source: greenstone3/trunk/src/java/org/greenstone/server/RunTarget.java@ 18690

package org.greenstone.server;

import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.greenstone.server.StreamGobbler;

import org.apache.log4j.*;

public abstract class RunTarget extends Thread 
{
    protected String targetCmd = "";
    protected static Logger logger = Logger.getLogger(RunTarget.class.getName());

    protected int state = -1; //success: 0 error: 1    
    public static int SUCCESS = 0;
    public static int FAILED  = 1; 

    protected String targetSuccess;
    protected String targetFailed;
    protected String targetFinished;

    public void run() 
    {
     
     try {
         state = -1;
         Runtime run = Runtime.getRuntime();

         String targetCmd = getTargetCmd();
         logger.info("Target: " + targetCmd);

             Process process = run.exec(targetCmd);
         BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
         String line = null;
             while (!(line = br.readLine()).startsWith(targetFinished)){
                 
         if (line.equals(targetSuccess)){
             state = 0;
         }
     
         if (line.equals(targetFailed)){
             state = 1; 
                  }
         logger.info(line);
         }    
     } catch (Exception e) {
         e.printStackTrace();
         logger.error(e);
         state = 1;
     } 
    }
  
    public int getTargetState()
    {
    return state;     
    }
    
    public abstract void setTargetCmd(String cmd);

    public String getTargetCmd() 
    {
    return this.targetCmd;
    }
}