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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.facelets;
21  
22  import org.apache.myfaces.tobago.component.UIStyle;
23  import org.slf4j.Logger;
24  import org.slf4j.LoggerFactory;
25  
26  import javax.faces.component.UIComponent;
27  import javax.faces.view.facelets.ComponentConfig;
28  import javax.faces.view.facelets.ComponentHandler;
29  import javax.faces.view.facelets.FaceletContext;
30  import javax.faces.view.facelets.FaceletHandler;
31  import javax.faces.view.facelets.TextHandler;
32  
33  public class StyleHandler extends ComponentHandler {
34  
35    private static final Logger LOG = LoggerFactory.getLogger(StyleHandler.class);
36  
37    public StyleHandler(ComponentConfig config) {
38      super(config);
39    }
40  
41    public void onComponentCreated(FaceletContext context, UIComponent component, UIComponent parent) {
42  
43      StringBuilder content = new StringBuilder();
44      final FaceletHandler next = getComponentConfig().getNextHandler();
45      if (next instanceof TextHandler) {
46        content.append(((TextHandler) next).getText(context));
47      } else {
48        // TBD: is this okay, or is here something to do?
49        // on the other side, Script inside the page is deprecated.
50        LOG.warn("Not applied for handler: " + next.getClass().getName());
51      }
52  
53      ((UIStyle) component).setStyle(content.toString());
54    }
55  
56    public void applyNextHandler(FaceletContext ctx, UIComponent c) {
57    }
58  }