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This is the core-module of OpenKeyWord. This module is automatically integrated by the adapters. In GUI automation, the core module is automatically integrated by the GUI modules (dependencies).
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/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package okw;
import java.nio.file.*;
import static java.nio.file.StandardCopyOption.*;
import java.nio.file.attribute.*;
import static java.nio.file.FileVisitResult.*;
import java.io.IOException;
import java.util.*;
/**
* Sample code that copies files in a similar manner to the cp(1) program.
*/
public class Copy {
/**
* Returns {@code true} if okay to overwrite a file ("cp -i")
*/
static boolean okayToOverwrite(Path file) {
String answer = System.console().readLine("overwrite %s (yes/no)? ", file);
return (answer.equalsIgnoreCase("y") || answer.equalsIgnoreCase("yes"));
}
/**
* Copy source file to target location. If {@code prompt} is true then
* prompt user to overwrite target if it exists. The {@code preserve}
* parameter determines if file attributes should be copied/preserved.
*/
static void copyFile(Path source, Path target, boolean prompt, boolean preserve) {
CopyOption[] options = (preserve) ? new CopyOption[] { COPY_ATTRIBUTES, REPLACE_EXISTING }
: new CopyOption[] { REPLACE_EXISTING };
if (!prompt || Files.notExists(target) || okayToOverwrite(target)) {
try {
Files.copy(source, target, options);
} catch (IOException x) {
System.err.format("Unable to copy: %s: %s%n", source, x);
}
}
}
/**
* A {@code FileVisitor} that copies a file-tree ("cp -r")
*/
static class TreeCopier implements FileVisitor {
private final Path source;
private final Path target;
private final boolean prompt;
private final boolean preserve;
TreeCopier(Path source, Path target, boolean prompt, boolean preserve) {
this.source = source;
this.target = target;
this.prompt = prompt;
this.preserve = preserve;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
// before visiting entries in a directory we copy the directory
// (okay if directory already exists).
CopyOption[] options = (preserve) ? new CopyOption[] { COPY_ATTRIBUTES } : new CopyOption[0];
Path newdir = target.resolve(source.relativize(dir));
try {
Files.copy(dir, newdir, options);
} catch (FileAlreadyExistsException x) {
// ignore
} catch (IOException x) {
System.err.format("Unable to create: %s: %s%n", newdir, x);
return SKIP_SUBTREE;
}
return CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
copyFile(file, target.resolve(source.relativize(file)), prompt, preserve);
return CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
// fix up modification time of directory when done
if (exc == null && preserve) {
Path newdir = target.resolve(source.relativize(dir));
try {
FileTime time = Files.getLastModifiedTime(dir);
Files.setLastModifiedTime(newdir, time);
} catch (IOException x) {
System.err.format("Unable to copy all attributes to: %s: %s%n", newdir, x);
}
}
return CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) {
if (exc instanceof FileSystemLoopException) {
System.err.println("cycle detected: " + file);
} else {
System.err.format("Unable to copy: %s: %s%n", file, exc);
}
return CONTINUE;
}
}
static void usage() {
System.err.println("java Copy [-ip] source... target");
System.err.println("java Copy -r [-ip] source-dir... target");
System.exit(-1);
}
public static void main(String[] args) throws IOException {
boolean recursive = false;
boolean prompt = false;
boolean preserve = false;
// process options
int argi = 0;
while (argi < args.length) {
String arg = args[argi];
if (!arg.startsWith("-"))
break;
if (arg.length() < 2)
usage();
for (int i = 1; i < arg.length(); i++) {
char c = arg.charAt(i);
switch (c) {
case 'r':
recursive = true;
break;
case 'i':
prompt = true;
break;
case 'p':
preserve = true;
break;
default:
usage();
}
}
argi++;
}
// remaining arguments are the source files(s) and the target location
int remaining = args.length - argi;
if (remaining < 2)
usage();
Path[] source = new Path[remaining - 1];
int i = 0;
while (remaining > 1) {
source[i++] = Paths.get(args[argi++]);
remaining--;
}
Path target = Paths.get(args[argi]);
// check if target is a directory
boolean isDir = Files.isDirectory(target);
// copy each source file/directory to target
for (i = 0; i < source.length; i++) {
Path dest = (isDir) ? target.resolve(source[i].getFileName()) : target;
if (recursive) {
// follow links when copying files
EnumSet opts = EnumSet.of(FileVisitOption.FOLLOW_LINKS);
TreeCopier tc = new TreeCopier(source[i], dest, prompt, preserve);
Files.walkFileTree(source[i], opts, Integer.MAX_VALUE, tc);
} else {
// not recursive so source must not be a directory
if (Files.isDirectory(source[i])) {
System.err.format("%s: is a directory%n", source[i]);
continue;
}
copyFile(source[i], dest, prompt, preserve);
}
}
}
}