content: /*
   * 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.chemistry.opencmis.server.impl.endpoints;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.PrintWriter;
  import java.io.Reader;
  import java.net.URL;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.chemistry.opencmis.commons.endpoints.CmisEndpointsDocument;
  import org.apache.chemistry.opencmis.commons.impl.endpoints.CmisEndpointsDocumentHelper;
  import org.apache.chemistry.opencmis.commons.impl.json.parser.JSONParseException;
  
  /**
   * Serves the CMIS Endpoints Document.
   */
  public abstract class AbstractCmisEndpointsDocumentServlet extends HttpServlet {
  
      private static final long serialVersionUID = 1L;
  
      @Override
      protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  
          CmisEndpointsDocument doc = getCmisEndpointsDocument(req, resp);
          if (doc == null) {
              resp.sendError(HttpServletResponse.SC_NOT_FOUND, "CMIS Endpoints Document is not available!");
              return;
          }
  
          resp.setContentType("application/json; charset=UTF-8");
  
          PrintWriter pw = resp.getWriter();
          CmisEndpointsDocumentHelper.write(doc, pw);
      }
  
      /**
       * Returns a CMIS Endpoints Document.
       */
      public abstract CmisEndpointsDocument getCmisEndpointsDocument(HttpServletRequest req, HttpServletResponse resp)
              throws ServletException;
  
      public CmisEndpointsDocument readCmisEndpointsDocument(URL url) throws IOException, JSONParseException {
          return CmisEndpointsDocumentHelper.read(url);
      }
  
      public CmisEndpointsDocument readCmisEndpointsDocument(File file) throws IOException, JSONParseException {
          return CmisEndpointsDocumentHelper.read(file);
      }
  
      public CmisEndpointsDocument readCmisEndpointsDocument(InputStream in) throws IOException, JSONParseException {
          return CmisEndpointsDocumentHelper.read(in);
      }
  
      public CmisEndpointsDocument readCmisEndpointsDocument(Reader in) throws IOException, JSONParseException {
          return CmisEndpointsDocumentHelper.read(in);
      }
  
      public CmisEndpointsDocument readCmisEndpointsDocument(String in) throws JSONParseException {
          return CmisEndpointsDocumentHelper.read(in);
      }
  }
  