treemodel.java

resetful样式的ws样例,一种面向资源的webservices服务

/*
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * 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 https://jersey.dev.java.net/CDDL+GPL.html
 * or jersey/legal/LICENSE.txt.  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 jersey/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun 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):
 * 
 * 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 don't 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 com.sun.jersey.impl.json;

import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 *
 * @author japod
 */
@XmlRootElement
public class TreeModel {
    
    public static class Node {
        @XmlElement  public String label;
        @XmlElement public boolean expanded;        
        @XmlElement public List<Node> children;
        
        public Node() {
            this("dummy node", null);
        }

        public Node(String label){
            this(label, null);
        }
        
        public Node(String label, Collection<Node> children) {
            this.label = label;
            if (null != children) {
                this.children = new LinkedList<Node>();
                this.children.addAll(children);
                expanded = true;
            }
        }
        
        @Override
        public int hashCode() {
            int result = 13;
            result = 5 + 17 * label.hashCode();
            if (null != children) {
                for (Node n : children) {
                    result = 5 + 17 * n.hashCode();
                }
            }
            return result;
        }

        @Override
        public boolean equals(Object obj) {
            if (!(obj instanceof Node)) {
                return false;
            }
            final Node other = (Node) obj;
            if (this.label != other.label && (this.label == null || !this.label.equals(other.label))) {
                return false;
            }
            if (this.children != other.children && (this.children == null || !this.children.equals(other.children))) {
                return false;
            }
            return true;
        }
        
        @Override
        public String toString() {
            String result = "(" + label + ":";
            if (null != children) {
                for (Node n : children) {
                    result += n.toString();
                }
                return result + ")";
            } else {
                return result + "0 children)";
            }
        }
    }
    
    @XmlElement public Node root;
    
    public TreeModel() {}
    
    public TreeModel(Node root) {
        this.root = root;
    }
    
    public static Object createTestInstance() {
        TreeModel instance = new TreeModel();
        instance.root = new Node();
        return instance;
    }
    
    @Override
    public int hashCode() {
        if (null != root) {
            return 7 + root.hashCode();
        } else {
            return 7;
        }
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof TreeModel)) {
            return false;
        }
        final TreeModel other = (TreeModel) obj;
        if (this.root != other.root && (this.root == null || !this.root.equals(other.root))) {
            return false;
        }
        return true;
    }
    
    @Override
    public String toString() {
        return (null != root) ? root.toString() : "(NULL_ROOT)";
    }
}