Java tutorial
/* * Copyright 2018 Red Hat, Inc. and/or its affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.kie.workbench.common.migration.cli; import java.io.IOException; import java.io.PrintStream; import java.nio.file.CopyOption; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.FileAttribute; import java.util.Formatter; import java.util.Scanner; import javax.enterprise.context.ApplicationScoped; import org.apache.commons.io.FileUtils; @ApplicationScoped public class RealSystemAccess implements SystemAccess { @Override public <T> T exit(int status) { System.exit(status); throw new IllegalStateException("Unable to successfully exit."); } @Override public Console console() { return new Console() { final Formatter formatter = new Formatter(System.out); @Override public void format(String fmt, Object... args) { formatter.format(fmt, args); } @Override public String readLine(String promptFmt, Object... args) { formatter.format(promptFmt, args); @SuppressWarnings("resource") Scanner scanner = new Scanner(System.in); return scanner.nextLine(); } }; } @Override public Path currentWorkingDirectory() { return Paths.get(".").toAbsolutePath().normalize(); } @Override public PrintStream err() { return System.err; } @Override public PrintStream out() { return System.out; } @Override public void setProperty(String name, String value) { System.setProperty(name, value); } @Override public Path move(Path source, Path target, CopyOption... options) throws IOException { return Files.move(source, target, options); } @Override public void copyDirectory(Path source, Path target) throws IOException { FileUtils.copyDirectory(source.toFile(), target.toFile()); } @Override public Path createDirectory(Path dir, FileAttribute<?>... attrs) throws IOException { return Files.createDirectory(dir, attrs); } @Override public Path createTemporaryDirectory(String prefix, FileAttribute<?>... attrs) throws IOException { return Files.createTempDirectory(prefix, attrs); } @Override public void recursiveDelete(Path tmpNiogit) throws IOException { FileUtils.deleteDirectory(tmpNiogit.toFile()); } }