/*
    * 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.xds.core.metadata;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  import org.apache.commons.io.IOUtils;
  import org.junit.Test;
  import org.openehealth.ipf.commons.ihe.xds.core.SampleData;
  import org.openehealth.ipf.commons.ihe.xds.core.requests.ProvideAndRegisterDocumentSet;
  import org.openehealth.ipf.commons.ihe.xds.core.responses.RetrievedDocument;
  import org.openehealth.ipf.commons.ihe.xds.core.responses.RetrievedDocumentSet;
  
  /**
   * Tests that all requests/responses and metadata classes can be serialized.
   * @author Jens Riemschneider
   */
  public class SerializationTest {
      @Test
      public void testProvideAndRegisterDocumentSet() throws Exception {
          ProvideAndRegisterDocumentSet request = SampleData.createProvideAndRegisterDocumentSet();
          checkSerialization(request);
      }
  
      @Test
      public void testQueryRegistry() throws Exception {
          checkSerialization(SampleData.createFindDocumentsQuery());
          checkSerialization(SampleData.createFindDocumentsForMultiplePatientsQuery());
          checkSerialization(SampleData.createFindFoldersQuery());
          checkSerialization(SampleData.createFindFoldersForMultiplePatientsQuery());
          checkSerialization(SampleData.createFindSubmissionSetsQuery());
          checkSerialization(SampleData.createGetAllQuery());
          checkSerialization(SampleData.createGetAssociationsQuery());
          checkSerialization(SampleData.createGetDocumentsAndAssociationsQuery());
          checkSerialization(SampleData.createGetDocumentsQuery());
          checkSerialization(SampleData.createGetFolderAndContentsQuery());
          checkSerialization(SampleData.createGetFoldersForDocumentQuery());
          checkSerialization(SampleData.createGetFoldersQuery());
          checkSerialization(SampleData.createGetRelatedDocumentsQuery());
          checkSerialization(SampleData.createGetSubmissionSetAndContentsQuery());
          checkSerialization(SampleData.createGetSubmissionSetsQuery());
      }
      
      @Test
      public void testRegisterDocumentSet() throws Exception {
          checkSerialization(SampleData.createRegisterDocumentSet());
      }
      
      @Test
      public void testRetrieveDocumentSet() throws Exception {
          checkSerialization(SampleData.createRetrieveDocumentSet());
      }
  
      @Test
      public void testQueryResponse() throws Exception {
          checkSerialization(SampleData.createQueryResponseWithLeafClass());
          checkSerialization(SampleData.createQueryResponseWithObjRef());
      }
  
      @Test
      public void testRetrievedDocumentSet() throws Exception {
          RetrievedDocumentSet response = SampleData.createRetrievedDocumentSet();
          for (RetrievedDocument doc : response.getDocuments()) {
              doc.setDataHandler(null);
          }
          checkSerialization(response);
      }
      
      private void checkSerialization(Object original) throws IOException, ClassNotFoundException {
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          ObjectOutputStream oos = new ObjectOutputStream(out);
          ObjectInputStream ois = null;
          try {
              oos.writeObject(original);
              InputStream in = new ByteArrayInputStream(out.toByteArray());
              ois = new ObjectInputStream(in);   
              Object copy = ois.readObject();
              assertSame(original.getClass(), copy.getClass());
             assertEquals(original, copy);
         }
         finally {
             IOUtils.closeQuietly(oos);
             IOUtils.closeQuietly(ois);
         }
     }
 }