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 }