/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.myfaces.tobago.example.demo;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.faces.convert.Converter;
  import javax.faces.convert.ConverterException;
  import java.lang.invoke.MethodHandles;
  
  /**
   * Example of a boolean converter with a string representation in the model ("on" and "off").
   */
  public class OnOffConverter implements Converter<String> {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    @Override
    public String getAsObject(final FacesContext facesContext, final UIComponent component, final String value)
        throws ConverterException {
      final String result = Boolean.parseBoolean(value) ? "on" : "off";
      LOG.info("Got value = '" + value + "'. Result = '" + result + "'");
      return result;
    }
  
    @Override
    public String getAsString(final FacesContext facesContext, final UIComponent component, final String value)
        throws ConverterException {
      final String result = "on".equals(value) ? Boolean.TRUE.toString() : Boolean.FALSE.toString();
      LOG.info("Got value = '" + value + "'. Result: '" + result + "'");
      return result;
    }
  }