001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.taglib.decl;
021    
022    import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
023    import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute;
024    import org.apache.myfaces.tobago.apt.annotation.DynamicExpression;
025    
026    /**
027     * $Id: HasAction.java 1368577 2012-08-02 16:20:31Z lofwyr $
028     */
029    public interface HasAction {
030      /**
031       * Action to invoke when clicked.
032       * This must be a MethodBinding or a String representing the application action to invoke when
033       * this component is activated by the user.
034       * The MethodBinding must evaluate to a public method that takes no parameters,
035       * and returns a String (the logical outcome) which is passed to the
036       * NavigationHandler for this application.
037       * The String is directly passed to the Navigationhandler.
038       */
039      @TagAttribute
040      @UIComponentTagAttribute(type = "javax.faces.el.MethodBinding", expression = DynamicExpression.METHOD_BINDING)
041      void setAction(String action);
042    
043    }