/*
    * Copyright 2009 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.commons.ihe.ws.cxf.databinding.plainxml;
  
  import java.util.Collection;
  
  import javax.xml.namespace.QName;
  import javax.xml.stream.XMLStreamException;
  import javax.xml.stream.XMLStreamReader;
  import javax.xml.validation.Schema;
  
  import org.apache.cxf.databinding.DataReader;
  import org.apache.cxf.message.Attachment;
  import org.apache.cxf.service.model.MessagePartInfo;
  
  /**
   * Fake data reader which reads in the whole XML stream and returns 
   * a <code>null</code> value instead of the expected POJO. 
   * @author Dmytro Rud
   */
  public class PlainXmlReader implements DataReader<XMLStreamReader>{
  
      @Override
      public Object read(XMLStreamReader reader) {
          try {
              while(reader.hasNext()) { 
                  reader.next();
              }
          } catch (XMLStreamException e) {
              throw new RuntimeException(e);
          }
          return null;
      }
  
      @Override
      public Object read(MessagePartInfo part, XMLStreamReader reader) {
          return read(reader);
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public Object read(QName elementQName, XMLStreamReader reader, Class type) {
          return read(reader);
      }
  
      @Override
      public void setAttachments(Collection<Attachment> attachments) {
          // nop
      }
  
      @Override
      public void setProperty(String prop, Object value) {
          // nop
      }
  
      @Override
      public void setSchema(Schema s) {
          // nop
      }
  }