Here you can find the source of dumpFile(String r_file, OutputStream outputstream)
public static boolean dumpFile(String r_file, OutputStream outputstream)
//package com.java2s; /**/*from w w w .ja va 2s .co m*/ * 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. */ import java.io.FileInputStream; import java.io.OutputStream; public class Main { public static boolean dumpFile(String r_file, OutputStream outputstream) { byte abyte0[] = new byte[4096]; boolean flag = true; FileInputStream fiStream = null; try { fiStream = new FileInputStream(r_file); int i; while ((i = fiStream.read(abyte0)) != -1) outputstream.write(abyte0, 0, i); fiStream.close(); } catch (Exception ex) { try { if (fiStream != null) fiStream.close(); } catch (Exception ex1) { } flag = false; } finally { try { if (fiStream != null) fiStream.close(); } catch (Exception ex2) { } } return flag; } }