src/org/openmeetings/utils/image/ImageUtility.java

/*
 * 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.openmeetings.utils.image;

import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.imageio.ImageIO;


	
public class ImageUtility {

	 static {ImageIO.setUseCache(false);}

	 public static java.awt.image.BufferedImage read(java.io.InputStream in) throws IOException {
	        java.awt.image.BufferedImage image = null;  
	        image = ImageIO.read(in);
	        if (image == null)
	            throw new java.io.IOException("Read fails");                  
	        return image;
	    }
	 
	    public static BufferedImage read(byte[] bytes) {
	        try {
	            return read(new ByteArrayInputStream(bytes));
	        } catch (IOException e) {
	            e.getStackTrace();
	            return null;
	        }
	    } 

	    public static byte[] toByteArray(BufferedImage image) {
	        try {
	            ByteArrayOutputStream out = new ByteArrayOutputStream();
	            ImageIO.write(image, "jpeg", out); // write without compression                                
	            return out.toByteArray();
	        } catch (IOException e) {
	            throw new RuntimeException(e);
	        }
	    }

	}