/*
    *  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.dsmlv2.ParserUtils;
  import org.apache.directory.api.ldap.codec.api.LdapApiService;
  import org.apache.directory.api.ldap.model.entry.Attribute;
  import org.apache.directory.api.ldap.model.entry.DefaultAttribute;
  import org.apache.directory.api.ldap.model.entry.Entry;
  import org.apache.directory.api.ldap.model.entry.Value;
  import org.apache.directory.api.ldap.model.exception.LdapException;
  import org.apache.directory.api.ldap.model.message.MessageTypeEnum;
  import org.apache.directory.api.ldap.model.message.SearchResultEntry;
  import org.apache.directory.api.ldap.model.message.SearchResultEntryImpl;
  import org.apache.directory.api.ldap.model.name.Dn;
  import org.dom4j.Document;
  import org.dom4j.Element;
  import org.dom4j.Namespace;
  import org.dom4j.QName;
  import org.dom4j.tree.DefaultElement;
  
  
  /**
   * DSML Decorator for SearchResultEntry
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class SearchResultEntryDsml
      extends AbstractResponseDsml<SearchResultEntry>
      implements SearchResultEntry
  {
  
      private static final String SEARCH_RESULT_ENTRY_TAG = "searchResultEntry";
  
      /** The current attribute being processed */
      private Attribute currentAttribute;
  
  
      /**
       * Creates a new getDecoratedMessage() of SearchResultEntryDsml.
       */
      public SearchResultEntryDsml( LdapApiService codec )
      {
          super( codec, new SearchResultEntryImpl() );
      }
  
  
      /**
       * Creates a new getDecoratedMessage() of SearchResultEntryDsml.
       *
       * @param ldapMessage
       *      the message to decorate
       */
      public SearchResultEntryDsml( LdapApiService codec, SearchResultEntry ldapMessage )
      {
          super( codec, ldapMessage );
      }
  
  
      public Attribute getCurrentAttribute()
      {
          return currentAttribute;
      }
  
  
      /**
       * Create a new attribute
       * 
       * @param type The attribute's type
       */
      public void addAttribute( String type ) throws LdapException
      {
          currentAttribute = new DefaultAttribute( type );
  
          getDecorated().getEntry().put( currentAttribute );
      }
  
  
      /**
       * Add a new value to the current attribute
       * 
      * @param value The added value
      */
     public void addAttributeValue( Object value ) throws LdapException
     {
         if ( value instanceof String )
         {
             currentAttribute.add( ( String ) value );
         }
         else
         {
             currentAttribute.add( ( byte[] ) value );
         }
     }
 
 
     /**
      * {@inheritDoc}
      */
     public MessageTypeEnum getType()
     {
         return getDecorated().getType();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public Element toDsml( Element root )
     {
         Element element = null;
 
         if ( root != null )
         {
             element = root.addElement( SEARCH_RESULT_ENTRY_TAG );
         }
         else
         {
             element = new DefaultElement( SEARCH_RESULT_ENTRY_TAG );
         }
 
         SearchResultEntry searchResultEntry = ( SearchResultEntry ) getDecorated();
         element.addAttribute( "dn", searchResultEntry.getObjectName().getName() );
 
         Entry entry = searchResultEntry.getEntry();
         for ( Attribute attribute : entry )
         {
 
             Element attributeElement = element.addElement( "attr" );
             attributeElement.addAttribute( "name", attribute.getUpId() );
 
             for ( Value<?> value : attribute )
             {
                 if ( ParserUtils.needsBase64Encoding( value.getValue() ) )
                 {
                     Namespace xsdNamespace = new Namespace( ParserUtils.XSD, ParserUtils.XML_SCHEMA_URI );
                     Namespace xsiNamespace = new Namespace( ParserUtils.XSI, ParserUtils.XML_SCHEMA_INSTANCE_URI );
                     Document doc = attributeElement.getDocument();
 
                     if ( doc != null )
                     {
                         Element docRoot = doc.getRootElement();
                         docRoot.add( xsdNamespace );
                         docRoot.add( xsiNamespace );
                     }
 
                     Element valueElement = attributeElement.addElement( "value" ).addText(
                         ParserUtils.base64Encode( value.getValue() ) );
                     valueElement.addAttribute( new QName( "type", xsiNamespace ), ParserUtils.XSD + ":"
                         + ParserUtils.BASE64BINARY );
                 }
                 else
                 {
                     attributeElement.addElement( "value" ).addText( value.getString() );
                 }
             }
         }
 
         return element;
     }
 
 
     /**
      * Get the entry Dn
      * 
      * @return Returns the objectName.
      */
     public Dn getObjectName()
     {
         return getDecorated().getObjectName();
     }
 
 
     /**
      * Set the entry Dn
      * 
      * @param objectName The objectName to set.
      */
     public void setObjectName( Dn objectName )
     {
         getDecorated().setObjectName( objectName );
     }
 
 
     /**
      * Get the entry.
      * 
      * @return Returns the entry.
      */
     public Entry getEntry()
     {
         return getDecorated().getEntry();
     }
 
 
     /**
      * Initialize the entry.
      * 
      * @param entry the entry
      */
     public void setEntry( Entry entry )
     {
         getDecorated().setEntry( entry );
     }
 }