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ZipEntryKey.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.loader.zip;

import java.io.File;
import java.io.Serializable;
import java.net.URL;

import org.pentaho.reporting.libraries.resourceloader.ResourceData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKeyCreationException;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;

/**
 * An external zip key.
 *
 * @author Thomas Morgner
 */
00034 public class ZipEntryKey implements Serializable
{
  private ResourceData zipFile;
  private String entryName;

  public ZipEntryKey(final ResourceData zipFile,
                     final String entryName)
  {
    if (zipFile == null)
    {
      throw new NullPointerException();
    }
    if (entryName == null)
    {
      throw new NullPointerException();
    }
    this.zipFile = zipFile;
    this.entryName = entryName;
  }

  public ZipEntryKey(final ResourceManager manager,
                     final String zipFile,
                     final String entryName)
          throws ResourceKeyCreationException, ResourceLoadingException
  {
    if (zipFile == null)
    {
      throw new NullPointerException();
    }
    if (entryName == null)
    {
      throw new NullPointerException();
    }
    this.zipFile = manager.load(manager.createKey(zipFile));
    this.entryName = entryName;
  }


  public ZipEntryKey(final ResourceManager manager,
                     final URL zipFile,
                     final String entryName)
          throws ResourceKeyCreationException, ResourceLoadingException
  {
    if (zipFile == null)
    {
      throw new NullPointerException();
    }
    if (entryName == null)
    {
      throw new NullPointerException();
    }
    this.zipFile = manager.load(manager.createKey(zipFile));
    this.entryName = entryName;
  }

  public ZipEntryKey(final ResourceManager manager,
                     final File zipFile,
                     final String entryName)
          throws ResourceKeyCreationException, ResourceLoadingException
  {
    if (zipFile == null)
    {
      throw new NullPointerException();
    }
    if (entryName == null)
    {
      throw new NullPointerException();
    }
    this.zipFile = manager.load(manager.createKey(zipFile));
    this.entryName = entryName;
  }

  public ResourceData getZipFile()
  {
    return zipFile;
  }

  public String getEntryName()
  {
    return entryName;
  }

  public boolean equals(final Object o)
  {
    if (this == o)
    {
      return true;
    }
    if (o == null || getClass() != o.getClass())
    {
      return false;
    }

    final ZipEntryKey that = (ZipEntryKey) o;

    if (!entryName.equals(that.entryName))
    {
      return false;
    }
    if (!zipFile.getKey().equals(that.zipFile.getKey()))
    {
      return false;
    }

    return true;
  }

  public int hashCode()
  {
    int result = zipFile.getKey().hashCode();
    result = 29 * result + entryName.hashCode();
    return result;
  }
}

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