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r10grafparser.py
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r10grafparser.py
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# encoding: utf-8
import gvsig
from org.gvsig.fmap.geom.aggregate import MultiPolygon
from org.gvsig.scripting.app.extension import ScriptingUtils
from org.gvsig.fmap.geom import GeometryUtils
from org.xmlpull.v1 import XmlPullParser
from java.io import File
from org.xmlpull.v1 import XmlPullParserException
from org.xmlpull.v1 import XmlPullParserFactory
from java.io import File, FileInputStream
from org.gvsig.tools import ToolsLocator
class R10GrafParser(object):
def __init__(self, fname, skipEmptyGeometries):
self.fname = fname
self.skipEmptyGeometries = skipEmptyGeometries
self.xml = None
factory = XmlPullParserFactory.newInstance(ToolsLocator.getInstance().getXmlPullParserFactoryClassNames(),None)
self.parser = factory.newPullParser()
self.initValues()
def isDone(self):
return self.done
def open(self):
ScriptingUtils.log(ScriptingUtils.WARN, "Loading file xml "+ self.fname)
self.resource = FileInputStream(File(self.fname))
self.parser.setInput(self.resource, None);
ScriptingUtils.log(ScriptingUtils.WARN, "File loaded.")
self.initValues()
self.readInitValues()
def readInitValues(self):
self.parser.nextTag()
self.parser.require(XmlPullParser.START_TAG, None, "r10_graf")
self.parser.nextTag()
self.parser.require(XmlPullParser.START_TAG, "", "ca")
self.ca = self.parser.nextText()
self.parser.nextTag()
self.campana = self.parser.nextText()
self.parser.nextTag()
self.srid = self.parser.nextText()
self.parser.nextTag()
def readExpediente(self):
## Start with expediente
self.num_expediente = 0
self.parser.require(XmlPullParser.START_TAG, "", "expediente")
## Attributo del expediente -> num_expediente
for i in range(0, self.parser.getAttributeCount()):
name = self.parser.getAttributeName(i)
if name=="num_expediente":
self.num_expediente = self.parser.getAttributeValue(i)
self.parser.nextTag()
def rewind(self):
factory = XmlPullParserFactory.newInstance(ToolsLocator.getInstance().getXmlPullParserFactoryClassNames(),None)
self.parser = factory.newPullParser()
self.initValues()
self.open()
def initValues(self):
# Reset and init values
self.done = False
self.num_expediente = 0
self.num_parcela = 0
self.lin_codigo = 0
self.pr = 0
self.mu = 0
self.ag = 0
self.zo = 0
self.po = 0
self.pa = 0
self.re = 0
self.wkt = ""
def checkAndTransformWKT(self, wkt):
geom = None
if wkt!=None:
if "EMPTY" in wkt:
#ScriptingUtils.log(ScriptingUtils.WARN, "La geometria no es valida en %s:%s, el poligono esta vacio" % (self.num_expediente, self.num_parcela))
pass
else:
geom = GeometryUtils.createFrom(wkt, self.srid)
if geom!=None and not geom.isValid():
#status = geom.getValidationStatus()
#msg = status.getMessage()
#ScriptingUtils.log(ScriptingUtils.WARN, "La geometria no es valida en %s:%s, %s" % (self.num_expediente, self.num_parcela, msg))
geom = None
if geom!=None and not isinstance(geom,MultiPolygon):
geom = geom.toPolygons()
return geom
def read(self):
if self.isDone():
return None
self.next()
# skipEmptyGeometries: Search for geom
#if self.num_expediente == None:
# return None
geom = self.checkAndTransformWKT(self.wkt)
while geom==None and self.skipEmptyGeometries==True and not self.isDone():
self.next()
geom = self.checkAndTransformWKT(self.wkt)
if geom==None and self.skipEmptyGeometries==True:
return None
values = [
int(self.ca),
long(self.campana),
long(self.num_expediente),
int(self.num_parcela),
long(self.lin_codigo),
int(self.pr),
int(self.mu),
int(self.ag),
int(self.zo),
int(self.po),
int(self.pa),
int(self.re),
geom
]
return values
def next(self):
self.lin_codigo = 0
self.pr = 0
self.mu = 0
self.ag = 0
self.zo = 0
self.po = 0
self.pa = 0
self.re = 0
self.wkt = ""
if self.parser.getEventType() == XmlPullParser.END_TAG and self.parser.getName()=="r10_graf":
self.done = True
return None
if self.parser.getEventType() == XmlPullParser.START_TAG and self.parser.getName()=="expediente":
self.readExpediente()
if self.parser.getEventType() == XmlPullParser.START_TAG and self.parser.getName()=="parcela":
self.num_parcela = 0
for i in range(0, self.parser.getAttributeCount()):
name = self.parser.getAttributeName(i)
value = self.parser.getAttributeValue(i)
if name == "num_parcela":
self.num_parcela = value
self.parser.nextTag()
self.parser.require(XmlPullParser.START_TAG, "", "linea")
for i in range(0, self.parser.getAttributeCount()):
name = self.parser.getAttributeName(i)
value = self.parser.getAttributeValue(i)
if name == "lin_codigo":
self.lin_codigo = value
if name == "pr":
self.pr = value
if name == "mu":
self.mu = value
if name == "ag":
self.ag = value
if name == "zo":
self.zo = value
if name == "po":
self.po = value
if name == "pa":
self.pa = value
if name == "re":
self.re = value
self.parser.nextTag()
if self.parser.getName() == "wkt":
self.parser.require(XmlPullParser.START_TAG, "", "wkt")
self.wkt = self.parser.nextText()
self.parser.require(XmlPullParser.END_TAG, "", "wkt")
self.parser.nextTag()
self.parser.require(XmlPullParser.END_TAG, "", "linea")
self.parser.nextTag()
if self.parser.getEventType() == XmlPullParser.START_TAG and self.parser.getName()=="linea":
return
self.parser.require(XmlPullParser.END_TAG, "", "parcela")
self.parser.nextTag()
if self.parser.getEventType() == XmlPullParser.END_TAG and self.parser.getName()=="expediente":
self.parser.nextTag()
if self.parser.getEventType() == XmlPullParser.END_TAG and self.parser.getName()=="r10_graf":
self.done = True
return
return
def main():
#from r10grafreader import test, selfRegister, R10GrafReaderFactory
#selfRegister()
fname = "/home/osc/R10Graf/r10graf.xml"
fname = "/home/osc/R10Graf/BDA_R10_graf18_1728062018_001.xml"
fname = "/home/osc/R10Graf/r10withnones.xml"
#test(R10GrafReaderFactory(), fname)
# Uso del pull en java: DynclassImportHelper
# importDefinitions
parser = R10GrafParser(fname, True)
parser.open()
print "Values:", parser.read()
#print parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()
print "Values:", parser.read()