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