Here you can find the source of copyFile(File sourceFile, File destinationFile)
Parameter | Description |
---|---|
sourceFile | the source file's location |
destinationFile | the destination file's location |
Parameter | Description |
---|---|
IOException | thrown if the file cannot be copied |
public static void copyFile(File sourceFile, File destinationFile) throws IOException
//package com.java2s; /**/*from w ww. j a va2 s . com*/ * Copyright (C) 2014 OpenTravel Alliance (info@opentravel.org) * * 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. */ import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** * Copies the specified source file's content to the destination file's location. If the * destination file already exists, it will be overwritten. * * @param sourceFile * the source file's location * @param destinationFile * the destination file's location * @throws IOException * thrown if the file cannot be copied */ public static void copyFile(File sourceFile, File destinationFile) throws IOException { InputStream in = null; OutputStream out = null; try { if (!destinationFile.getParentFile().exists()) { destinationFile.getParentFile().mkdirs(); } in = new FileInputStream(sourceFile); out = new FileOutputStream(destinationFile); byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = in.read(buffer)) >= 0) { out.write(buffer, 0, bytesRead); } } finally { try { if (in != null) in.close(); } catch (Throwable t) { } try { if (out != null) out.close(); } catch (Throwable t) { } } } }