2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
4 * Copyright 2013-2013 Oracle and/or its affiliates. All rights reserved.
6 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
7 * Other names may be trademarks of their respective owners.
9 * The contents of this file are subject to the terms of either the GNU
10 * General Public License Version 2 only ("GPL") or the Common
11 * Development and Distribution License("CDDL") (collectively, the
12 * "License"). You may not use this file except in compliance with the
13 * License. You can obtain a copy of the License at
14 * http://www.netbeans.org/cddl-gplv2.html
15 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
16 * specific language governing permissions and limitations under the
17 * License. When distributing the software, include this License Header
18 * Notice in each file and include the License file at
19 * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
20 * particular file as subject to the "Classpath" exception as provided
21 * by Oracle in the GPL Version 2 section of the License file that
22 * accompanied this code. If applicable, add the following below the
23 * License Header, with the fields enclosed by brackets [] replaced by
24 * your own identifying information:
25 * "Portions Copyrighted [year] [name of copyright owner]"
29 * The Original Software is NetBeans. The Initial Developer of the Original
30 * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
32 * If you wish your version of this file to be governed by only the CDDL
33 * or only the GPL Version 2, indicate your decision by adding
34 * "[Contributor] elects to include this software in this distribution
35 * under the [CDDL or GPL Version 2] license." If you do not indicate a
36 * single choice of license, a recipient has the option to distribute
37 * your version of this file under either the CDDL, the GPL Version 2 or
38 * to extend the choice of license to its licensees as provided above.
39 * However, if you add GPL Version 2 code and therefore, elected the GPL
40 * Version 2 license, then the option applies only if the new code is
41 * made subject to such option by the copyright holder.
43 package net.java.html.json;
45 import java.lang.annotation.ElementType;
46 import java.lang.annotation.Retention;
47 import java.lang.annotation.RetentionPolicy;
48 import java.lang.annotation.Target;
50 /** Static methods in classes annotated by {@link Model}
51 * can be marked by this annotation to establish a
52 * <a href="http://en.wikipedia.org/wiki/JSON">JSON</a>
53 * communication point.
54 * The associated model class then gets new method to invoke a network
55 * connection. Example follows:
58 * {@link Model @Model}(className="MyModel", properties={
59 * {@link Property @Property}(name = "people", type=Person.class, array=true)
62 * {@link Model @Model}(className="Person", properties={
63 * {@link Property @Property}(name = "firstName", type=String.class),
64 * {@link Property @Property}(name = "lastName", type=String.class)
66 * static class PersonImpl {
67 * {@link ComputedProperty @ComputedProperty}
68 * static String fullName(String firstName, String lastName) {
69 * return firstName + " " + lastName;
73 * {@link OnReceive @OnReceive}(url = "{protocol}://your.server.com/person/{name}")
74 * static void getANewPerson(MyModel m, Person p) {
75 * alert("Adding " + p.getFullName() + '!');
76 * m.getPeople().add(p);
79 * // the above will generate method <code>getANewPerson</code> in class <code>MyModel</code>.
80 * // with <code>protocol</code> and <code>name</code> arguments
81 * // which asynchronously contacts the server and in case of success calls
82 * // your {@link OnReceive @OnReceive} with parsed in data
84 * {@link Function @Function}
85 * static void requestSmith(MyModel m) {
86 * m.getANewPerson("http", "Smith");
90 * When the server returns <code>{ "firstName" : "John", "lastName" : "Smith" }</code>
91 * the browser will show alert message <em>Adding John Smith!</em>.
93 * One can use this method to communicate with the server
94 * via <a href="doc-files/websockets.html">WebSocket</a> protocol since version 0.6.
95 * Read the <a href="doc-files/websockets.html">tutorial</a> to see how.
97 * @author Jaroslav Tulach <jtulach@netbeans.org>
100 @Retention(RetentionPolicy.SOURCE)
101 @Target(ElementType.METHOD)
102 public @interface OnReceive {
103 /** The URL to connect to. Can contain variable names surrounded by '{' and '}'.
104 * Those parameters will then become variables of the associated method.
106 * @return the (possibly parametrized) url to connect to
110 /** Support for <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a> requires
111 * a callback from the server generated page to a function defined in the
112 * system. The name of such function is usually specified as a property
113 * (of possibly different names). By defining the <code>jsonp</code> attribute
114 * one turns on the <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a>
115 * transmission and specifies the name of the property. The property should
116 * also be used in the {@link #url()} attribute on appropriate place.
118 * @return name of a property to carry the name of <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a>
121 String jsonp() default "";
123 /** The model class to be send to the server as JSON data.
124 * By default no data are sent. However certain {@link #method() transport methods}
125 * (like <code>"PUT"</code> and <code>"POST"</code>) require the
126 * data to be specified.
128 * @return name of a class generated using {@link Model @Model} annotation
131 Class<?> data() default Object.class;
133 /** The HTTP transfer method to use. Defaults to <code>"GET"</code>.
134 * Other typical methods include <code>"HEAD"</code>,
135 * <code>"DELETE"</code>, <code>"POST"</code>, <code>"PUT"</code>.
136 * The last two mentioned methods require {@link #data()} to be specified.
138 * When {@link #jsonp() JSONP} transport is requested, the method
139 * has to be <code>"GET"</code>.
141 * Since version 0.5 one can specify "<a href="doc-files/websockets.html">WebSocket</a>"
142 * as the communication method.
144 * @return name of the HTTP transfer method
147 String method() default "GET";
149 /** Name of a method in this class which should be called in case of
150 * an error. The method has to be non-private and take one model and
151 * one {@link Exception}
152 * parameter. If this method is not specified, the exception is just
153 * printed to console.
155 * @return name of method in this class
158 public String onError() default "";