/*
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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.pvm.internal.cfg;
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import org.jbpm.pvm.internal.util.XmlUtil;
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import org.jbpm.pvm.internal.wire.WireDefinition;
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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.jbpm.pvm.internal.xml.Parser;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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/** parses the <code>jbpm-configuration</code>, which is assumed the document element
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* and can contain the {@link EnvironmentFactoryXmlParser process-engine}
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* context and the {@link EnvironmentXmlParser environment} context.
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*
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* See {@link Parser} for usage instructions.
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*
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* @author Tom Baeyens
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*/
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public class ConfigurationParser extends Parser {
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private static final long serialVersionUID = 1L;
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// private static Log log = Log.getLog(JbpmConfigurationParser.class.getName());
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Parser processEngineContextParser = new WireParser();
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Parser transactionContextParser = new WireParser();
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protected static ConfigurationParser INSTANCE = new ConfigurationParser();
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public static ConfigurationParser getInstance() {
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return INSTANCE;
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}
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public Object parseDocument(Document document, Parse parse) {
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Element documentElement = document.getDocumentElement();
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// if the default environment factory was already set in the parse
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ConfigurationImpl configuration = parse.contextStackFind(ConfigurationImpl.class);
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// this code will be called for the original jbpm.cfg.xml document as
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// well as for the imported documents. only one of those can specify
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// a spring-cfg. for sure no 2 config files can specify different jndi-names
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String spring = XmlUtil.attribute(documentElement, "spring");
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if ("enabled".equals(spring)) {
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configuration.springEnabled();
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}
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// this code will be called for the original jbpm.cfg.xml document as
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// well as for the imported documents. only one of those can specify
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// a jndi-name. for sure no 2 config files can specify different jndi-names
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String jndiName = XmlUtil.attribute(documentElement, "jndi-name");
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if (jndiName!=null) {
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if ( (configuration.getJndiName()!=null)
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&& (!jndiName.equals(configuration.getJndiName()))
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) {
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parse.addProblem("duplicate jndi name specification: "+jndiName+" != "+configuration.getJndiName());
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} else {
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configuration.jndi(jndiName);
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}
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}
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for (Element importElement : XmlUtil.elements(documentElement, "import")) {
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if (importElement.hasAttribute("resource")) {
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String resource = importElement.getAttribute("resource");
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Parse importParse = createParse()
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.setResource(resource)
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.contextStackPush(configuration)
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.propagateContexMap(parse)
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.execute();
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parse.addProblems(importParse.getProblems());
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}
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}
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Element processEngineElement = XmlUtil.element(documentElement, "process-engine-context");
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if (processEngineElement != null) {
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WireDefinition processEngineContextDefinition = configuration.getProcessEngineWireContext().getWireDefinition();
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parse.contextStackPush(processEngineContextDefinition);
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try {
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processEngineContextParser.parseDocumentElement(processEngineElement, parse);
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} finally {
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parse.contextStackPop();
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}
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}
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Element txCtxElement = XmlUtil.element(documentElement, "transaction-context");
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if (txCtxElement != null) {
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WireDefinition transactionContextDefinition = configuration.getTransactionWireDefinition();
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parse.contextStackPush(transactionContextDefinition);
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try {
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transactionContextParser.parseDocumentElement(txCtxElement, parse);
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} finally {
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parse.contextStackPop();
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}
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}
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parse.setDocumentObject(configuration);
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return configuration;
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}
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public Parser getProcessEngineContextParser() {
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return processEngineContextParser;
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}
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public void setProcessEngineContextParser(Parser applicationWireXmlParser) {
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this.processEngineContextParser = applicationWireXmlParser;
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}
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public Parser getTransactionContextParser() {
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return transactionContextParser;
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}
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public void setTransactionContextParser(Parser blockWireXmlParser) {
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this.transactionContextParser = blockWireXmlParser;
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}
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}
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