ingo@1127: package de.intevation.flys.wsplgen;
ingo@1127: 
ingo@1127: import java.io.InputStream;
ingo@1127: import java.io.IOException;
ingo@1127: import java.io.File;
ingo@1127: 
ingo@1127: import org.apache.log4j.Logger;
ingo@1127: 
ingo@1128: import de.intevation.artifacts.CallContext;
ingo@1128: 
ingo@1127: import de.intevation.flys.artifacts.model.WSPLGENJob;
ingo@1127: 
ingo@1127: 
ingo@1127: public class JobExecutor {
ingo@1127: 
ingo@1127:     public static final String WSPLGEN_PARAMETER_FILE =
ingo@1127:         "wsplgen.par";
ingo@1127: 
ingo@1127:     public static final String WSPLGEN_BIN_PATH =
ingo@1127:         System.getProperty("wsplgen.bin.path");
ingo@1127: 
ingo@1127: 
ingo@1127:     private Logger logger = Logger.getLogger(JobExecutor.class);
ingo@1127: 
ingo@1127:     private Process process;
ingo@1127: 
ingo@1127:     protected WSPLGENJob job;
ingo@1127: 
ingo@1127:     protected JobObserver observer;
ingo@1127: 
ingo@1127: 
ingo@1127:     public JobExecutor(WSPLGENJob job) {
ingo@1127:         this.job      = job;
ingo@1127:         this.observer = new JobObserver(job);
ingo@1127:     }
ingo@1127: 
ingo@1127: 
ingo@1127:     public void execute() {
ingo@1127:         File dir       = job.getWorkingDir();
ingo@1127:         File parameter = new File(dir, WSPLGEN_PARAMETER_FILE);
ingo@1127: 
ingo@1127:         String[] args = new String[] {
ingo@1127:             WSPLGEN_BIN_PATH,
ingo@1127:             "-PAR=\"" + parameter.getAbsolutePath() + "\""
ingo@1127:         };
ingo@1127: 
ingo@1127:         execute(args, dir, observer);
ingo@1127:     }
ingo@1127: 
ingo@1127: 
ingo@1127:     public void execute(String[] args, File dir, JobObserver observer) {
ingo@1127:         logger.info("Start JobExecutor for artifact: " + dir.getName());
ingo@1127: 
ingo@1127:         String errorMsg = null;
ingo@1127: 
ingo@1127:         try {
ingo@1127:             synchronized (this) {
ingo@1127:                 process = Runtime.getRuntime().exec(args, null, dir);
ingo@1127: 
ingo@1127:                 InputStream out = process.getInputStream();
ingo@1127:                 observer.setInputStream(out);
ingo@1127: 
ingo@1127:                 observer.start();
ingo@1127: 
ingo@1127:                 try {
ingo@1127:                     process.waitFor();
ingo@1127:                 }
ingo@1127:                 catch (InterruptedException ie) {
ingo@1127:                     logger.error("WSPLGEN job interrupted: " + ie.getMessage());
ingo@1127:                 }
ingo@1127: 
ingo@1127:                 try {
ingo@1127:                     observer.join();
ingo@1127:                 }
ingo@1127:                 catch (InterruptedException iee) { /* do nothing */ }
ingo@1127: 
ingo@1128:                 job.getCallContext().afterBackground(CallContext.STORE);
ingo@1128: 
ingo@1127:                 logger.info("WSPLGEN exit value: " + process.exitValue());
ingo@1127: 
ingo@1127:                 return;
ingo@1127:             }
ingo@1127:         }
ingo@1127:         catch (SecurityException se) {
ingo@1128:             logger.error(se);
ingo@1127:         }
ingo@1127:         catch (IOException ioe) {
ingo@1128:             logger.error(ioe);
ingo@1127:         }
ingo@1127:         catch (NullPointerException npe) {
ingo@1128:             logger.error(npe, npe);
ingo@1127:         }
ingo@1127:         catch (IndexOutOfBoundsException ioobe) {
ingo@1128:             logger.error(ioobe, ioobe);
ingo@1127:         }
ingo@1127:     }
ingo@1127: }
ingo@1127: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :