Package org.w3c.tools.resources.upgrade

Source Code of org.w3c.tools.resources.upgrade.FrameArrayAttribute

// FrameArrayAttribute.java
// $Id: FrameArrayAttribute.java,v 1.4 2000/08/16 21:37:55 ylafon Exp $
// (c) COPYRIGHT MIT and INRIA, 1996.
// Please first read the full copyright statement in file COPYRIGHT.html

package org.w3c.tools.resources.upgrade ;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import org.w3c.tools.resources.ResourceFrame;
import org.w3c.tools.resources.UnknownFrame;

public class FrameArrayAttribute extends Attribute {

    public boolean checkValue(Object value) {
  return value instanceof ResourceFrame[];
    }

    public int getPickleLength(Object value) {
  throw new RuntimeException("unused for upgrade");
    }

    public void pickle(DataOutputStream out, Object obj)
  throws IOException
    {
  throw new RuntimeException("unused for upgrade");
    }

    public Object unpickle(DataInputStream in)
  throws IOException
    {
  int cnt = in.readInt();
  if ( cnt == 0 )
      return null;
  ResourceFrame frames[] = new ResourceFrame[cnt];
   for (int i = 0 ; i < cnt ; i++) {
      try {
    frames[i] = (ResourceFrame) Upgrader.readResource(in);
      } catch (UpgradeException ex) {
    frames[i] = new UnknownFrame();
      }
  }
  return frames;
    }

    public FrameArrayAttribute(String name, ResourceFrame def[],
                               Integer flags) {
  super(name, def, flags);
    }

}
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