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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [javax/] [crypto/] [keyring/] [BinaryDataEntry.java] - Rev 769

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/* BinaryDataEntry.java --
   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
 
This file is a part of GNU Classpath.
 
GNU Classpath 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 (at
your option) any later version.
 
GNU Classpath 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 GNU Classpath; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version.  */
 
 
package gnu.javax.crypto.keyring;
 
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Date;
 
/**
 * A binary data entry is a primitive entry that simply contains some amount of
 * arbitrary binary data and an optional content type.
 */
public class BinaryDataEntry
    extends PrimitiveEntry
{
  public static final int TYPE = 9;
 
  /**
   * Creates a new binary data entry.
   *
   * @param contentType The content type of this entry. This parameter can be
   *          <code>null</code> if no content type is needed.
   * @param data The data.
   * @param creationDate The creation date.
   * @param properties This entry's properties.
   */
  public BinaryDataEntry(String contentType, byte[] data, Date creationDate,
                         Properties properties)
  {
    super(TYPE, creationDate, properties);
    if (data == null)
      throw new IllegalArgumentException("no data");
    payload = (byte[]) data.clone();
    if (contentType != null)
      this.properties.put("content-type", contentType);
  }
 
  private BinaryDataEntry()
  {
    super(TYPE);
  }
 
  public static BinaryDataEntry decode(DataInputStream in) throws IOException
  {
    BinaryDataEntry entry = new BinaryDataEntry();
    entry.defaultDecode(in);
    return entry;
  }
 
  /**
   * Returns the content type of this entry, or <code>null</code> if this
   * property is not set.
   *
   * @return The content type.
   */
  public String getContentType()
  {
    return properties.get("content-type");
  }
 
  /**
   * Returns this object's data field.
   *
   * @return The data.
   */
  public byte[] getData()
  {
    return getPayload();
  }
 
  protected void encodePayload()
  {
    // Empty.
  }
}
 

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