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 }