1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package javax.faces.render;
20
21 import javax.faces.component.UIComponent;
22 import javax.faces.component.behavior.ClientBehavior;
23 import javax.faces.component.behavior.ClientBehaviorContext;
24 import javax.faces.context.FacesContext;
25
26 /**
27 * @since 2.0
28 */
29 public abstract class ClientBehaviorRenderer
30 {
31 public void decode(FacesContext context, UIComponent component, ClientBehavior behavior)
32 {
33 //default impl won't do anything...implementing classes will do the actual decoding.
34 //just check for null args
35 if(context == null)
36 {
37 throw new NullPointerException("context argument must not be null");
38 }
39 if(component == null)
40 {
41 throw new NullPointerException("component argument must not be null");
42 }
43 if(behavior == null)
44 {
45 throw new NullPointerException("behavior argument must not be null");
46 }
47 }
48
49 public String getScript(ClientBehaviorContext behaviorContext, ClientBehavior behavior)
50 {
51 // default implementation returns null per the javadoc
52 return null;
53 }
54 }