Here you can find the source of copy(String source, String destinction)
public static void copy(String source, String destinction) throws IOException
//package com.java2s; /***************************************************************************** * * * This file is part of the tna framework distribution. * * Documentation and updates may be get from biaoping.yin the author of * * this framework * * * * Sun Public License Notice: * * * * The contents of this file are subject to the Sun Public License Version * * 1.0 (the "License"); you may not use this file except in compliance with * * the License. A copy of the License is available at http://www.sun.com * * * * The Original Code is tag. The Initial Developer of the Original * * Code is biaoping yin. Portions created by biaoping yin are Copyright * * (C) 2000. All Rights Reserved. * * * * GNU Public License Notice: * * * * Alternatively, the contents of this file may be used under the terms of * * the GNU Lesser General Public License (the "LGPL"), in which case the * * provisions of LGPL are applicable instead of those above. If you wish to * * allow use of your version of this file only under the terms of the LGPL * * and not to allow others to use your version of this file under the SPL, * * indicate your decision by deleting the provisions above and replace * * them with the notice and other provisions required by the LGPL. If you * * do not delete the provisions above, a recipient may use your version of * * this file under either the SPL or the LGPL. * * * * biaoping.yin (yin-bp@163.com) * * Author of Learning Java * * * *****************************************************************************/ import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; public class Main { public static void copy(File sourceFile, String destinction) throws IOException { // File sourceFile = new File(source); if (!sourceFile.exists()) return; File dest_f = new File(destinction); if (!dest_f.exists()) dest_f.mkdirs();//from w w w . j a va2 s. c o m if (sourceFile.isDirectory()) { java.io.File[] files = sourceFile.listFiles(); for (int i = 0; files != null && i < files.length; i++) { File temp = files[i]; if (temp.isDirectory()) { String fileName = temp.getName(); copy(temp, destinction + "/" + fileName); } else { fileCopy(temp.getAbsolutePath(), destinction + "/" + temp.getName()); } } } else { File destinctionFile = new File(destinction); if (!destinctionFile.exists()) { destinctionFile.mkdirs(); } String dest = destinction + "/" + sourceFile.getName(); fileCopy(sourceFile, dest); } // File destinctionFile = new File(destinction); // if (destinctionFile.exists()) // ; } public static void copy(String source, String destinction) throws IOException { File sourceFile = new File(source); copy(sourceFile, destinction); } public static void fileCopy(String sourcefile, String destinctionFile) throws IOException { fileCopy(new File(sourcefile), destinctionFile); } public static void fileCopy(File sourcefile, String destinctionFile) throws IOException { FileInputStream stFileInputStream = null; FileOutputStream stFileOutputStream = null; try { makeFile(destinctionFile); stFileInputStream = new FileInputStream(sourcefile); stFileOutputStream = new FileOutputStream(destinctionFile); int arraySize = 1024; byte buffer[] = new byte[arraySize]; int bytesRead; while ((bytesRead = stFileInputStream.read(buffer)) != -1) { stFileOutputStream.write(buffer, 0, bytesRead); } } catch (Exception e) { e.printStackTrace(); } finally { if (stFileInputStream != null) try { stFileInputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (stFileOutputStream != null) try { stFileOutputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static void fileCopy(File sourcefile, File destinctionFile) throws IOException { FileInputStream stFileInputStream = null; FileOutputStream stFileOutputStream = null; try { // makeFile(destinctionFile); stFileInputStream = new FileInputStream(sourcefile); stFileOutputStream = new FileOutputStream(destinctionFile); int arraySize = 1024; byte buffer[] = new byte[arraySize]; int bytesRead; while ((bytesRead = stFileInputStream.read(buffer)) != -1) { stFileOutputStream.write(buffer, 0, bytesRead); } } catch (Exception e) { e.printStackTrace(); } finally { if (stFileInputStream != null) try { stFileInputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (stFileOutputStream != null) try { stFileOutputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static void makeFile(String destinctionFile) { File f = new File(destinctionFile); File pf = f.getParentFile(); if (f.exists()) return; if (!pf.exists()) { pf.mkdirs(); } try { f.createNewFile(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static StringBuffer read(String file) throws Exception { BufferedReader in = null; StringBuffer sb = new StringBuffer(); String s = null; StringBuffer stringbuffer; try { in = new BufferedReader(new FileReader(file)); while ((s = in.readLine()) != null) sb.append(s).append('\n'); stringbuffer = sb; } finally { if (in != null) in.close(); } return stringbuffer; } public static File createNewFile(String filePath) { File file = new File(filePath); if (file.exists()) return file; File dir = file.getParentFile(); if (!dir.exists()) dir.mkdirs(); try { file.createNewFile(); return file; } catch (IOException e) { e.printStackTrace(); } return file; } }