/*
* Copyright 2002-2005 the original author or authors.
*
* 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.springmodules.workflow.jbpm30.definition;
import java.io.InputStream;
import org.jbpm.graph.def.ProcessDefinition;
import org.springframework.beans.FatalBeanException;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.Resource;
/**
* FactoryBean used for loading ProcessDefinition using Spring Resource mechanism.
* <p/>
* @author Rob Harrop
* @author Costin Leau
*/
public class ProcessDefinitionFactoryBean implements FactoryBean, InitializingBean {
private ProcessDefinition processDefinition;
private Resource definitionLocation;
private boolean deployProcessDefinitionOnStartup;
public void setDefinitionLocation(Resource definitionLocation) {
this.definitionLocation = definitionLocation;
}
public void setDeployProcessDefinitionOnStartup(boolean deployProcessDefinitionOnStartup) {
this.deployProcessDefinitionOnStartup = deployProcessDefinitionOnStartup;
}
public void afterPropertiesSet() throws Exception {
if (this.definitionLocation == null) {
throw new FatalBeanException("Property [definitionLocation] of class [" +
ProcessDefinitionFactoryBean.class.getName() + "] is required.");
}
InputStream inputStream = null;
try {
inputStream = this.definitionLocation.getInputStream();
this.processDefinition = ProcessDefinition.parseXmlInputStream(inputStream);
} finally {
if (inputStream != null) {
inputStream.close();
}
}
}
public Object getObject() throws Exception {
return this.processDefinition;
}
public Class getObjectType() {
return (processDefinition == null) ? ProcessDefinition.class : processDefinition.getClass();
}
public boolean isSingleton() {
return true;
}
}