001 package org.apache.myfaces.tobago.taglib.decl; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.myfaces.tobago.apt.annotation.TagAttribute; 021 import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute; 022 import org.apache.myfaces.tobago.apt.annotation.DynamicExpression; 023 024 /** 025 * $Id: HasAction.java 601107 2007-12-04 22:12:14Z bommel $ 026 */ 027 public interface HasAction { 028 /** 029 * Action to invoke when clicked. 030 * This must be a MethodBinding or a String representing the application action to invoke when 031 * this component is activated by the user. 032 * The MethodBinding must evaluate to a public method that takes no parameters, 033 * and returns a String (the logical outcome) which is passed to the 034 * NavigationHandler for this application. 035 * The String is directly passed to the Navigationhandler. 036 */ 037 @TagAttribute 038 @UIComponentTagAttribute(type = "javax.faces.el.MethodBinding", expression = DynamicExpression.METHOD_BINDING) 039 void setAction(String action); 040 041 }