View Javadoc

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.ajax;
21  
22  import org.slf4j.Logger;
23  import org.slf4j.LoggerFactory;
24  
25  import javax.faces.context.FacesContext;
26  import javax.faces.event.PhaseEvent;
27  import javax.faces.event.PhaseId;
28  import javax.faces.event.PhaseListener;
29  
30  public class AjaxNavigationListener implements PhaseListener {
31  
32    private static final Logger LOG = LoggerFactory.getLogger(AjaxNavigationListener.class);
33  
34    public void afterPhase(final PhaseEvent phaseEvent) {
35      final FacesContext facesContext = phaseEvent.getFacesContext();
36      debug(facesContext);
37      if (!facesContext.getResponseComplete()) {
38        if (phaseEvent.getPhaseId() == PhaseId.RESTORE_VIEW) {
39          AjaxNavigationState.afterRestoreView(facesContext);
40        } else if (phaseEvent.getPhaseId() == PhaseId.INVOKE_APPLICATION) {
41          AjaxNavigationState.afterInvokeApplication(facesContext);
42        }
43      }
44      debug(facesContext);
45    }
46  
47    public void beforePhase(final PhaseEvent phaseEvent) {
48      final FacesContext facesContext = phaseEvent.getFacesContext();
49      debug(facesContext);
50      if (!facesContext.getResponseComplete() && phaseEvent.getPhaseId() == PhaseId.RESTORE_VIEW) {
51        AjaxNavigationState.beforeRestoreView(facesContext);
52      }
53      debug(facesContext);
54    }
55  
56    private void debug(FacesContext facesContext) {
57      if (LOG.isTraceEnabled()) {
58        LOG.trace("### debug getRenderResponse = {}", facesContext.getRenderResponse());
59        if (facesContext.getViewRoot() != null) {
60          LOG.trace("### debug getViewId = {}", facesContext.getViewRoot().getViewId());
61        }
62      }
63    }
64  
65    public PhaseId getPhaseId() {
66      return PhaseId.ANY_PHASE;
67    }
68  
69  }