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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.renderkit.renderer;
21  
22  import org.apache.myfaces.tobago.component.Attributes;
23  import org.apache.myfaces.tobago.internal.util.StringUtils;
24  import org.apache.myfaces.tobago.renderkit.RendererBase;
25  import org.apache.myfaces.tobago.util.ComponentUtils;
26  import org.slf4j.Logger;
27  import org.slf4j.LoggerFactory;
28  
29  import javax.faces.component.EditableValueHolder;
30  import javax.faces.component.UIComponent;
31  import javax.faces.context.FacesContext;
32  import java.lang.invoke.MethodHandles;
33  import java.util.Map;
34  
35  public abstract class DecodingInputRendererBase<T extends UIComponent> extends RendererBase<T> {
36  
37    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
38  
39    @Override
40    public void decodeInternal(final FacesContext facesContext, final T component) {
41      if (!(component instanceof EditableValueHolder)) {
42        return; // no decoding required
43      }
44  
45      if (isOutputOnly(component)) {
46        return; // no decoding required
47      }
48  
49      final String clientId = component.getClientId(facesContext);
50  
51      final Map<String, String> requestParameterMap = facesContext.getExternalContext().getRequestParameterMap();
52      if (requestParameterMap.containsKey(clientId)) {
53        final String newValue = requestParameterMap.get(clientId);
54        if (LOG.isDebugEnabled()) {
55          final boolean password = ComponentUtils.getBooleanAttribute(component, Attributes.password);
56          LOG.debug("clientId='{}'", clientId);
57          LOG.debug("requestParameterMap.get(clientId)='{}'", StringUtils.toConfidentialString(newValue, password));
58        }
59  
60        setSubmittedValue(facesContext, (EditableValueHolder) component, newValue);
61      }
62  
63      decodeClientBehaviors(facesContext, component);
64    }
65  
66    protected abstract boolean isOutputOnly(T component);
67  
68    protected void setSubmittedValue(
69            final FacesContext facesContext, final EditableValueHolder component, final String newValue) {
70      component.setSubmittedValue(newValue);
71    }
72  
73  }