Java tutorial
/** * 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.ibm.smartcloud.xml; import java.util.Map; import org.jclouds.http.functions.ParseSax; import org.jclouds.ibm.smartcloud.domain.Location; import org.jclouds.ibm.smartcloud.domain.Location.State; import org.xml.sax.Attributes; import org.xml.sax.SAXException; import com.google.common.collect.Maps; /** * @author Adrian Cole */ public class LocationHandler extends ParseSax.HandlerWithResult<Location> { private StringBuilder currentText = new StringBuilder(); private String id; private String name; private String description; private String location; private Map<String, Map<String, String>> capabilities = Maps.newLinkedHashMap(); private String capabilityName; private String capabilityKey; private Location loc; private State state; public Location getResult() { return loc; } @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { if (qName.equalsIgnoreCase("Capability")) { capabilityName = attributes.getValue(attributes.getIndex("id")); capabilities.put(capabilityName, Maps.<String, String>newLinkedHashMap()); } else if (qName.equalsIgnoreCase("Entry")) { capabilityKey = attributes.getValue(attributes.getIndex("key")); } } @Override public void endElement(String uri, String localName, String qName) throws SAXException { if (qName.equalsIgnoreCase("ID")) { id = currentText.toString().trim(); } else if (qName.equalsIgnoreCase("Name")) { name = currentText.toString().trim(); } else if (qName.equalsIgnoreCase("Description")) { description = currentText.toString().trim(); if (description.equals("")) description = null; } else if (qName.equalsIgnoreCase("State")) { state = State.fromValue(Integer.parseInt(currentText.toString().trim())); } else if (qName.equalsIgnoreCase("Value")) { capabilities.get(capabilityName).put(capabilityKey, currentText.toString().trim()); } else if (qName.equalsIgnoreCase("Location")) { if (currentText.toString().trim().equals("")) { this.loc = new Location(id, name, description, location, state, capabilities); id = null; name = null; description = null; location = null; state = null; capabilities = Maps.newLinkedHashMap(); capabilityKey = null; capabilityName = null; } else { location = currentText.toString().trim(); } } currentText = new StringBuilder(); } public void characters(char ch[], int start, int length) { currentText.append(ch, start, length); } }