/**
Copyright (c) 2005-2010, Engineering Ingegneria Informatica s.p.a.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
* Neither the name of the Engineering Ingegneria Informatica s.p.a. nor the names of its contributors may
be used to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
**/
package it.eng.spagobi.engines.commonj.runtime;
import it.eng.spagobi.commons.constants.SpagoBIConstants;
import it.eng.spagobi.engines.commonj.exception.WorkExecutionException;
import it.eng.spagobi.engines.commonj.exception.WorkNotFoundException;
import it.eng.spagobi.engines.commonj.process.CmdExecWork;
import it.eng.spagobi.engines.commonj.process.SpagoBIWork;
import it.eng.spagobi.engines.commonj.utils.ProcessesStatusContainer;
import it.eng.spagobi.services.proxy.EventServiceProxy;
import it.eng.spagobi.utilities.DynamicClassLoader;
import it.eng.spagobi.utilities.engines.AuditServiceProxy;
import it.eng.spagobi.utilities.engines.EngineConstants;
import it.eng.spagobi.utilities.threadmanager.WorkManager;
import java.io.File;
import java.util.Iterator;
import java.util.Map;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
/**
* configurazione ....
* @author bernabei
*
*/
public class WorkConfiguration {
private WorksRepository worksRepository;
public static final String DEFAULT_CONTEXT = "Default";
private static transient Logger logger = Logger.getLogger(WorkConfiguration.class);
public WorkConfiguration(WorksRepository worksRepository) {
this.worksRepository = worksRepository;
}
/** This function prepare the execution of the new Process,
* builds Listener and work manager
* Loads work class
* Builds WorkCOntainer and adds it to Singleton class, from where will be retrieved by startWorkAction
*
* @param session
* @param work
* @param parameters
* @throws WorkNotFoundException
* @throws WorkExecutionException
*/
public void configure(HttpSession session, CommonjWork work, Map parameters, String documentUnique, boolean isLabel) throws WorkNotFoundException, WorkExecutionException {
logger.debug("IN");
File executableWorkDir;
ProcessesStatusContainer processesStatusContainer = ProcessesStatusContainer.getInstance();
try {
logger.debug("Starting configure method of work : " +
"name = [" + work.getWorkName() + "] ; " +
"to start class= [" + work.getClassName() + "] ; ");
executableWorkDir = worksRepository.getExecutableWorkDir(work);
if (!worksRepository.containsWork(work)) {
logger.error("work [" +
worksRepository.getRootDir().getPath()+"/"+work.getWorkName()+ "] not found in repository");
throw new WorkNotFoundException("work [" +
worksRepository.getRootDir().getPath()+"/"+work.getWorkName()+ "] not found in repository");
}
logger.debug("Work [" + work.getWorkName() +"] succesfully found in repository");
// load in memory all jars found in folder!
loadJars(work, executableWorkDir);
//String classToLoad="prova.Studente";
String classToLoad=work.getClassName();
WorkManager wm = new WorkManager();
logger.debug("work manager instanziated");
AuditServiceProxy auditServiceProxy=null;
Object auditO=parameters.get(EngineConstants.ENV_AUDIT_SERVICE_PROXY);
if(auditO!=null) auditServiceProxy=(AuditServiceProxy)auditO;
Object eventO=parameters.get(EngineConstants.ENV_EVENT_SERVICE_PROXY);
EventServiceProxy eventServiceProxy=null;
eventServiceProxy=(EventServiceProxy)eventO;
Object executionRoleO=parameters.get(SpagoBIConstants.EXECUTION_ROLE);
String executionRole=executionRoleO!=null ? executionRoleO.toString() : "";
// check if it is already in sessione means it is already running!!
CommonjWorkContainer container=new CommonjWorkContainer();
// no more used check in sesssion!
//boolean already=container.isInSession(documentId, session);
// if(already==false){
CommonjWorkListener listener = new CommonjWorkListener(auditServiceProxy, eventServiceProxy);
if (documentUnique!=null && isLabel) {
listener.setBiObjectLabel(documentUnique);
}
else if (documentUnique!=null && !isLabel) {
listener.setBiObjectID(documentUnique);
}
listener.setExecutionRole(executionRole);
listener.setWorkName(work.getWorkName());
listener.setWorkClass(work.getClassName());
logger.info("Class to run "+classToLoad);
logger.debug("listener ready");
Class clazz=null;
try {
clazz = Thread.currentThread().getContextClassLoader().loadClass(classToLoad);
} catch (ClassNotFoundException e) {
logger.debug("class loaded not foud...",e);
}
Object obj = clazz.newInstance();
logger.debug("class loaded "+classToLoad);
SpagoBIWork workToLaunch=null;
// class loaded could be instance of CmdExecWork o di Work, testa se � il primo, se no � l'altra
if (obj instanceof CmdExecWork) {
logger.debug("Class specified extends CmdExecWork");
workToLaunch = (CmdExecWork) obj;
workToLaunch.setPid(work.getPId());
((CmdExecWork)obj).setCommand(work.getCommand());
((CmdExecWork)obj).setCommandEnvironment(work.getCommand_environment());
((CmdExecWork)obj).setCmdParameters(work.getCmdParameters());
((CmdExecWork)obj).setClasspathParameters(work.getClasspathParameters());
workToLaunch.setAnalyticalParameters(work.getAnalyticalParameters());
workToLaunch.setSbiParameters(work.getSbiParametersMap());
if(isLabel) workToLaunch.setSbiLabel(documentUnique);
}
else
if (obj instanceof SpagoBIWork) {
logger.debug("Class specified extends Work");
workToLaunch=(SpagoBIWork)obj;
workToLaunch.setPid(work.getPId());
workToLaunch.setSbiParameters(work.getSbiParametersMap());
workToLaunch.setAnalyticalParameters(work.getAnalyticalParameters());
if(isLabel) workToLaunch.setSbiLabel(documentUnique);
}
else{
logger.error("Class you want to launch should extend SpagoBIWork or CmdExecWork");
return;
}
container.setPid(work.getPId());
container.setWork(workToLaunch);
container.setListener(listener);
container.setName(work.getWorkName());
container.setWm(wm);
//container.setInSession(documentId, session);
processesStatusContainer.getPidContainerMap().put(work.getPId(), container);
for (Iterator iterator = processesStatusContainer.getPidContainerMap().keySet().iterator(); iterator.hasNext();) {
String id = (String) iterator.next();
logger.debug("ID: "+id);
}
// }
// else{
// System.out.println("Work already running");
// logger.debug("Work already running");
// }
} catch (Throwable e) {
logger.error("An error occurred while starting up execution for work [" + work.getWorkName() + "]");
throw new WorkExecutionException("An error occurred while starting up execution for work [" + work.getWorkName() + "]", e);
}
}
/** Explores all jar files in directory workDir to load them
* TODO: extend to other types!
* @param work
* @param parameters
* @param workDir
*/
private void loadJars(CommonjWork work, File workDir) {
logger.debug("IN");
// pass all the .jar into the folder
File[] files = workDir.listFiles();
for (int i = 0; i < files.length; i++) {
File file=files[i];
String name=file.getName();
String ext = name.substring(name.lastIndexOf('.')+1, name.length());
if(ext.equalsIgnoreCase("jar")){
//updateCurrentClassLoader(file);
logger.debug("loading file "+file.getName());
ClassLoader previous = Thread.currentThread().getContextClassLoader();
DynamicClassLoader dcl = new DynamicClassLoader(file, previous);
Thread.currentThread().setContextClassLoader(dcl);
}
}
logger.debug("OUT");
}
}