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GIFImageFactoryModule.java

/*
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright (c) 2006 - 2009 Pentaho Corporation and Contributors.  All rights reserved.
 */

package org.pentaho.reporting.libraries.resourceloader.factory.image;

import java.awt.Image;
import java.awt.Toolkit;

import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
import org.pentaho.reporting.libraries.resourceloader.SimpleResource;
import org.pentaho.reporting.libraries.resourceloader.factory.AbstractFactoryModule;

/**
 * Creation-Date: 05.04.2006, 17:35:12
 *
 * @author Thomas Morgner
 */
00036 public class GIFImageFactoryModule extends AbstractFactoryModule
{
  private static final int[] FINGERPRINT = {'G', 'I', 'F', '8'};
  private static final String[] MIMETYPES =
          {
                  "image/gif",
                  "image/x-xbitmap",
                  "image/gi_"
          };

  private static final String[] FILEEXTENSIONS =
          {
            ".gif"
          };

  public GIFImageFactoryModule()
  {
  }

  public int getHeaderFingerprintSize ()
  {
    return GIFImageFactoryModule.FINGERPRINT.length;
  }

  protected int[] getFingerPrint()
  {
    return GIFImageFactoryModule.FINGERPRINT;
  }

  protected String[] getMimeTypes()
  {
    return GIFImageFactoryModule.MIMETYPES;
  }

  protected String[] getFileExtensions()
  {
    return GIFImageFactoryModule.FILEEXTENSIONS;
  }

  public Resource create(final ResourceManager caller,
                         final ResourceData data,
                         final ResourceKey context)
          throws ResourceLoadingException
  {
    final long version = data.getVersion(caller);
    final Image image =
            Toolkit.getDefaultToolkit().createImage(data.getResource(caller));
    return new SimpleResource (data.getKey(), image, Image.class, version);
  }
}

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