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Source code below from: Jakarta Commons Cookbook By Timothy O'Brien Published 16 November, 2004 Average rating       Powells     Alibris

/* 
 * ========================================================================
 * 
 * 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.bean;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.digester.Digester;
import org.apache.commons.digester.ObjectCreateRule;
import org.apache.commons.digester.RuleSetBase;
import org.apache.commons.digester.Rules;
import org.apache.commons.digester.SetNextRule;
import org.xml.sax.SAXException;

public class NamespaceDigest {
    public static void main(String[] args) throws IOException, SAXException {
        new NamespaceDigest().testDigest();
    }

    public void testDigest() throws IOException, SAXException {

        Pages pages = new Pages();
        
        Digester digester = new Digester();
        digester.setNamespaceAware(true);
        digester.addRuleSet( new PageRuleSet() );
        digester.addRuleSet( new PersonRuleSet() );
        
        digester.push(pages);

        InputStream input = getClass().getResourceAsStream("./content.xml");
        digester.parse(input);

        Page page = (Page) pages.getPages().get(0);
        System.out.println(page);
    }

    private void addPageRules(Rules rules) {
        rules.add("*/page", new ObjectCreateRule(Page.class));
        rules.add("*/page", new SetNextRule("add"));
    }

    public class PersonRuleSet extends RuleSetBase {
        public PersonRuleSet() {
            this.namespaceURI = "http://discursive.com/person";
        }

        public void addRuleInstances(Digester digester) {
            digester.addObjectCreate("*/person", Person.class);
            digester.addSetNext("*/person", "addPerson");
            digester.addSetProperties("*/person");
            digester.addBeanPropertySetter("*/person/role", "role");
        }
    }

    public class PageRuleSet extends RuleSetBase {
        public PageRuleSet() {
            this.namespaceURI = "http://discursive.com/page";
        }

        public void addRuleInstances(Digester digester) {
            digester.addObjectCreate("*/page", Page.class);
            digester.addSetNext("*/page", "addPage");
            digester.addSetProperties("*/page");
            digester.addBeanPropertySetter("*/page/summary", "summary");
        }
    }

}