/*
    * Copyright 2013 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.openehealth.ipf.platform.camel.cda.converter;
  
  import java.io.ByteArrayInputStream;
  import java.io.InputStream;
  import java.nio.charset.Charset;
  
  import org.apache.camel.Converter;
  import org.apache.camel.Exchange;
  import org.openehealth.ipf.modules.cda.CDAR2Renderer;
  import org.openhealthtools.mdht.uml.cda.ClinicalDocument;
  
  @Converter
  public class MdhtTypeConverter {
  
      private final static CDAR2Renderer renderer = new CDAR2Renderer();
  
      @Converter
      public static InputStream toInputStream(ClinicalDocument document, Exchange exchange) {
          Charset charset = Charset.defaultCharset();
          if (exchange != null) {
              String charsetName = exchange.getProperty(Exchange.CHARSET_NAME, String.class);
              if (charsetName != null) {
                  charset = Charset.forName(charsetName);
              }
          }
          return new ByteArrayInputStream(renderer.render(document, (Object[]) null).getBytes(charset));
      }
  
      @Converter
      public static String toString(ClinicalDocument document, Exchange exchange) {
          return renderer.render(document,(Object[]) null);
      }
  }