/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.jpdl.internal.activity;
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import java.util.List;
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import org.jbpm.jpdl.internal.xml.JpdlParser;
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import org.jbpm.pvm.internal.util.XmlUtil;
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import org.jbpm.pvm.internal.wire.descriptor.ArgDescriptor;
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import org.jbpm.pvm.internal.wire.descriptor.ObjectDescriptor;
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import org.jbpm.pvm.internal.wire.usercode.UserCodeReference;
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import org.jbpm.pvm.internal.wire.xml.WireParser;
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import org.jbpm.pvm.internal.xml.Parse;
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import org.w3c.dom.Element;
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/**
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* @author Tom Baeyens
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* @author Koen Aers
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*/
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public class JavaBinding extends JpdlBinding {
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public static final String TAG = "java";
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public JavaBinding() {
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super(TAG);
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}
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public Object parseJpdl(Element element, Parse parse, JpdlParser parser) {
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JavaActivity javaActivity = new JavaActivity();
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if (XmlUtil.attribute(element, "method", true, parse, null)!=null) {
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String jndiName = XmlUtil.attribute(element, "ejb-jndi-name", false, parse, null);
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if (jndiName != null) {
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parseEjbInvocation(javaActivity, element, parse, parser);
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} else {
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parseJavaInvocation(javaActivity, element, parse, parser);
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}
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}
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String variableName = XmlUtil.attribute(element, "var");
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javaActivity.setVariableName(variableName);
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return javaActivity;
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}
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private void parseEjbInvocation(JavaActivity javaActivity, Element element, Parse parse, JpdlParser parser) {
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javaActivity.setJndiName(XmlUtil.attribute(element, "ejb-jndi-name"));
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javaActivity.setMethodName(XmlUtil.attribute(element, "method"));
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List<Element> argElements = XmlUtil.elements(element, "arg");
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List<ArgDescriptor> argDescriptors = new WireParser().parseArgs(argElements, parse);
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javaActivity.setArgDescriptors(argDescriptors);
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}
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private void parseJavaInvocation(JavaActivity javaActivity, Element element, Parse parse, JpdlParser parser) {
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UserCodeReference invocationReference = parser.parseUserCodeReference(element, parse);
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javaActivity.setInvocationReference(invocationReference);
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ObjectDescriptor objectDescriptor = (ObjectDescriptor) invocationReference.getDescriptor();
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javaActivity.setArgDescriptors(objectDescriptor.getArgDescriptors());
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objectDescriptor.setArgDescriptors(null);
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javaActivity.setMethodName(objectDescriptor.getMethodName());
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objectDescriptor.setMethodName(null);
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}
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}
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