/*
* ========================================================================
*
* 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 java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.jxpath.JXPathContext;
import org.apache.log4j.Logger;
import org.xml.sax.SAXException;
import com.discursive.jccook.util.LogInit;
import com.discursive.jccook.xml.bean.BetwixtExample;
public class PersonExample {
private static Logger logger = Logger.getLogger(BetwixtExample.class);
static { LogInit.init(); }
public static void main(String[] args) throws IOException, SAXException {
new PersonExample().start();
}
public void start() throws IOException, SAXException {
List people = new ArrayList();
Person person1 = new Person();
person1.setFirstName( "Ahmad" );
person1.setLastName( "Russell" );
person1.setAge( 28 );
people.add( person1 );
Person person2 = new Person();
person2.setFirstName( "Tom" );
person2.setLastName( "Russell" );
person2.setAge( 35 );
people.add( person2 );
Person person3 = new Person();
person3.setFirstName( "Ahmad" );
person3.setLastName( "Abuzayedeh" );
person3.setAge( 33 );
people.add( person3 );
System.out.println( "** People older than 30");
JXPathContext context = JXPathContext.newContext( people );
Iterator iterator = context.iterate(".[@age > 30]");
printPeople(iterator);
context = JXPathContext.newContext( people );
System.out.println( "** People with first name 'Ahmad'" );
iterator = context.iterate(".[@firstName = 'Ahmad']");
printPeople(iterator);
context = JXPathContext.newContext( people );
System.out.println( "** Second Person in List" );
Person p = (Person) context.getValue(".[2]");
System.out.println( "Person: " + p.getFirstName() + " " + p.getLastName() +
", age: " + p.getAge() );
}
private void printPeople(Iterator iterator) {
while( iterator.hasNext() ) {
Person p = (Person) iterator.next();
System.out.println( "Person: " + p.getFirstName() + " " + p.getLastName() +
", age: " + p.getAge() );
}
}
}
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