Here you can find the source of copyFile(File srcFile, File destFile)
| Parameter | Description |
|---|---|
| srcFile | source file |
| destFile | target file |
| Parameter | Description |
|---|---|
| IOException | an exception |
public static void copyFile(File srcFile, File destFile) throws IOException
//package com.java2s; /*/* ww w . j a v a2s . co m*/ * This file is part of Pustefix. * * Pustefix is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Pustefix is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Pustefix; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class Main { /** * Copies a source file to a target file. * * @param srcFile source file * @param destFile target file * @throws IOException */ public static void copyFile(File srcFile, File destFile) throws IOException { if (!(srcFile.exists() && srcFile.isFile())) throw new IllegalArgumentException("Source file doesn't exist: " + srcFile.getAbsolutePath()); if (destFile.exists() && destFile.isDirectory()) throw new IllegalArgumentException("Destination file is directory: " + destFile.getAbsolutePath()); FileInputStream in = new FileInputStream(srcFile); FileOutputStream out = new FileOutputStream(destFile); byte[] buffer = new byte[4096]; int no = 0; try { while ((no = in.read(buffer)) != -1) out.write(buffer, 0, no); } finally { in.close(); out.close(); } } }