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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.convert;
21  
22  import org.slf4j.Logger;
23  import org.slf4j.LoggerFactory;
24  import org.apache.myfaces.tobago.config.TobagoConfig;
25  import org.apache.myfaces.tobago.context.Theme;
26  
27  import javax.faces.component.UIComponent;
28  import javax.faces.context.FacesContext;
29  import javax.faces.convert.Converter;
30  import javax.faces.convert.ConverterException;
31  
32  @org.apache.myfaces.tobago.apt.annotation.Converter(forClass = "org.apache.myfaces.tobago.context.Theme")
33  public class ThemeConverter implements Converter {
34  
35    private static final Logger LOG = LoggerFactory.getLogger(ThemeConverter.class);
36  
37    public static final String CONVERTER_ID = "org.apache.myfaces.tobago.Theme";
38  
39    @Override
40    public String getAsString(
41        final FacesContext facesContext, final UIComponent component, final Object object)
42        throws ConverterException {
43      try {
44        return ((Theme) object).getName();
45      } catch (final ClassCastException e) {
46        throw new ConverterException("object='" + object + "'", e);
47      }
48    }
49  
50    @Override
51    public Object getAsObject(
52        final FacesContext facesContext, final UIComponent component, final String string)
53        throws ConverterException {
54      try {
55        return TobagoConfig.getInstance(facesContext).getTheme(string);
56      } catch (final Exception e) {
57        LOG.error("string='" + string + "'", e);
58        throw new ConverterException("string='" + string + "'", e);
59      }
60    }
61  
62  }