common/trmk/src/main/java/org/jclouds/trmk/vcloud_0_8/xml/NodeHandler.java

/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.trmk.vcloud_0_8.xml;

import java.net.URI;

import javax.annotation.Resource;

import org.jclouds.http.functions.ParseSax.HandlerWithResult;
import org.jclouds.logging.Logger;
import org.jclouds.trmk.vcloud_0_8.domain.Node;

/**
 * @author Adrian Cole
 */
public class NodeHandler extends HandlerWithResult<Node> {

   @Resource
   protected Logger logger = Logger.NULL;
   private StringBuilder currentText = new StringBuilder();

   private URI location;
   private String serviceName;
   private String address;
   private int port;
   private String description;
   private boolean enabled;

   protected String currentOrNull() {
      String returnVal = currentText.toString().trim();
      return returnVal.equals("") ? null : returnVal;
   }

   @Override
   public Node getResult() {
      return new Node(serviceName, location, address, port, enabled, description);
   }

   public void endElement(String uri, String name, String qName) {
      String current = currentOrNull();
      if (current != null) {
         if (qName.equals("Href")) {
            location = URI.create(current);
         } else if (qName.equals("Name")) {
            serviceName = current;
         } else if (qName.equals("Port")) {
            port = Integer.parseInt(current);
         } else if (qName.equals("Enabled")) {
            enabled = Boolean.parseBoolean(current);
         } else if (qName.equals("IpAddress")) {
            address = current;
         } else if (qName.equals("Description")) {
            description = current;
         }
      }
      currentText = new StringBuilder();
   }

   public void characters(char ch[], int start, int length) {
      currentText.append(ch, start, length);
   }

}