/*
    * Copyright 2002-2014 the original author or authors.
    *
    * Licensed 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.springframework.http.converter.support;
  
  import javax.xml.transform.Source;
  
  import org.springframework.http.converter.FormHttpMessageConverter;
  import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
  import org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter;
  import org.springframework.http.converter.xml.SourceHttpMessageConverter;
  import org.springframework.util.ClassUtils;
  
  /**
   * Extension of {@link org.springframework.http.converter.FormHttpMessageConverter},
   * adding support for XML and JSON-based parts.
   *
   * @author Rossen Stoyanchev
   * @since 3.2
   */
  public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConverter {
  
  	private static final boolean jaxb2Present =
  			ClassUtils.isPresent("javax.xml.bind.Binder", AllEncompassingFormHttpMessageConverter.class.getClassLoader());
  
  	private static final boolean jackson2Present =
  			ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper", AllEncompassingFormHttpMessageConverter.class.getClassLoader()) &&
  					ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator", AllEncompassingFormHttpMessageConverter.class.getClassLoader());
  
  
  	public AllEncompassingFormHttpMessageConverter() {
  		addPartConverter(new SourceHttpMessageConverter<Source>());
  		if (jaxb2Present) {
  			addPartConverter(new Jaxb2RootElementHttpMessageConverter());
  		}
  		if (jackson2Present) {
  			addPartConverter(new MappingJackson2HttpMessageConverter());
  		}
  	}
  
  }