/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.model.cmmn.impl;
import org.camunda.bpm.model.cmmn.Cmmn;
import org.camunda.bpm.model.cmmn.CmmnModelException;
import org.camunda.bpm.model.xml.ModelParseException;
import org.camunda.bpm.model.xml.ModelValidationException;
import org.camunda.bpm.model.xml.impl.ModelImpl;
import org.camunda.bpm.model.xml.impl.parser.AbstractModelParser;
import org.camunda.bpm.model.xml.impl.util.ReflectUtil;
import org.camunda.bpm.model.xml.instance.DomDocument;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.validation.SchemaFactory;
import java.io.InputStream;
import java.net.URL;
/**
* @author Roman Smirnov
*
*/
public class CmmnParser extends AbstractModelParser {
private static final String JAXP_SCHEMA_SOURCE = "http://java.sun.com/xml/jaxp/properties/schemaSource";
private static final String JAXP_SCHEMA_LANGUAGE = "http://java.sun.com/xml/jaxp/properties/schemaLanguage";
private static final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";
public CmmnParser() {
this.schemaFactory = SchemaFactory.newInstance(W3C_XML_SCHEMA);
URL cmmnSchema = ReflectUtil.getResource(CmmnModelConstants.CMMN_10_SCHEMA_LOCATION, CmmnParser.class.getClassLoader());
try {
this.schema = schemaFactory.newSchema(cmmnSchema);
} catch (SAXException e) {
throw new ModelValidationException("Unable to parse schema:" + cmmnSchema);
}
}
@Override
protected void configureFactory(DocumentBuilderFactory dbf) {
dbf.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);
dbf.setAttribute(JAXP_SCHEMA_SOURCE, ReflectUtil.getResource(CmmnModelConstants.CMMN_10_SCHEMA_LOCATION, CmmnParser.class.getClassLoader()).toString());
super.configureFactory(dbf);
}
@Override
protected CmmnModelInstanceImpl createModelInstance(DomDocument document) {
return new CmmnModelInstanceImpl((ModelImpl) Cmmn.INSTANCE.getCmmnModel(), Cmmn.INSTANCE.getCmmnModelBuilder(), document);
}
@Override
public CmmnModelInstanceImpl parseModelFromStream(InputStream inputStream) {
try {
return (CmmnModelInstanceImpl) super.parseModelFromStream(inputStream);
}
catch (ModelParseException e) {
throw new CmmnModelException("Unable to parse model", e);
}
}
@Override
public CmmnModelInstanceImpl getEmptyModel() {
return (CmmnModelInstanceImpl) super.getEmptyModel();
}
}