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