--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/wsplgen/JobExecutor.java	Fri Sep 02 13:12:05 2011 +0000
@@ -0,0 +1,96 @@
+package de.intevation.flys.wsplgen;
+
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.File;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.flys.artifacts.model.WSPLGENJob;
+
+
+public class JobExecutor {
+
+    public static final String WSPLGEN_PARAMETER_FILE =
+        "wsplgen.par";
+
+    public static final String WSPLGEN_BIN_PATH =
+        System.getProperty("wsplgen.bin.path");
+
+
+    private Logger logger = Logger.getLogger(JobExecutor.class);
+
+    private Process process;
+
+    protected WSPLGENJob job;
+
+    protected JobObserver observer;
+
+
+    public JobExecutor(WSPLGENJob job) {
+        this.job      = job;
+        this.observer = new JobObserver(job);
+    }
+
+
+    public void execute() {
+        File dir       = job.getWorkingDir();
+        File parameter = new File(dir, WSPLGEN_PARAMETER_FILE);
+
+        String[] args = new String[] {
+            WSPLGEN_BIN_PATH,
+            "-PAR=\"" + parameter.getAbsolutePath() + "\""
+        };
+
+        execute(args, dir, observer);
+    }
+
+
+    public void execute(String[] args, File dir, JobObserver observer) {
+        logger.info("Start JobExecutor for artifact: " + dir.getName());
+
+        String errorMsg = null;
+
+        try {
+            synchronized (this) {
+                process = Runtime.getRuntime().exec(args, null, dir);
+
+                InputStream out = process.getInputStream();
+                observer.setInputStream(out);
+
+                observer.start();
+
+                try {
+                    process.waitFor();
+                }
+                catch (InterruptedException ie) {
+                    logger.error("WSPLGEN job interrupted: " + ie.getMessage());
+                }
+
+                try {
+                    observer.join();
+                }
+                catch (InterruptedException iee) { /* do nothing */ }
+
+                logger.info("WSPLGEN exit value: " + process.exitValue());
+
+                return;
+            }
+        }
+        catch (SecurityException se) {
+            errorMsg = se.getMessage();
+        }
+        catch (IOException ioe) {
+            errorMsg = ioe.getMessage();
+        }
+        catch (NullPointerException npe) {
+            errorMsg = npe.getMessage();
+        }
+        catch (IndexOutOfBoundsException ioobe) {
+            errorMsg = ioobe.getMessage();
+        }
+
+        logger.error("An error occured while starting WSPLGEN: " + errorMsg);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :