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 MethodExpression or a String representing the application action to invoke when
30 * this component is activated by the user.
31 * The {@link javax.el.MethodExpression} must evaluate to a public method that takes no parameters,
32 * and returns a {@link String} (the logical outcome) which is passed to the
33 * {@link javax.faces.application.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 }