| /****************************************************************************** |
| * Copyright (c) 2002, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.common.core.util; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Utility class for copying files and folders |
| * |
| * @author gsturov |
| * @canBeSeenBy %partners |
| */ |
| public class FileCopyUtil { |
| |
| /** |
| * Private constructor |
| */ |
| private FileCopyUtil() { |
| /* empty method body */ |
| } |
| |
| /** |
| * Copies the contents of a source folder to a target folder |
| * |
| * @param sourceFolder |
| * the source folder |
| * @param targetFolder |
| * the target folder |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| public static void copyFolder(String sourceFolder, String targetFolder) |
| throws FileNotFoundException, IOException { |
| assert (new File(sourceFolder).isDirectory()); |
| assert (new File(targetFolder).isDirectory()); |
| |
| File source = new File(sourceFolder); |
| String[] files = source.list(); |
| for (int i = 0; i < files.length; i++) { |
| File f = new File(sourceFolder + File.separator + files[i]); |
| if (f.isDirectory()) |
| copyFolder(sourceFolder, targetFolder, files[i]); |
| else |
| copyFile(sourceFolder, targetFolder, files[i]); |
| } |
| } |
| |
| /** |
| * Copies a source file to a target folder |
| * |
| * @param sourceFile |
| * the source file |
| * @param targetFolder |
| * the target folder |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| public static void copyFile(String sourceFile, String targetFolder) |
| throws FileNotFoundException, IOException { |
| assert (new File(sourceFile).isFile()); |
| assert (new File(targetFolder).isDirectory()); |
| |
| File source = new File(sourceFile); |
| copyFile(source.getParent(), targetFolder, source.getName()); |
| } |
| |
| /** |
| * Copies a folder in a source folder to a target folder |
| * |
| * @param sourceFolder |
| * the source folder |
| * @param targetFolder |
| * the target folder |
| * @param name |
| * the folder to copy |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| private static void copyFolder(String sourceFolder, String targetFolder, |
| String name) |
| throws FileNotFoundException, IOException { |
| File target = new File(targetFolder + File.separator + name); |
| target.mkdir(); |
| copyFolder(sourceFolder + File.separator + name, targetFolder |
| + File.separator + name); |
| } |
| |
| /** |
| * Copies a file in a source folder to a target folder |
| * |
| * @param sourceFolder |
| * the source folder |
| * @param targetFolder |
| * the target folder |
| * @param name |
| * the file to copy |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| private static void copyFile(String sourceFolder, String targetFolder, |
| String name) |
| throws FileNotFoundException, IOException { |
| copyFile(sourceFolder, targetFolder, name, name); |
| } |
| |
| /** |
| * Copies a file in a source folder to a target folder |
| * |
| * @param sourceFolder |
| * the source folder |
| * @param targetFolder |
| * the target folder |
| * @param sourceName |
| * of the source file to copy |
| * @param targetName |
| * of the destination file to copy to |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| public static void copyFile(String sourceFolder, String targetFolder, |
| String sourceName, String targetName) |
| throws FileNotFoundException, IOException { |
| InputStream is = new FileInputStream(sourceFolder + File.separator |
| + sourceName); |
| OutputStream os = new FileOutputStream(targetFolder + File.separator |
| + targetName); |
| byte[] buffer = new byte[102400]; |
| while (true) { |
| int len = is.read(buffer); |
| if (len < 0) |
| break; |
| os.write(buffer, 0, len); |
| } |
| is.close(); |
| os.close(); |
| } |
| } |