/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 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;
    }

}
