/**
    * 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.savvis.vpdc.xml;
  
  import static org.jclouds.util.SaxUtils.currentOrNull;
  import static org.jclouds.util.SaxUtils.equalsOrSuffix;
  
  import org.jclouds.http.functions.ParseSax;
  import org.jclouds.savvis.vpdc.domain.FirewallRule;
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  
  /**
   * @author Kedar Dave
   */
  public class FirewallRuleHandler extends ParseSax.HandlerWithResult<FirewallRule> {
     protected StringBuilder currentText = new StringBuilder();
     private FirewallRule.Builder builder = FirewallRule.builder();
  
     public FirewallRule getResult() {
        try {
           return builder.build();
        } finally {
           builder = FirewallRule.builder();
        }
     }
  
     public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
  
     }
  
     @Override
     public void endElement(String uri, String localName, String qName) throws SAXException {
        String current = currentOrNull(currentText);
        if (current != null) {
           if (equalsOrSuffix(qName, "Type")) {
              builder.firewallType(current);
           } else if (equalsOrSuffix(qName, "IsEnabled")) {
              builder.isEnabled(Boolean.parseBoolean(current));
           } else if (equalsOrSuffix(qName, "Source")) {
              builder.source(current);
           } else if (equalsOrSuffix(qName, "Destination")) {
              builder.destination(current);
           } else if (equalsOrSuffix(qName, "Port")) {
              builder.port(current);
           } else if (equalsOrSuffix(qName, "Policy")) {
              builder.policy(current);
           } else if (equalsOrSuffix(qName, "Description")) {
              builder.description(current);
           } else if (equalsOrSuffix(qName, "Log")) {
              builder.isLogged(Boolean.parseBoolean(current));
           } else if (equalsOrSuffix(qName, "Tcp")) {
              builder.protocol("Tcp");
           } else if (qName.contains("Udp") || qName.contains("udp")) {
              builder.protocol("Udp");
           } else if (qName.contains("Icmp") || qName.contains("icmp") || qName.contains("Ping")
                 || qName.contains("ping")) {
              builder.protocol("Icmp-ping");
           }
        }
        currentText = new StringBuilder();
     }
  
     @Override
     public void characters(char ch[], int start, int length) {
        currentText.append(ch, start, length);
     }
  
  }