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BundleCacheResourceWrapper.java

package org.pentaho.reporting.libraries.resourceloader.cache;

import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceException;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;

/**
 * Todo: Document me!
 * <p/>
 * Date: 07.10.2009
 * Time: 18:31:11
 *
 * @author Thomas Morgner.
 */
00016 public class BundleCacheResourceWrapper implements Resource
{
  private Resource parent;
  private ResourceKey outsideKey;

  public BundleCacheResourceWrapper(final Resource parent,
                                    final ResourceKey outsideKey)
  {
    this.parent = parent;
    this.outsideKey = outsideKey;
  }

  public Object getResource()
      throws ResourceException
  {
    return parent.getResource();
  }

  public Class getTargetType()
  {
    return parent.getTargetType();
  }

  public long getVersion(final ResourceKey key)
  {
    if (ObjectUtilities.equal(key, outsideKey))
    {
      return parent.getVersion(parent.getSource());
    }
    return parent.getVersion(key);
  }

00048   public ResourceKey[] getDependencies()
  {
    final ResourceKey[] resourceKeys = parent.getDependencies();
    final ResourceKey[] target = new ResourceKey[resourceKeys.length + 1];
    target[0] = parent.getSource();
    System.arraycopy(resourceKeys, 0, target, 1, resourceKeys.length);
    return target;
  }

  public ResourceKey getSource()
  {
    return outsideKey;
  }

  public boolean isTemporaryResult()
  {
    return parent.isTemporaryResult();
  }
}

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