/*
    *  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.dsmlv2.reponse;
  
  
  import org.apache.directory.api.asn1.util.Oid;
  import org.apache.directory.api.dsmlv2.ParserUtils;
  import org.apache.directory.api.ldap.codec.api.LdapApiService;
  import org.apache.directory.api.ldap.model.message.ExtendedResponse;
  import org.apache.directory.api.ldap.model.message.ExtendedResponseImpl;
  import org.apache.directory.api.ldap.model.message.MessageTypeEnum;
  import org.apache.directory.api.util.Strings;
  import org.dom4j.Element;
  import org.dom4j.Namespace;
  import org.dom4j.QName;
  import org.dom4j.tree.DefaultElement;
  
  
  /**
   * DSML Decorator for ExtendedResponse
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class ExtendedResponseDsml extends AbstractResultResponseDsml<ExtendedResponse>
      implements ExtendedResponse
  {
      private static final String EXTENDED_RESPONSE_TAG = "extendedResponse";
      private byte[] response;
  
  
      /**
       * Creates a new getDecoratedMessage() of ExtendedResponseDsml.
       */
      public ExtendedResponseDsml( LdapApiService codec )
      {
          super( codec, new ExtendedResponseImpl( "" ) );
      }
  
  
      /**
       * Creates a new getDecoratedMessage() of ExtendedResponseDsml.
       *
       * @param ldapMessage
       *      the message to decorate
       */
      public ExtendedResponseDsml( LdapApiService codec, ExtendedResponse ldapMessage )
      {
          super( codec, ldapMessage );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public MessageTypeEnum getType()
      {
          return getDecorated().getType();
      }
  
  
      /**
       * {@inheritDoc}
       */
      public Element toDsml( Element root )
      {
          Element element = null;
  
          if ( root != null )
          {
              element = root.addElement( EXTENDED_RESPONSE_TAG );
          }
          else
          {
              element = new DefaultElement( EXTENDED_RESPONSE_TAG );
          }
  
          ExtendedResponse extendedResponse = getDecorated();
  
          // LDAP Result
          LdapResultDsml ldapResultDsml = new LdapResultDsml( getCodecService(),
              getDecorated().getLdapResult(), getDecorated() );
          ldapResultDsml.toDsml( element );
 
         // ResponseName
         String responseName = extendedResponse.getResponseName();
         if ( responseName != null )
         {
             element.addElement( "responseName" ).addText( responseName );
         }
 
         // Response
         Object response = getResponseValue();
 
         if ( response != null )
         {
             if ( ParserUtils.needsBase64Encoding( response ) )
             {
                 Namespace xsdNamespace = new Namespace( ParserUtils.XSD, ParserUtils.XML_SCHEMA_URI );
                 Namespace xsiNamespace = new Namespace( ParserUtils.XSI, ParserUtils.XML_SCHEMA_INSTANCE_URI );
                 element.getDocument().getRootElement().add( xsdNamespace );
                 element.getDocument().getRootElement().add( xsiNamespace );
 
                 Element responseElement = element.addElement( "response" )
                     .addText( ParserUtils.base64Encode( response ) );
                 responseElement.addAttribute( new QName( "type", xsiNamespace ), ParserUtils.XSD + ":"
                     + ParserUtils.BASE64BINARY );
             }
             else
             {
                 element.addElement( "response" ).addText( Strings.utf8ToString( ( byte[] ) response ) );
             }
         }
 
         return element;
     }
 
 
     /**
      * {@inheritDoc}
      */
     public void setResponseName( String oid )
     {
         getDecorated().setResponseName( oid );
     }
 
 
     /**
      * Get the extended response name
      * 
      * @return Returns the name.
      */
     public String getResponseName()
     {
         return getDecorated().getResponseName();
     }
 
 
     /**
      * Set the extended response name
      * 
      * @param responseName The name to set.
      */
     public void setResponseName( Oid responseName )
     {
         getDecorated().setResponseName( responseName.toString() );
     }
 
 
     /**
      * Get the extended response
      * 
      * @return Returns the response.
      */
     public byte[] getResponseValue()
     {
         return this.response;
     }
 
 
     /**
      * Set the extended response
      * 
      * @param response The response to set.
      */
     public void setResponseValue( byte[] response )
     {
         this.response = response;
     }
 }