001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.convert;
021    
022    import org.apache.commons.logging.Log;
023    import org.apache.commons.logging.LogFactory;
024    import org.apache.myfaces.tobago.config.TobagoConfig;
025    import org.apache.myfaces.tobago.context.Theme;
026    
027    import javax.faces.component.UIComponent;
028    import javax.faces.context.FacesContext;
029    import javax.faces.convert.Converter;
030    import javax.faces.convert.ConverterException;
031    
032    @org.apache.myfaces.tobago.apt.annotation.Converter(forClass = "org.apache.myfaces.tobago.context.Theme")
033    public class ThemeConverter implements Converter {
034    
035      private static final Log LOG = LogFactory.getLog(ThemeConverter.class);
036    
037      public static final String CONVERTER_ID = "org.apache.myfaces.tobago.Theme";
038    
039      public String getAsString(
040          FacesContext facesContext, UIComponent component, Object object)
041          throws ConverterException {
042        try {
043          return ((Theme) object).getName();
044        } catch (ClassCastException e) {
045          throw new ConverterException("object='" + object + "'", e);
046        }
047      }
048    
049      public Object getAsObject(
050          FacesContext facesContext, UIComponent component, String string)
051          throws ConverterException {
052        try {
053          return TobagoConfig.getInstance(facesContext).getTheme(string);
054        } catch (Exception e) {
055          LOG.error("string='" + string + "'", e);
056          throw new ConverterException("string='" + string + "'", e);
057        }
058      }
059    
060    }