1 /*
2 * Copyright (c) 2011-2024 PrimeFaces Extensions
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22 package org.primefaces.extensions.util.visitcallback;
23
24 import javax.faces.component.UIComponent;
25 import javax.faces.component.visit.VisitCallback;
26 import javax.faces.component.visit.VisitContext;
27 import javax.faces.component.visit.VisitResult;
28
29 /**
30 * Visit callback to call any "task executor" implementing {@link VisitTaskExecutor} while traversing the component tree. It can be used from outside (see the
31 * showcase).
32 *
33 * @author Oleg Varaksin
34 * @version $Revision: 1.0 $
35 * @since 0.7
36 */
37 public class ExecutableVisitCallback implements VisitCallback {
38
39 private final VisitTaskExecutor visitTaskExecutor;
40
41 public ExecutableVisitCallback(VisitTaskExecutor visitTaskExecutor) {
42 this.visitTaskExecutor = visitTaskExecutor;
43 }
44
45 @Override
46 public VisitResult visit(VisitContext context, UIComponent target) {
47 if (visitTaskExecutor.shouldExecute(target)) {
48 return visitTaskExecutor.execute(target);
49 }
50
51 return VisitResult.ACCEPT;
52 }
53 }