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/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.debug.ui;

 
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.jdt.ui.ISharedImages;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;

public abstract class StorageEditorInput extends PlatformObject implements IStorageEditorInput {

  /**
   * Storage associated with this editor input
   */
  private IStorage fStorage;
  
  /**
   * Constructs an editor input on the given storage
   */
  public StorageEditorInput(IStorage storage) {
    fStorage = storage;
  }
  
  /**
   * @see IStorageEditorInput#getStorage()
   */
  public IStorage getStorage() {
    return fStorage;
  }

  /**
   * @see IEditorInput#getImageDescriptor()
   */
  public ImageDescriptor getImageDescriptor() {
    return JavaUI.getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJS_CUNIT);
  }

  /**
   * @see IEditorInput#getName()
   */
  public String getName() {
    return getStorage().getName();
  }

  /**
   * @see IEditorInput#getPersistable()
   */
  public IPersistableElement getPersistable() {
    return null;
  }

  /**
   * @see IEditorInput#getToolTipText()
   */
  public String getToolTipText() {
    return getStorage().getFullPath().toOSString();
  }
  
  /**
   * @see java.lang.Object#equals(java.lang.Object)
   */
  public boolean equals(Object object) {
    return object instanceof StorageEditorInput &&
     getStorage().equals(((StorageEditorInput)object).getStorage());
  }
  
  /**
   * @see java.lang.Object#hashCode()
   */
  public int hashCode() {
    return getStorage().hashCode();
  }

}
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