/*
    * 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.myfaces.commons.resourcehandler.resource;
  
  /**
   * Contains the metadata information to reference a resource 
   * 
   * @author Leonardo Uribe (latest modification by $Author: lu4242 $)
   * @version $Revision: 700544 $ $Date: 2008-09-30 13:44:02 -0500 (Mar, 30 Sep 2008) $
   */
  public class AliasResourceMetaImpl extends ResourceMetaImpl
  {
      private String _realResourceName;
      
      private boolean _couldContainValueExpressions;
  
      public AliasResourceMetaImpl(String prefix, String libraryName, String libraryVersion,
              String resourceName, String resourceVersion, String realResourceName, boolean couldContainValueExpressions)
      {
          super(prefix, libraryName, libraryVersion,
              resourceName, resourceVersion);
          _realResourceName = realResourceName;
          _couldContainValueExpressions = couldContainValueExpressions;
      }
      
      public String getRealResourceName()
      {
          return _realResourceName;
      }
  
      public void setRealResourceName(String realResourceName)
      {
          _realResourceName = realResourceName;
      }
      
      @Override
      public String getResourceIdentifier()
      {
          StringBuilder builder = new StringBuilder();
          boolean firstSlashAdded = false;
          if (getLocalePrefix() != null && getLocalePrefix().length() > 0)
          {
              builder.append(getLocalePrefix());
              firstSlashAdded = true;
          }
          if (getLibraryName() != null)
          {
              if (firstSlashAdded) builder.append('/');
              builder.append(getLibraryName());
              firstSlashAdded = true;
          }
          if (getLibraryVersion() != null)
          {
              if (firstSlashAdded) builder.append('/');
              builder.append(getLibraryVersion());
              firstSlashAdded = true;
          }
          if (getRealResourceName() != null)
          {
              if (firstSlashAdded) builder.append('/');
              builder.append(getRealResourceName());
              firstSlashAdded = true;
          }
          if (getResourceVersion() != null)
          {
              if (firstSlashAdded) builder.append('/');
              builder.append(getResourceVersion());
              builder.append(
                      getRealResourceName().substring(getRealResourceName().lastIndexOf('.')));
              firstSlashAdded = true;
          }
          return builder.toString();
      }
  
      @Override
      public boolean couldResourceContainValueExpressions()
      {
          return _couldContainValueExpressions;
      }
  }