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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  
20  package org.apache.myfaces.tobago.internal.taglib.declaration;
21  
22  import org.apache.myfaces.tobago.apt.annotation.DynamicExpression;
23  import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
24  import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute;
25  
26  public interface HasAction {
27    /**
28     * Action to invoke when clicked.
29     * This must be a MethodBinding or a String representing the application action to invoke when
30     * this component is activated by the user.
31     * The MethodBinding must evaluate to a public method that takes no parameters,
32     * and returns a String (the logical outcome) which is passed to the
33     * NavigationHandler for this application.
34     * The string is directly passed to the navigation handler.
35     */
36    @TagAttribute
37    @UIComponentTagAttribute(
38        type = {},
39        expression = DynamicExpression.METHOD_EXPRESSION,
40        methodReturnType = "java.lang.Object")
41    void setAction(String action);
42  
43  }