content: /*
   * Copyright (C) 2012 Lightbox
   *
   * Licensed 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 com.zhaojian.jolly.utils;
  
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  
  /**
   * FileUtils
   * 
   * @author Nilesh Patel
   */
  public class FileUtils {
  	/** Used to tag logs */
  	@SuppressWarnings("unused")
  	private static final String TAG = "FileUtils";
  
  	public static byte[] readFileToByteArray(File file) throws IOException {
  		InputStream inputStream = null;
  		try {
  			inputStream = new FileInputStream(file);
  			ByteArrayOutputStream output = new ByteArrayOutputStream((int) file.length());
  			byte[] buffer = new byte[1024 * 4];
  			int n = 0;
  			while (-1 != (n = inputStream.read(buffer))) {
  				output.write(buffer, 0, n);
  			}
  			return output.toByteArray();
  		} finally {
  			try {
  				if (inputStream != null) {
  					inputStream.close();
  				}
  			} catch (IOException e) {
  				// Do nothing
  			}
  		}
  	}
  }
  