bundles/org.eclipse.e4.ui.web/src/org/eclipse/e4/ui/internal/web/E4BrowserUtil.java

/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hatem, IBM Corporation - initial API and implementation
 *     Boris Bokowski, IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.e4.ui.internal.web;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class E4BrowserUtil {
	
	public static byte[] getBytesFromFile(File file) throws IOException {
        InputStream is = new FileInputStream(file);
        long length = file.length();  
        byte[] bytes = new byte[(int)length];
        int offset = 0;
        int numRead = 0;
        while (offset < bytes.length
               && (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
            offset += numRead;
        }
        if (offset < bytes.length) {
            throw new IOException("File read incomplete"+file.getName());
        }
        is.close();
        return bytes;
    }

	public static byte[] getBytesFromStream(InputStream is) throws IOException {
		int BUFFER_SIZE = 8192;
		byte[] buffer = new byte[BUFFER_SIZE];
		ByteArrayOutputStream os = new ByteArrayOutputStream();
		int numRead = 0;
		while ((numRead = is.read(buffer)) > 0) {
			os.write(buffer, 0, numRead);
		}
		return os.toByteArray();
	}
	
}