EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.common;

import java.io.File;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URI;

import java.net.URL;

import org.apache.http.HttpException;

import org.apache.log4j.Logger;

import org.junit.After;

import org.junit.AfterClass;

import org.junit.Assert;

import org.junit.Before;

import org.junit.BeforeClass;

import org.junit.Test;

import eu.etaxonomy.cdm.common.mediaMetaData.ImageMetaData;

import eu.etaxonomy.cdm.common.mediaMetaData.MetaDataFactory;

import eu.etaxonomy.cdm.common.mediaMetaData.MimeType;

/**

 * @author n.hoffmann

 * @created 13.11.2008

 * @version 1.0

 */

public class MediaMetaDataTest {

	private static final Logger logger = Logger.getLogger(MediaMetaDataTest.class);

	/**

	 * @throws java.lang.Exception

	 */

	@BeforeClass

	public static void setUpBeforeClass() throws Exception {

		if (logger.isDebugEnabled()){logger.debug("setUpBeforeClass");}

	}

	/**

	 * @throws java.lang.Exception

	 */

	@AfterClass

	public static void tearDownAfterClass() throws Exception {

	}

	/**

	 * @throws java.lang.Exception

	 */

	@Before

	public void setUp() throws Exception {

	}

	/**

	 * @throws java.lang.Exception

	 */

	@After

	public void tearDown() throws Exception {

	}

	/********************* TESTS 

	 * @throws IOException 

	 * @throws HttpException ********************/

	@Test

	public void readImageInfoFromFile() throws IOException, HttpException {

		File imageFile = new File("./src/test/resources/images/OregonScientificDS6639-DSC_0307-small.jpg");

		MetaDataFactory metaFactory = MetaDataFactory.getInstance();

		ImageMetaData imageMetaData = (ImageMetaData) metaFactory.readMediaData(imageFile.toURI(), MimeType.JPEG, 0);

		//imageMetaData.readFrom(imageFile);

		assertImageInfo(imageMetaData);		

		imageFile = new File("./src/test/resources/images/OregonScientificDS6639-DSC_0307-small.tif");

		 imageMetaData = (ImageMetaData) metaFactory.readMediaData(imageFile.toURI(), MimeType.IMAGE, 0);

		 assertTiffInfo(imageMetaData);		

	}

	@Test

	public void readImageInfoFromUrl() throws IOException, HttpException {

		try {

			//TODO make ready for windows

			//URL imageUrl = new URL("file://" + new File("").getAbsolutePath()+ "/src/test/resources/images/OregonScientificDS6639-DSC_0307-small.jpg");

			URL imageUrl = new URL("http://wp5.e-taxonomy.eu/media/palmae/photos/palm_tc_100447_6.jpg");

			MetaDataFactory metaFactory = MetaDataFactory.getInstance();

			ImageMetaData imageMetaData;

			try {

				imageMetaData = (ImageMetaData) metaFactory.readMediaData(CdmUtils.string2Uri(imageUrl.toString()), MimeType.JPEG, 30000);

				//imageMetaData.readImageMetaData(imageUrl);

				Assert.assertNotNull(imageMetaData);

			} catch (Exception e) {

				if (UriUtils.isInternetAvailable(URI.create(imageUrl.toString()))){

					Assert.fail("Exception when reading media meta data though internet is available");

				}else{

					logger.warn("Internet not available. Can't test reading image meta data");

				}

			}

		} catch (MalformedURLException e) {

			e.printStackTrace();

		}

	}

	private void assertImageInfo (ImageMetaData imageMetaData){

		Assert.assertEquals(24, imageMetaData.getBitPerPixel());

		Assert.assertEquals("JPEG (Joint Photographic Experts Group) Format", imageMetaData.getFormatName());

		Assert.assertEquals(300, imageMetaData.getWidth());

		Assert.assertEquals(225, imageMetaData.getHeight());

		Assert.assertEquals("image/jpeg", imageMetaData.getMimeType());

	}

	private void assertTiffInfo (ImageMetaData imageMetaData){

		Assert.assertEquals(24, imageMetaData.getBitPerPixel());

		Assert.assertEquals("TIFF Tag-based Image File Format", imageMetaData.getFormatName());

		Assert.assertEquals(300, imageMetaData.getWidth());

		Assert.assertEquals(225, imageMetaData.getHeight());

		Assert.assertEquals("image/tiff", imageMetaData.getMimeType());

	}

}