org.squale.welcom.outils.rsh.Impl.CmdRshClient.java Source code

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Here is the source code for org.squale.welcom.outils.rsh.Impl.CmdRshClient.java

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/**
 * Copyright (C) 2008-2010, Squale Project - http://www.squale.org
 *
 * This file is part of Squale.
 *
 * Squale is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 *
 * Squale 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 General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Squale.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
 * Cr le 8 oct. 04
 *
 * Pour changer le modle de ce fichier gnr, allez  :
 * Fentre&gt;Prfrences&gt;Java&gt;Gnration de code&gt;Code et commentaires
 */
package org.squale.welcom.outils.rsh.Impl;

import java.io.IOException;

import org.apache.commons.io.CopyUtils;
import org.apache.commons.io.IOUtils;
import org.squale.welcom.outils.rsh.RshClient;

/**
 * @author M327837 Simule du rsh
 */
public class CmdRshClient extends RshClient {
    /** programme rsh */
    private final static String RSH_FILE = "/bin/rsh";

    /** Valeur par defult de retour */
    private final static int DEFAULT_EXIT_VAL = 35;

    /** Commande */
    private String rshCmd = null;

    /**
     * @param serveur : Serveur poru le rsh
     * @param loginDistant : login distant
     * @param loginLocal : login local
     */
    public CmdRshClient(final String serveur, final String loginDistant, final String loginLocal) {
        super(serveur, loginDistant, loginLocal);
        rshCmd = RSH_FILE + " -l " + loginDistant + " " + serveur + " ";
    }

    /**
     * Retourne le resultat d'un commande Unix en rsh Attention : le buffer est limit a 1024.
     * 
     * @param cmd : Commande unix
     * @param buff : Ecrit dans l'entree standard le contenu
     * @throws IOException : Retourne le buffer rcp ou bien une erreur d'execution
     * @return resultat unix
     */
    public int executecmd(final String cmd, final byte buff[]) throws IOException {
        lastReturnStream = null;
        lastErrorStream = null;

        Process rsh = null;
        int exitVal = DEFAULT_EXIT_VAL;

        // Stocke ce que l'on a envoyer
        final String cmdsend = rshCmd + cmd;
        addMessage(cmdsend + "\n");

        try {
            rsh = Runtime.getRuntime().exec(cmdsend);

            // Si on a quelquechose dans le buffer
            if (buff != null) {
                CopyUtils.copy(buff, rsh.getOutputStream());
                addMessage(buff);
                rsh.getOutputStream().close();
            }

            exitVal = rsh.waitFor();

            if (rsh.getInputStream() != null) {
                lastReturnStream = IOUtils.toString(rsh.getInputStream());
                addMessage(lastReturnStream);
            }

            if (rsh.getErrorStream() != null) {
                lastErrorStream = IOUtils.toString(rsh.getErrorStream());

                if (lastErrorStream.length() > 0) {
                    addMessage(lastErrorStream);

                    return 1;
                }
            }
        } catch (final IOException ioe) {
            addMessage(ioe.getMessage());
            throw ioe;
        } catch (final InterruptedException e) {
            addMessage(e.getMessage());
            throw new IOException(e.getMessage());
        }

        if (exitVal == 0) {
            addMessage(">OK\n");
        }

        return exitVal;
    }
}