/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * 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.alfresco.web.templating.extension;

import org.alfresco.jndi.AVMFileDirContext;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import javax.servlet.ServletContext;
import java.io.IOException;
import java.util.Map;

public class ServletContextExtensionFunctionsAdapter
   extends ExtensionFunctions
{

   private final ServletContext servletContext;

   public ServletContextExtensionFunctionsAdapter(final ServletContext servletContext)
   {
      super(AVMFileDirContext.getAVMRemote());
      this.servletContext = servletContext;
   }

   private String toAVMPath(String path)
   {
      // The real_path will look somethign like this:
      //   /alfresco.avm/avm.alfresco.localhost/$-1$alfreco-guest-main:/appBase/avm_webapps/my_webapp
      path = this.servletContext.getRealPath(path);
      
      // The avm_path to the root of the context will look something like this:
      //    alfreco-guest-main:/appBase/avm_webapps/my_webapp
      path = path.substring(path.indexOf('$', path.indexOf('$') + 1)  + 1);
      path = path.replace('\\','/');
      return path;
   }

   public Document getXMLDocument(final String path)
      throws IOException,
      SAXException
   {
      return super.getXMLDocument(this.toAVMPath(path));
   }

   public Map<String, Document> getXMLDocuments(final String templateTypeName,
                                                final String path)
      throws IOException,
      SAXException
   {
      return super.getXMLDocuments(templateTypeName, this.toAVMPath(path));
   }
}