs('element', name=context.model_class):
with xs('complexType'):
with xs('sequence', minOccurs=1, maxOccurs=1):
# each "relation" is a list of things
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
xs('element/', name=tname + 'List', type=tname + 'List',
minOccurs=0)
# build keys and key refs
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
has_content = False
def xsd_key_header(msg):
w('{}', '<!-- ' + msg.center(55) + ' -->')
if pkey:
if not has_content:
has_content = True
w()
w(xsd_separator)
xsd_key_header(tname + ' keys')
with xs('key', name='key_' + tname):
xs('selector/',
xpath='./{0}List/{0}'.format(tname))
for f in sorted(pkey_fields):
xs('field/', xpath=f)
for (i, (fname, _, type_info)) in enumerate(sorted(
datamodel.foreign_keys(t, context.module))):
if not has_content:
has_content = True
w()
w(xsd_separator)
xsd_key_header(tname + ' keyrefs')
elif pkey and i == 0:
xsd_key_header('keyrefs')
fk_type = type_info.parent_path
fk_field = type_info.field
with xs('keyref',
name='keyref_{}_{}'.format(tname, fname),
refer='key_' + fk_type):
xs('selector/',
xpath='./{0}List/{0}'.format(tname))
xs('field/', xpath=fname)
if has_content:
w(xsd_separator)
w()
w()
# construct the entities
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
with xs('complexType', name=tname + 'List'):
with xs('sequence', maxOccurs='unbounded'):
with xs('element', name=tname):
with xs('complexType'):
with xs('all'):
for (fname, f) in sorted(
t.relation.attr_defs.iteritems()):
if 'xml_attribute' not in syslx.patterns(
f.attrs):
build_element(
fname, f, False, False)
# attributes second
for (fname, f) in sorted(
t.relation.attr_defs.iteritems()):
if 'xml_attribute' in syslx.patterns(
f.attrs):
build_element(fname, f, False, True)
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 build_relational_xsd():
# top level element contains all entities for
# relational schemas but will only contain the
# root entity for hierarchical
with xs('element', name=context.model_class):
with xs('complexType'):
with xs('sequence', minOccurs=1, maxOccurs=1):
# each "relation" is a list of things
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
xs('element/',
name=tname + 'List',
type=tname + 'List',
minOccurs=0)
# build keys and key refs
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
pkey = datamodel.primary_key_params(t, context.module)
pkey_fields = {f for (_, f, _) in pkey}
has_content = False
def xsd_key_header(msg):
w('{}', '<!-- ' + msg.center(55) + ' -->')
if pkey:
if not has_content:
has_content = True
w()
w(xsd_separator)
xsd_key_header(tname + ' keys')
with xs('key', name='key_' + tname):
xs('selector/',
xpath='./{0}List/{0}'.format(tname))
for f in sorted(pkey_fields):
xs('field/', xpath=f)
for (i, (fname, _, type_info)) in enumerate(
sorted(datamodel.foreign_keys(t, context.module))):
if not has_content:
has_content = True
w()
w(xsd_separator)
xsd_key_header(tname + ' keyrefs')
elif pkey and i == 0:
xsd_key_header('keyrefs')
fk_type = type_info.parent_path
fk_field = type_info.field
with xs('keyref',
name='keyref_{}_{}'.format(tname, fname),
refer='key_' + fk_type):
xs('selector/',
xpath='./{0}List/{0}'.format(tname))
xs('field/', xpath=fname)
if has_content:
w(xsd_separator)
w()
w()
# construct the entities
for (tname, ft, t) in syslx.sorted_types(context):
if t.HasField('relation'):
with xs('complexType', name=tname + 'List'):
with xs('sequence', maxOccurs='unbounded'):
with xs('element', name=tname):
with xs('complexType'):
with xs('all'):
for (fname, f) in sorted(
t.relation.attr_defs.iteritems()):
if 'xml_attribute' not in syslx.patterns(
f.attrs):
build_element(
fname, f, False, False)
# attributes second
for (fname, f) in sorted(
t.relation.attr_defs.iteritems()):
if 'xml_attribute' in syslx.patterns(
f.attrs):
build_element(fname, f, False, True)
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 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 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 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()