/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.env.xml;
import org.jbpm.env.impl.DefaultEnvironment;
import org.jbpm.env.impl.DefaultEnvironmentFactory;
import org.jbpm.wire.WireContext;
import org.jbpm.wire.WireDefinition;
import org.jbpm.wire.xml.WireParser;
import org.jbpm.xml.Parse;
import org.jbpm.xml.Parser;
import org.jbpm.xml.XmlUtil;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* @author Tom Baeyens
*/
public class EnvironmentParser extends Parser {
private static final long serialVersionUID = 1L;
WireParser applicationWireXmlParser = new EnvironmentApplicationXmlParser();
WireParser blockWireXmlParser = new EnvironmentBlockXmlParser();
public Object parseDocument(Document document, Parse parse) {
Element documentElement = document.getDocumentElement();
// if the default environment factory was already set in the parse
// (see also {@link DefaultEnvironmentFactory#DefaultEnvironmentFactory(String, ClassLoader)})
DefaultEnvironmentFactory defaultEnvironmentFactory = parse.findObject(DefaultEnvironmentFactory.class);
if (defaultEnvironmentFactory==null) {
defaultEnvironmentFactory = new DefaultEnvironmentFactory();
parse.pushObject(defaultEnvironmentFactory);
}
WireDefinition applicationWireDefinition = getApplicationWireDefinition(documentElement, parse);
WireDefinition blockWireDefinition = getBlockWireDefinition(documentElement, parse);
// create the application wire context from the definition
WireContext applicationWireContext = new WireContext(applicationWireDefinition, DefaultEnvironment.CONTEXTNAME_APPLICATION);
// propagate the parser classloader to the application context
applicationWireContext.setClassLoader(classLoader);
// configure the default environment factory
defaultEnvironmentFactory.setApplicationWireContext(applicationWireContext);
defaultEnvironmentFactory.setBlockWireDefinition(blockWireDefinition);
return defaultEnvironmentFactory;
}
WireDefinition getApplicationWireDefinition(Element documentElement, Parse parse) {
Element applicationElement = XmlUtil.element(documentElement, DefaultEnvironment.CONTEXTNAME_APPLICATION);
if (applicationElement != null) {
return (WireDefinition) applicationWireXmlParser.parseDocumentElement(applicationElement, parse);
}
return null;
}
WireDefinition getBlockWireDefinition(Element documentElement, Parse parse) {
Element blockElement = XmlUtil.element(documentElement, DefaultEnvironment.CONTEXTNAME_BLOCK);
if (blockElement != null) {
return (WireDefinition) blockWireXmlParser.parseDocumentElement(blockElement, parse);
}
return null;
}
public WireParser getApplicationWireXmlParser() {
return applicationWireXmlParser;
}
public void setApplicationWireXmlParser(WireParser applicationWireXmlParser) {
this.applicationWireXmlParser = applicationWireXmlParser;
}
public WireParser getBlockWireXmlParser() {
return blockWireXmlParser;
}
public void setBlockWireXmlParser(WireParser blockWireXmlParser) {
this.blockWireXmlParser = blockWireXmlParser;
}
}