| gvSIG desktop 1

/*

 *  $Id: ChmodInstallerListener.java,v 1.1 2006/06/14 07:29:07 cesar Exp $

 *  IzPack

 *  Copyright (C) 2004 Klaus Bartz

 *

 *  File :               ChmodInstallerListener.java

 *  Description :        Example for custom action for install time.

 *  Author's email :     klaus.bartz@coi.de

 *  Author's Website :   http://www.coi.de/

 *

 *  This program is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU General Public License

 *  as published by the Free Software Foundation; either version 2

 *  of the License, or any later version.

 *

 *  This program 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 General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */

package com.myCompany.tools.install.listener;

import java.io.File;

import java.io.IOException;

import com.izforge.izpack.PackFile;

import com.izforge.izpack.util.FileExecutor;

import com.izforge.izpack.event.SimpleInstallerListener;

import com.izforge.izpack.installer.InstallerException;

/**

 * <p>InstallerListener for file and directory permissions

 * on Unix.</p>

 *

 * @author  Klaus Bartz

 *

 */

public class ChmodInstallerListener extends SimpleInstallerListener

{

  /* (non-Javadoc)

   * @see com.izforge.izpack.installer.InstallerListener#isFileListener()

   */

  public boolean isFileListener()

  {

    // This is a file related listener.

    return true;

  }

  /* (non-Javadoc)

   * @see com.izforge.izpack.compiler.InstallerListener#handleFile(java.io.File, com.izforge.izpack.PackFile)

   */

  public void afterFile(File filePath, PackFile pf) throws Exception

  {

    if( pf.getAdditionals()  == null )  

      return;

    Object file = pf.getAdditionals().get("permission.file");

    int fileVal = -1;

    if( file != null && file instanceof Integer )

      fileVal = ((Integer) file).intValue();

    if( fileVal != -1)

      chmod(filePath, fileVal);

  }

  /* (non-Javadoc)

   * @see com.izforge.izpack.compiler.InstallerListener#handleDir(java.io.File, com.izforge.izpack.PackFile)

   */

  public void afterDir(File dirPath, PackFile pf) throws Exception

  {

    if( pf.getAdditionals() == null )  

      return;

    if( dirPath == null )

      return;

    Object dir = pf.getAdditionals().get("permission.dir");

    int dirVal = -1;

    if( dir != null &&dir instanceof Integer )

      dirVal = ((Integer) dir).intValue();

    if( dirVal != -1)

    {

      if( (dirVal & 0x000001C0) < 0x000001C0 )

        throw new InstallerException( "Bad owner permission for directory " 

          + dirPath.getAbsolutePath() +"; at installation time the owner needs full rights" );

      chmod(dirPath, dirVal);

    }

  }

  private void chmod(File path, int permissions) throws IOException

  {

    String pathSep = System.getProperty("path.separator");

    if(OsVersion.IS_WINDOWS)

    {

      throw new IOException("Sorry, chmod not supported yet on windows; use this class OS dependant.");

    }

    if( path == null )

    // Oops this is an error, but in this example we ignore it ...

      return;

    String permStr = Integer.toOctalString(permissions);

    String[] params = {"chmod", permStr, path.getAbsolutePath()};

    String[] output = new String[2];

    FileExecutor fe = new FileExecutor();

    fe.executeCommand(params, output);

  }

}