/*
    *  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. 
   *  
   */
  package org.apache.directory.api.ldap.model.message;
  
  
  import java.util.Arrays;
  
  import org.apache.directory.api.util.Strings;
  
  
  /**
   * IntermediateResponse implementation
   * 
   * @author <a href="mailto:dev@directory.apache.org"> Apache Directory Project</a>
   */
  public class IntermediateResponseImpl extends AbstractResultResponse implements IntermediateResponse
  {
      static final long serialVersionUID = -6646752766410531060L;
  
      /** ResponseName for the intermediate response */
      protected String responseName;
  
      /** Response Value for the intermediate response */
      protected byte[] responseValue;
  
  
      /**
       * Creates a new IntermediateResponseImpl instance
       * @param id The request ID
       */
      public IntermediateResponseImpl( int id )
      {
          super( id, TYPE );
      }
  
  
      // ------------------------------------------------------------------------
      // IntermediateResponse Interface Method Implementations
      // ------------------------------------------------------------------------
  
      /**
       * Gets the reponseName specific encoded
       * 
       * @return the response value
       */
      @Override
      public byte[] getResponseValue()
      {
          if ( responseValue == null )
          {
              return null;
          }
  
          final byte[] copy = new byte[responseValue.length];
          System.arraycopy( responseValue, 0, copy, 0, responseValue.length );
          return copy;
      }
  
  
      /**
       * Sets the response value
       * 
       * @param value the response value.
       */
      @Override
      public void setResponseValue( byte[] value )
      {
          if ( value != null )
          {
              this.responseValue = new byte[value.length];
              System.arraycopy( value, 0, this.responseValue, 0, value.length );
          }
          else
          {
              this.responseValue = null;
          }
      }
  
  
      /**
       * Gets the OID uniquely identifying this Intermediate response (a.k.a. its
       * name).
      * 
      * @return the OID of the Intermediate response type.
      */
     @Override
     public String getResponseName()
     {
         return ( responseName == null ) ? "" : responseName;
     }
 
 
     /**
      * Sets the OID uniquely identifying this Intermediate response (a.k.a. its
      * name).
      * 
      * @param oid the OID of the Intermediate response type.
      */
     @Override
     public void setResponseName( String oid )
     {
         this.responseName = oid;
     }
 
 
     /**
      * {@inheritDoc}
      */
     @Override
     public int hashCode()
     {
         int hash = 37;
         if ( responseName != null )
         {
             hash = hash * 17 + responseName.hashCode();
         }
         if ( responseValue != null )
         {
             hash = hash * 17 + Arrays.hashCode( responseValue );
         }
         hash = hash * 17 + super.hashCode();
 
         return hash;
     }
 
 
     /**
      * Checks to see if an object equals this IntemediateResponse.
      * 
      * @param obj the object to be checked for equality
      * @return true if the obj equals this IntemediateResponse, false otherwise
      */
     @Override
     public boolean equals( Object obj )
     {
         if ( obj == this )
         {
             return true;
         }
 
         if ( !super.equals( obj ) )
         {
             return false;
         }
 
         if ( !( obj instanceof IntermediateResponse ) )
         {
             return false;
         }
 
         IntermediateResponse resp = ( IntermediateResponse ) obj;
 
         if ( ( responseName != null ) && ( resp.getResponseName() == null ) )
         {
             return false;
         }
 
         if ( ( responseName == null ) && ( resp.getResponseName() != null ) )
         {
             return false;
         }
 
         if ( ( responseName != null ) && ( resp.getResponseName() != null )
             && !responseName.equals( resp.getResponseName() ) )
         {
             return false;
         }
 
         if ( ( responseValue != null ) && ( resp.getResponseValue() == null ) )
         {
             return false;
         }
 
         if ( ( responseValue == null ) && ( resp.getResponseValue() != null ) )
         {
             return false;
         }
 
         return ( responseValue == null ) || ( resp.getResponseValue() == null )
         || Arrays.equals( responseValue, resp.getResponseValue() );
     }
 
 
     /**
      * Get a String representation of an IntermediateResponse
      * 
      * @return An IntermediateResponse String
      */
     @Override
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
 
         sb.append( "    Intermediate Response\n" );
 
         if ( responseName != null )
         {
             sb.append( "        Response name :'" ).append( responseName ).append( "'\n" );
         }
 
         if ( responseValue != null )
         {
             sb.append( "        ResponseValue :'" );
             sb.append( Strings.dumpBytes( responseValue ) );
             sb.append( "'\n" );
         }
 
         sb.append( super.toString() );
 
         return super.toString( sb.toString() );
     }
 }