Description
Recursively copies the resources specified by the given URL to the destination folder.
License
Open Source License
Parameter
Parameter | Description |
---|
source | The resource to be copied (file or folder). |
destination | The destination folder to copy the resource to. |
Exception
Parameter | Description |
---|
IOException | If the resource couldn't be copied. |
Declaration
public static void copyResources(final URL source, final Path destination) throws IOException
Method Source Code
//package com.java2s;
/*/*from ww w. ja va 2 s.c om*/
* Copyright (c) 2006-2015 DMDirc Developers
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.CopyOption;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.HashMap;
import java.util.Map;
public class Main {
/**
* Recursively copies the resources specified by the given URL to the destination folder.
* Existing files will be replaced.
*
* @param source The resource to be copied (file or folder).
* @param destination The destination folder to copy the resource to.
* @throws IOException If the resource couldn't be copied.
*/
public static void copyResources(final URL source, final Path destination) throws IOException {
doCopyResources(source, destination, false);
}
private static void doCopyResources(final URL source, final Path destination, final boolean contents)
throws IOException {
try {
final String path = source.toURI().toString();
final int index = path.indexOf("!/");
if (index > -1) {
final String file = path.substring(0, index);
final Map<String, String> env = new HashMap<>();
try (final FileSystem fs = FileSystems.newFileSystem(URI.create(file), env)) {
doCopyRecursively(fs.getPath(path.substring(index + 2)), destination, contents,
StandardCopyOption.REPLACE_EXISTING);
}
} else {
doCopyRecursively(Paths.get(source.toURI()), destination, contents,
StandardCopyOption.REPLACE_EXISTING);
}
} catch (URISyntaxException ex) {
throw new IOException("Unable to get source URI", ex);
}
}
private static void doCopyRecursively(final Path source, final Path destination, final boolean contents,
final CopyOption... options) throws IOException {
final Path destinationPath;
if (contents) {
destinationPath = destination;
} else {
destinationPath = destination.resolve(source.getFileName().toString());
}
if (Files.isDirectory(source)) {
Files.createDirectories(destinationPath);
try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(source)) {
for (Path path : directoryStream) {
copyRecursively(path, destinationPath, options);
}
}
} else {
Files.copy(source, destinationPath, options);
}
}
/**
* Recursively copies one path to another. Once complete, a deep copy of the source file or
* folder will be present in the destination directory.
*
* @param source The path that should be copied.
* @param destination The directory to place copied files in.
* @param options Options to use when copying.
* @throws IOException If any files couldn't be copied.
*/
public static void copyRecursively(final Path source, final Path destination, final CopyOption... options)
throws IOException {
doCopyRecursively(source, destination, false, options);
}
}
Related
- copyRecursively(final Path source, final Path destination, final CopyOption... options)
- copyRecursively(Path source, Path target, AtomicLong bytesCounter, CopyOption... copyOptions)
- copyRecursivelyHelper(Path source, Path target, AtomicLong bytesCounter, CopyOption... copyOptions)
- copyResource(String resourceLocation, Path target)
- copyResource(String source, Path target, Class> cls)
- copyToDir(Path source, Path targetDir, CopyOption... options)
- copyTree(final Path source, final Path target)
- createDirectories(Path currentRestorePath)
- createDirectories(Path path, FileAttribute>... attrs)