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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.validator;
21  
22  import org.apache.myfaces.tobago.util.ComponentUtils;
23  import org.slf4j.Logger;
24  import org.slf4j.LoggerFactory;
25  
26  import javax.faces.component.UIComponent;
27  import javax.faces.context.FacesContext;
28  import javax.faces.event.AbortProcessingException;
29  import javax.faces.event.ActionEvent;
30  import javax.faces.event.ActionListener;
31  import javax.faces.event.PhaseId;
32  import java.util.StringTokenizer;
33  
34  public class ClearValidatorsActionListener implements ActionListener {
35  
36    private static final Logger LOG = LoggerFactory.getLogger(ClearValidatorsActionListener.class);
37  
38    public PhaseId getPhaseId() {
39      return PhaseId.APPLY_REQUEST_VALUES;
40    }
41  
42    @Override
43    public void processAction(final ActionEvent actionEvent) throws AbortProcessingException {
44      if (LOG.isDebugEnabled()) {
45        LOG.debug("actionEvent = '" + actionEvent + "'");
46      }
47      final UIComponent source = actionEvent.getComponent();
48      final String clearValidatorsFieldIds
49          = (String) ComponentUtils.findParameter(source, "clearValidatorsFieldIds");
50  
51      if (LOG.isDebugEnabled()) {
52        LOG.debug("clearValidatorsFieldIds = '" + clearValidatorsFieldIds + "'");
53      }
54  
55      // FIXME: finding mechanism??? JSF ???
56  
57      final StringTokenizer tokenizer = new StringTokenizer(clearValidatorsFieldIds, ",");
58      while (tokenizer.hasMoreTokens()) {
59        final String clearValidatorsFieldId = tokenizer.nextToken();
60  
61        UIComponent component = source.findComponent(clearValidatorsFieldId);
62        if (LOG.isDebugEnabled()) {
63          LOG.debug("component = '" + component + "'");
64        }
65  
66        if (component == null) { // not found locally
67          if (LOG.isDebugEnabled()) {
68            LOG.debug("Component not found locally, asking the tree.");
69          }
70          final FacesContext facesContext = FacesContext.getCurrentInstance();
71          component = facesContext.getViewRoot().findComponent(clearValidatorsFieldId);
72        }
73  
74        if (component == null) { // not found
75          LOG.warn("Component not found.");
76        } else {
77  //        component.clearValidators();
78          LOG.error("NO LONGER AVAILABLE: component.clearValidators();");
79        }
80      }
81    }
82  
83  }