package org.apache.maven.scm.provider.accurev;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import java.io.File;
  
  /**
   * 
   */
  public class FileDifference
  {
  
      private String oldVersionSpec = null;
  
      private File oldFile = null;
  
      private String newVersionSpec = null;
  
      private File newFile = null;
  
      private long elementId = -1;
  
      public FileDifference( long elementId, String newPath, String newVersion, String oldPath, String oldVersion )
      {
          setElementId( elementId );
          setNewVersion( newPath, newVersion );
          setOldVersion( oldPath, oldVersion );
      }
  
      public FileDifference()
      {
  
      }
  
      public String getOldVersionSpec()
      {
          return oldVersionSpec;
      }
  
      public File getOldFile()
      {
          return oldFile;
      }
  
      public String getNewVersionSpec()
      {
          return newVersionSpec;
      }
  
      public File getNewFile()
      {
          return newFile;
      }
  
      public long getElementId()
      {
          return elementId;
      }
  
      public void setElementId( long elementId )
      {
          this.elementId = elementId;
      }
  
      public void setNewVersion( String path, String version )
      {
  
          this.newFile =
              ( oldFile != null && oldFile.getPath().equals( path ) ) ? oldFile : path == null ? null : new File( path );
          this.newVersionSpec = version;
  
      }
  
      public void setOldVersion( String path, String version )
      {
  
          this.oldFile =
              ( newFile != null && newFile.getPath().equals( path ) ) ? newFile : path == null ? null : new File( path );
          this.oldVersionSpec = version;
  
      }
  
     @Override
     public String toString()
     {
         return "FileDifference [elementId=" + elementId + ", newFile=" + newFile + ", newVersionSpec=" + newVersionSpec
             + ", oldFile=" + oldFile + ", oldVersionSpec=" + oldVersionSpec + "]";
     }
 
     @Override
     public int hashCode()
     {
         final int prime = 31;
         int result = 1;
         result = prime * result + (int) ( elementId ^ ( elementId >>> 32 ) );
         result = prime * result + ( ( newFile == null ) ? 0 : newFile.hashCode() );
         result = prime * result + ( ( newVersionSpec == null ) ? 0 : newVersionSpec.hashCode() );
         result = prime * result + ( ( oldFile == null ) ? 0 : oldFile.hashCode() );
         result = prime * result + ( ( oldVersionSpec == null ) ? 0 : oldVersionSpec.hashCode() );
         return result;
     }
 
     @Override
     public boolean equals( Object obj )
     {
         if ( this == obj )
         {
             return true;
         }
         if ( obj == null )
         {
             return false;
         }
         if ( getClass() != obj.getClass() )
         {
             return false;
         }
         FileDifference other = (FileDifference) obj;
         if ( elementId != other.elementId )
         {
             return false;
         }
         if ( newFile == null )
         {
             if ( other.newFile != null )
             {
                 return false;
             }
         }
         else if ( !newFile.equals( other.newFile ) )
         {
             return false;
         }
         if ( newVersionSpec == null )
         {
             if ( other.newVersionSpec != null )
             {
                 return false;
             }
         }
         else if ( !newVersionSpec.equals( other.newVersionSpec ) )
         {
             return false;
         }
         if ( oldFile == null )
         {
             if ( other.oldFile != null )
             {
                 return false;
             }
         }
         else if ( !oldFile.equals( other.oldFile ) )
         {
             return false;
         }
         if ( oldVersionSpec == null )
         {
             if ( other.oldVersionSpec != null )
             {
                 return false;
             }
         }
         else if ( !oldVersionSpec.equals( other.oldVersionSpec ) )
         {
             return false;
         }
         return true;
     }
 
 }