/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
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 *************************************************************/



package org.openoffice.setup.Util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Vector;

public class ExecuteProcess {
    
    private ExecuteProcess() {
    }

    static public int executeProcessReturnValue(String[] command) {
        // usage of String arrays because of blanks in pathes
        int returnValue = 0;

        try {
            Process p = Runtime.getRuntime().exec(command);
            p.waitFor();
            returnValue = p.exitValue();
        } catch ( IOException ioe ) {
            System.err.println("IOError:" + ioe );
        } catch ( InterruptedException ie ) {
            System.err.println("Interrupted Exception:" + ie );
        }

        return returnValue;
    }

    static public int executeProcessReturnVector(String[] command, Vector returnVector, Vector returnErrorVector) {
        // usage of String arrays because of blanks in pathes
        int returnValue = -3;
        
        try {
            Process p = Runtime.getRuntime().exec(command);
            
            BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
            BufferedReader errorIn = new BufferedReader(new InputStreamReader(p.getErrorStream()));
            for ( String s; ( s = in.readLine()) != null; ) {
                returnVector.add(s);
            }
            for ( String t; ( t = errorIn.readLine()) != null; ) {
                returnErrorVector.add(t);
            }

            p.waitFor();
            returnValue = p.exitValue();

        } catch ( InterruptedException ioe ) {
            System.err.println("Interrupted Exception Error: " + ioe );
        } catch ( IOException ioe ) {
            System.err.println("IOError: " + ioe );
        }
        
        return returnValue;
    }            

    static public int executeProcessReturnVectorEnv(String[] command, String[] envP, Vector returnVector, Vector returnErrorVector) {
        // usage of String arrays because of blanks in pathes
        int returnValue = -3;
        
        try {
            Process p = Runtime.getRuntime().exec(command, envP);

            // Solaris has to use the ErrorStream (do not log license texts), Linux the InputStream
            BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
            BufferedReader errorIn = new BufferedReader(new InputStreamReader(p.getErrorStream()));
            for ( String s; ( s = in.readLine()) != null; ) {
                returnVector.add(s);
            }
            for ( String t; ( t = errorIn.readLine()) != null; ) {
                returnErrorVector.add(t);
            }
            
            p.waitFor();
            returnValue = p.exitValue();
            
        } catch ( InterruptedException ioe ) {
            System.err.println("Interrupted Exception Error: " + ioe );
        } catch ( IOException ioe ) {
            System.err.println("IOError: " + ioe );
        }
        
        return returnValue;
    }

}