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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU General
* Public License Version 2 only ("GPL") or the Common Development and Distribution
* License("CDDL") (collectively, the "License"). You may not use this file except in
* compliance with the License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html or nbbuild/licenses/CDDL-GPL-2-CP. See the
* License for the specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header Notice in
* each file and include the License file at nbbuild/licenses/CDDL-GPL-2-CP. Oracle
* designates this particular file as subject to the "Classpath" exception as
* provided by Oracle in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License Header,
* with the fields enclosed by brackets [] replaced by your own identifying
* information: "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* The Original Software is NetBeans. The Initial Developer of the Original Software
* is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun Microsystems, Inc. All
* Rights Reserved.
*
* If you wish your version of this file to be governed by only the CDDL or only the
* GPL Version 2, indicate your decision by adding "[Contributor] elects to include
* this software in this distribution under the [CDDL or GPL Version 2] license." If
* you do not indicate a single choice of license, a recipient has the option to
* distribute your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above. However, if
* you add GPL Version 2 code and therefore, elected the GPL Version 2 license, then
* the option applies only if the new code is made subject to such option by the
* copyright holder.
*/
package org.util;
import java.util.LinkedList;
import java.util.List;
import org.MyTestCase;
import org.netbeans.installer.utils.exceptions.ParseException;
import org.netbeans.installer.utils.xml.DomExternalizable;
import org.netbeans.installer.utils.xml.DomUtil;
import org.netbeans.installer.utils.xml.visitors.DomVisitor;
import org.netbeans.installer.utils.xml.visitors.RecursiveDomVisitor;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
*
* @author Danila_Dugurov
*/
public class DomVisitorTest extends MyTestCase {
public void testSimpleVisitor() {
MyComponent component1 = new MyComponent("one", "leaf", 10);
MyComponent component2 = new MyComponent("two", "composite", 20);
MyComponent component3 = new MyComponent("three", "composite", 30);
MyComponent component4 = new MyComponent("four", "leaf", 40);
MyComponent component5 = new MyComponent("five", "leaf", 50);
final List<MyComponent> deserialized = new LinkedList<MyComponent>();
try {
final Document document = DomUtil.parseXmlFile("<components/>");
Element root = document.getDocumentElement();
DomUtil.addChild(root, component1);
DomUtil.addChild(root, component2);
DomUtil.addChild(root, component3);
DomUtil.addChild(root, component4);
DomUtil.addChild(root, component5);
DomVisitor visitor = new RecursiveDomVisitor() {
public void visit(Element element) {
if ("component".equals(element.getNodeName())) {
final MyComponent component = new MyComponent();
component.readXML(element);
deserialized.add(component);
} else
super.visit(element);
}
};
visitor.visit(document);
} catch(ParseException wontHappend) {
}
assertEquals(component1, deserialized.get(0));
assertEquals(component2, deserialized.get(1));
assertEquals(component3, deserialized.get(2));
assertEquals(component4, deserialized.get(3));
assertEquals(component5, deserialized.get(4));
System.out.println(component1);
System.out.println(component2);
System.out.println(component3);
System.out.println(component4);
System.out.println(component5);
}
}
class MyComponent implements DomExternalizable {
String name;
String type;
int cost;
public MyComponent(String name, String type, int cost) {
this.name = name;
this.type = type;
this.cost = cost;
}
public MyComponent() {
}
public void readXML(Element element) {
final RecursiveDomVisitor visitor = new RecursiveDomVisitor() {
public void visit(Element element) {
if ("name".equals(element.getNodeName())) {
name = element.getTextContent();
} else if ("type".equals(element.getNodeName())) {
type = element.getTextContent();
} else if ("cost".equals(element.getNodeName())) {
cost = Integer.parseInt(element.getTextContent());
} else super.visit(element);
}
};
visitor.visit(element);
}
public Element writeXML(Document document) {
final Element root = document.createElement("component");
Element element = document.createElement("name");
element.setTextContent(name);
root.appendChild(element);
element = document.createElement("type");
element.setTextContent(type);
root.appendChild(element);
element = document.createElement("cost");
element.setTextContent(String.valueOf(cost));
root.appendChild(element);
return root;
}
public String toString() {
return "name: " + name + " type: " + type + " cost: " + cost;
}
@Override
public boolean equals(Object other) {
if (other == null) return false;
if (other instanceof MyComponent) {
final MyComponent component = (MyComponent) other;
return component.name.equals(this.name) &&
component.type.equals(this.type) &&
component.cost == this.cost;
}//TODO: nullPointer he he.
return false;
}
@Override
public int hashCode() {
return -1;//TODO: he-he
}
}
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