EDIT

// $Id$

/**

* Copyright (C) 2009 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.mediaMetaData;

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.net.URI;

import java.util.HashMap;

import org.apache.http.HttpException;

import org.apache.log4j.Logger;

import org.apache.sanselan.ImageInfo;

import org.apache.sanselan.ImageReadException;

import org.apache.sanselan.Sanselan;

import org.apache.sanselan.common.IImageMetadata;

import org.apache.sanselan.common.ImageMetadata.Item;

import eu.etaxonomy.cdm.common.UriUtils;

/**

 * @author k.luther

 * @date 27.11.2009

 *

 */

public  class ImageMetaData extends MediaMetaData {

	private static Logger logger = Logger.getLogger(ImageMetaData.class);

	protected ImageMetaData(){

		this.metaData = new HashMap<String, String>();

	}

	protected int width, height, bitPerPixel;

	public int getWidth() {

		return width;

	}

	public void setWidth(int width) {

		this.width = width;

	}

	public int getHeight() {

		return height;

	}

	public void setHeight(int height) {

		this.height = height;

	}

	public int getBitPerPixel() {

		return bitPerPixel;

	}

	public void setBitPerPixel(int bitPerPixel) {

		this.bitPerPixel = bitPerPixel;

	}

	public String getFormatName() {

		return formatName;

	}

	public void setFormatName(String formatName) {

		this.formatName = formatName;

	}

	public String getMimeType() {

		return mimeType;

	}

	public void setMimeType(String mimeType) {

		this.mimeType = mimeType;

	}

	@Override

	public String toString(){

        return formatName + " [" + mimeType+ "] w:" + width + " h:" + height + " depth:" + bitPerPixel;

	}

	private  void readImageInfo(ImageInfo imageInfo) {

		this.formatName = imageInfo.getFormatName();

		this.mimeType = imageInfo.getMimeType();

		this.width = imageInfo.getWidth();

		this.height = imageInfo.getHeight();

		this.bitPerPixel = imageInfo.getBitsPerPixel();

	}

	public void readImageInfo(URI imageUri, Integer timeOut) throws IOException, HttpException{

		File image = null;

		InputStream inputStream;

		try {

			inputStream = UriUtils.getInputStream(imageUri);

			ImageInfo imageInfo = Sanselan.getImageInfo(inputStream, null);

			readImageInfo(imageInfo);

		} catch (IOException e) {

			logger.warn("Could not read: "+ imageUri.toString() + "; reason: "+e.getMessage());

			throw e;

		} catch (HttpException e) {

			logger.warn("Could not open url: "+ imageUri.toString() + "; reason: "+e.getMessage());

			throw e;

		} catch (ImageReadException e) {

			logger.error("Could not open url: " + imageUri + ". " + e.getMessage());

			throw new IOException(e);

		}

	}

	public void readMetaData(URI mediaUri, Integer timeOut) throws IOException, HttpException {

		readImageInfo(mediaUri, timeOut);

		try {

			InputStream inputStream = UriUtils.getInputStream(mediaUri);

			IImageMetadata mediaData = Sanselan.getMetadata(inputStream, null);

			if (mediaData != null){

				for (Object object : mediaData.getItems()){

					Item item = (Item) object;

					if (item.getKeyword().contains("/")){

						String key = item.getKeyword();

						//key.replace("/", "");

						int index = key.indexOf("/");

						key = key.substring(0, index);

						metaData.put(key, item.getText());

					}else{

						metaData.put(item.getKeyword(), item.getText());

					}

				}

			}

		} catch (ImageReadException e) {

			logger.warn(e.getLocalizedMessage());

			throw new IOException(e);

		} catch (IOException e) {

			logger.warn("The image server is not available!");

			throw e;

		}

	}

	public static ImageMetaData newInstance() {

		return new ImageMetaData();

	}

}