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/*
 * Copyright (c) 2007, intarsys consulting GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * - Neither the name of intarsys nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package de.intarsys.pdf.pd;

import de.intarsys.pdf.cos.COSDictionary;
import de.intarsys.pdf.cos.COSName;
import de.intarsys.pdf.cos.COSObject;
import de.intarsys.pdf.cos.COSStream;
import de.intarsys.pdf.filter.Filter;

/**
 * An embedding of another file (and optional content) within the PDF.
 * 
 */
public class PDEmbeddedFile extends PDObject {
  /**
   * The meta class implementation
   */
  static public class MetaClass extends PDObject.MetaClass {
    protected MetaClass(Class instanceClass) {
      super(instanceClass);
    }

    protected COSObject doCreateCOSObject() {
      return COSStream.create(null);
    }
  }

  /** The meta class instance */
  static public final MetaClass META = new MetaClass(MetaClass.class
      .getDeclaringClass());

  static public final COSName CN_Type_EmbeddedFile = COSName
      .constant("EmbeddedFile"); //

  protected PDEmbeddedFile(COSObject object) {
    super(object);
  }

  /*
   * (non-Javadoc)
   * 
   * @see de.intarsys.pdf.pd.PDObject#cosGetExpectedType()
   */
  protected COSName cosGetExpectedType() {
    return CN_Type_EmbeddedFile;
  }

  /*
   * (non-Javadoc)
   * 
   * @see de.intarsys.pdf.cos.COSBasedObject#cosGetDict()
   */
  public COSDictionary cosGetDict() {
    return cosGetStream().getDict();
  }

  /**
   * get the data representing the XObject
   * 
   * @return get the data representing the XObject
   */
  public byte[] getBytes() {
    return cosGetStream().getDecodedBytes();
  }

  /**
   * set the data representing the XObject
   * 
   * @param bytes
   *            the data representing the XObject
   */
  public void setBytes(byte[] bytes) {
    cosGetStream().setDecodedBytes(bytes);
  }

  /*
   * (non-Javadoc)
   * 
   * @see de.intarsys.pdf.pd.PDSubtypedObject#initializeFromScratch()
   */
  protected void initializeFromScratch() {
    super.initializeFromScratch();
    cosGetStream().addFilter(Filter.CN_Filter_FlateDecode);
  }
}
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