def validateMetadataFile(self):
# check if metadata exists
if not self.checkMetadata():
return
# check matadata standard
standard = MetaInfoStandard.tryDetermineStandard(self.metaProvider)
if standard != MetaInfoStandard.FGDC:
QMessageBox.critical(
self.iface.mainWindow(),
QCoreApplication.translate("Metatools", "Metatools"),
QCoreApplication.translate(
"Metatools",
"Unsupported metadata standard! Only FGDC supported now!"))
return
from PyQt4.QtXmlPatterns import QXmlSchema, QXmlSchemaValidator
# TODO: validate metadata file
# setup xml schema
schema = QXmlSchema()
# setup handler
self.handler = ErrorHandler(
QCoreApplication.translate("Metatools", "Metadata is invalid"))
schema.setMessageHandler(self.handler)
# load schema from file
xsdFilePath = self.pluginPath + '/xsd/fgdc/fgdc-std-001-1998.xsd'
#if standard != MetaInfoStandard.FGDC:
# xsdFilePath = 'c:/xsd/gml/basicTypes.xsd' # gmd/gmd.xsd'
schemaUrl = QUrl(xsdFilePath)
loadResult = schema.load(schemaUrl)
if not loadResult or self.handler.errorOccured:
QMessageBox.critical(
self.iface.mainWindow(),
QCoreApplication.translate("Metatools", "Metatools"),
QCoreApplication.translate("Metatools",
"Schema for validate not loaded!"))
return
#setup validator
validator = QXmlSchemaValidator(schema)
validator.setMessageHandler(self.handler)
#validate
metadata = self.metaProvider.getMetadata().encode('utf-8')
if validator.validate(metadata):
QMessageBox.information(
self.iface.mainWindow(),
QCoreApplication.translate("Metatools", "Metatools"),
QCoreApplication.translate("Metatools", "Metadata is valid!"))
def check_xml_validity(self, xml):
message_handler = MessageHandler()
LOGGER.debug("checking phrasebook xml against %s" % STYLESHEET)
f = QtCore.QFile(STYLESHEET)
f.open(QtCore.QIODevice.ReadOnly)
schema = QXmlSchema()
schema.load(f)
validator = QXmlSchemaValidator(schema)
validator.setMessageHandler(message_handler)
result = validator.validate(self.text)
return result, message_handler
def check_validity(self, xml):
'''
check that the dom validates
'''
self.message_handler.reset()
LOGGER.debug("checking phrasebook xml against %s", STYLESHEET)
f = QtCore.QFile(STYLESHEET)
f.open(QtCore.QIODevice.ReadOnly)
schema = QXmlSchema()
schema.load(f)
validator = QXmlSchemaValidator(schema)
validator.setMessageHandler(self.message_handler)
result = validator.validate(xml)
if result:
LOGGER.debug("Feescale complies with stylesheet!")
else:
LOGGER.warning("Feescale does not comply with stylesheet %s" %
STYLESHEET)
return (result, self.message_handler.last_error)
