/*
    * 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.chemistry.opencmis.server.impl;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  
  import org.apache.chemistry.opencmis.commons.PropertyIds;
  import org.apache.chemistry.opencmis.commons.data.ContentStream;
  import org.apache.chemistry.opencmis.commons.data.PropertyString;
  import org.apache.chemistry.opencmis.server.impl.atompub.AtomEntryParser;
  import org.apache.commons.codec.binary.Base64;
  import org.junit.Test;
  
  /**
   * AtomEntryParser test.
   */
  public class AtomEntryParserTest {
  
      private static final int THRESHOLD = 4 * 1024 * 1024;
  
      private static final String CMIS_ENTRY_CONTENT = "This is my content!";
      private static final String CMIS_ENTRY = "<?xml version='1.0' encoding='utf-8'?>"
              + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
              + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
              + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>test.txt</atom:title>"
              + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
              + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
              + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
              + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
              + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
              + "      <cmis:value>test.txt</cmis:value>" + "    </cmis:propertyString>"
              + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
              + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
              + "</cmisra:object>" + "<cmisra:content>" + "  <cmisra:mediatype>text/plain</cmisra:mediatype>"
              + "  <cmisra:base64>" + Base64.encodeBase64String(CMIS_ENTRY_CONTENT.getBytes()) + "</cmisra:base64>"
              + "</cmisra:content>" + "</atom:entry>";
  
      private static final String ATOM_ENTRY_TEXT_CONTENT = "This is plain text!";
      private static final String ATOM_ENTRY_TEXT = "<?xml version='1.0' encoding='utf-8'?>"
              + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
              + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
              + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>test.txt</atom:title>"
              + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
              + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
              + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
              + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
              + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
              + "      <cmis:value>test.txt</cmis:value>" + "    </cmis:propertyString>"
              + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
              + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
              + "</cmisra:object>" + "<atom:content type=\"text\">" + ATOM_ENTRY_TEXT_CONTENT + "</atom:content>"
              + "</atom:entry>";
  
      private static final String ATOM_ENTRY_XML_CONTENT = "<first xmlns=\"http://test/1\"><second myattr=\"Cool, a value!\">hey, this is text</second><myns:third xmlns:myns=\"http://test/2\">guess what's here ... more text</myns:third></first>";
      private static final String ATOM_ENTRY_XML = "<?xml version='1.0' encoding='utf-8'?>"
              + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
              + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
              + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>test.txt</atom:title>"
              + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
              + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
              + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
              + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
              + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
              + "      <cmis:value>test.txt</cmis:value>" + "    </cmis:propertyString>"
              + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
              + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
              + "</cmisra:object>" + "<atom:content type=\"text/xml\">" + ATOM_ENTRY_XML_CONTENT + "</atom:content>"
              + "</atom:entry>";
  
      private static final String ATOM_ENTRY_XHTML_CONTENT = "<div xmlns=\"http://www.w3.org/1999/xhtml\">This is <b>XHTML</b> content.</div>";
      private static final String ATOM_ENTRY_XHTML = "<?xml version='1.0' encoding='utf-8'?>"
              + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
              + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
              + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>test.txt</atom:title>"
              + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
              + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
              + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
             + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
             + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
             + "      <cmis:value>test.txt</cmis:value>" + "    </cmis:propertyString>"
             + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
             + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
             + "</cmisra:object>" + "<atom:content type=\"xhtml\">" + ATOM_ENTRY_XHTML_CONTENT + "</atom:content>"
             + "</atom:entry>";
 
     private static final String ATOM_ENTRY_BASE64_CONTENT = "This is another content!";
     private static final String ATOM_ENTRY_BASE64 = "<?xml version='1.0' encoding='utf-8'?>"
             + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
             + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
             + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>test.txt</atom:title>"
             + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
             + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
             + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
             + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
             + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
             + "      <cmis:value>test.txt</cmis:value>" + "    </cmis:propertyString>"
             + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
             + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
             + "</cmisra:object>" + "<atom:content type=\"application/something\">"
             + Base64.encodeBase64String(ATOM_ENTRY_BASE64_CONTENT.getBytes()) + "</atom:content>" + "</atom:entry>";
 
