Java tutorial
/* * ======================================================================== * * Copyright 2005 Tim O'Brien. * * Licensed 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 com.discursive.jccook.xml.jxpath; import org.apache.commons.jxpath.JXPathContext; public class TeamExample { public static void main(String[] args) throws Exception { new TeamExample().start(); } public void start() throws Exception { League league = new League(); Team team = new Team(); league.getTeams().add(team); Person coach = new Person(); coach.setFirstName("Coach Bob"); team.setCoach(coach); Person player1 = new Person(); player1.setFirstName("Player Charlie"); team.getPlayers().add(player1); Person player2 = new Person(); player2.setFirstName("Player Ted"); team.getPlayers().add(player2); Person player3 = new Person(); player3.setFirstName("Player Bart"); team.getPlayers().add(player3); Team team2 = new Team(); league.getTeams().add(team2); Person coach2 = new Person(); coach2.setFirstName("Coach Susan"); team2.setCoach(coach2); Person player4 = new Person(); player4.setFirstName("Player Jim"); team2.getPlayers().add(player4); JXPathContext context = JXPathContext.newContext(league); System.out.println("** Retrieve the first name of Ted's coach"); Object value = context.getValue("teams/players[firstName = 'Player Ted']/../coach/firstName"); System.out.println(value); context = JXPathContext.newContext(league); System.out.println("** Retrieve the players on Coach Susan's team"); value = context.getValue("teams/coach[firstName = 'Coach Susan']/../players"); System.out.println(value); } }