     private static final String ATOM_ENTRY_NAME = "<?xml version='1.0' encoding='utf-8'?>"
             + "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\" xmlns:cmis=\"http://docs.oasis-open.org/ns/cmis/core/200908/\" xmlns:cmisra=\"http://docs.oasis-open.org/ns/cmis/restatom/200908/\">"
             + "<atom:author><atom:name>test</atom:name></atom:author>" + "<atom:id>http://test/id</atom:id>"
             + "<atom:published>2009-12-31T12:53:37Z</atom:published>" + "<atom:title>atom.title</atom:title>"
             + "<atom:updated>2010-01-01T00:00:00Z</atom:updated>"
             + "<cmisra:object xmlns:ns3=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">"
             + "  <cmis:properties>" + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectId\">"
             + "      <cmis:value>id</cmis:value>" + "    </cmis:propertyId>"
             + "    <cmis:propertyString propertyDefinitionId=\"cmis:name\">"
             + "      <cmis:value>cmis.name</cmis:value>" + "    </cmis:propertyString>"
             + "    <cmis:propertyId propertyDefinitionId=\"cmis:objectTypeId\">"
             + "      <cmis:value>cmis:document</cmis:value>" + "    </cmis:propertyId>" + "  </cmis:properties>"
             + "</cmisra:object>" + "</atom:entry>";
 
     @Test
     public void testCmisContent() throws Exception {
         byte[] content = parse(CMIS_ENTRY.getBytes());
         assertEquals(CMIS_ENTRY_CONTENT, new String(content));
     }
 
     @Test
     public void testAtomContentText() throws Exception {
         byte[] content = parse(ATOM_ENTRY_TEXT.getBytes());
         assertEquals(ATOM_ENTRY_TEXT_CONTENT, new String(content));
     }
 
     @Test
     public void testAtomContentXml() throws Exception {
         byte[] content = parse(ATOM_ENTRY_XML.getBytes());
         String xmlContent = new String(content);
         assertTrue(xmlContent.indexOf('>') > -1);
         assertEquals(ATOM_ENTRY_XML_CONTENT, xmlContent.substring(xmlContent.indexOf('>') + 1));
     }
 
     @Test
     public void testAtomContentXHtml() throws Exception {
         byte[] content = parse(ATOM_ENTRY_XHTML.getBytes());
         String xmlContent = new String(content);
         assertTrue(xmlContent.indexOf('>') > -1);
         assertEquals(ATOM_ENTRY_XHTML_CONTENT, xmlContent.substring(xmlContent.indexOf('>') + 1));
     }
 
     @Test
     public void testAtomContentBase64() throws Exception {
         byte[] content = parse(ATOM_ENTRY_BASE64.getBytes());
         assertEquals(ATOM_ENTRY_BASE64_CONTENT, new String(content));
     }
 
     @Test
     public void testAtomTitle() throws Exception {
         AtomEntryParser aep = new AtomEntryParser(new ByteArrayInputStream(ATOM_ENTRY_NAME.getBytes()), null, THRESHOLD);
 
         assertNotNull(aep);
         assertNotNull(aep.getObject());
         assertNotNull(aep.getObject().getProperties());
         assertNotNull(aep.getObject().getProperties().getProperties());
         assertNotNull(aep.getObject().getProperties().getProperties().get(PropertyIds.NAME) instanceof PropertyString);
 
         PropertyString nameProperty = (PropertyString) aep.getObject().getProperties().getProperties()
                 .get(PropertyIds.NAME);
 
         assertEquals("atom.title", nameProperty.getFirstValue());
     }
 
     @Test
     public void testNullStream() throws Exception {
         AtomEntryParser aep = new AtomEntryParser(null, null, THRESHOLD);
 
         assertNotNull(aep);
         assertNull(aep.getId());
         assertNull(aep.getObject());
         assertNull(aep.getContentStream());
         assertNull(aep.getProperties());
     }
 
     @Test
     public void testEmptyStream() throws Exception {
         AtomEntryParser aep = new AtomEntryParser(new ByteArrayInputStream(new byte[0]), null, THRESHOLD);
 
         assertNotNull(aep);
         assertNull(aep.getId());
         assertNull(aep.getObject());
         assertNull(aep.getContentStream());
         assertNull(aep.getProperties());
     }
 
     private static byte[] parse(byte[] entry) throws Exception {
         AtomEntryParser aep = new AtomEntryParser(new ByteArrayInputStream(entry), null, THRESHOLD);
         ContentStream contentStream = aep.getContentStream();
 
         assertNotNull(contentStream);
         assertNotNull(contentStream.getStream());
 
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 
         byte[] buffer = new byte[4096];
         int b;
 
         while ((b = contentStream.getStream().read(buffer)) > -1) {
             baos.write(buffer, 0, b);
         }
 
         return baos.toByteArray();
     }
 }