--- /dev/null 2019-11-20 11:10:22.000000000 -0500 +++ new/test/jdk/tools/jpackage/apps/image/Hello.java 2019-11-20 11:10:20.764745500 -0500 @@ -0,0 +1,177 @@ +/* + * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +import java.awt.AWTError; +import java.awt.Desktop; +import java.awt.GraphicsEnvironment; +import java.awt.desktop.OpenFilesEvent; +import java.awt.desktop.OpenFilesHandler; +import java.io.File; +import java.io.IOException; +import java.io.PrintWriter; +import java.io.StringWriter; +import java.nio.file.Path; +import java.nio.file.Files; +import java.util.stream.Collectors; +import java.util.List; +import java.util.ArrayList; +import java.util.stream.Stream; +import java.util.Collections; + +public class Hello implements OpenFilesHandler { + + public static void main(String[] args) throws IOException, InterruptedException { + var faFiles = getFaFiles(); + if (faFiles != null) { + // Some files got opened through fa mechanizm. + // They are the arguments then. + args = faFiles.toArray(String[]::new); + } + + var lines = printArgs(args); + + lines.forEach(System.out::println); + + var outputFile = getOutputFile(args); + trace(String.format("Output file: [%s]", outputFile)); + Files.write(outputFile, lines); + } + + private static List printArgs(String[] args) { + List lines = new ArrayList<>(); + lines.add(MSG); + + lines.add("args.length: " + args.length); + + lines.addAll(List.of(args)); + + for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { + String value = System.getProperty("param" + index); + if (value != null) { + lines.add("-Dparam" + index + "=" + value); + } + } + + return lines; + } + + private static Path getOutputFile(String[] args) { + Path outputFilePath = Path.of("appOutput.txt"); + + // If first arg is a file (most likely from fa), then put output in the same folder as + // the file from fa. + if (args.length >= 1) { + Path faPath = Path.of(args[0]); + if (Files.exists(faPath)) { + return faPath.toAbsolutePath().getParent().resolve(outputFilePath); + } + } + + try { + // Try writing in the default output file. + Files.write(outputFilePath, Collections.emptyList()); + return outputFilePath; + } catch (IOException ex) { + // Log reason of a failure. + StringWriter errors = new StringWriter(); + ex.printStackTrace(new PrintWriter(errors)); + Stream.of(errors.toString().split("\\R")).forEachOrdered(Hello::trace); + } + + return Path.of(System.getProperty("user.home")).resolve(outputFilePath); + } + + @Override + public void openFiles(OpenFilesEvent e) { + synchronized(lock) { + trace("openFiles"); + files = e.getFiles().stream() + .map(File::toString) + .collect(Collectors.toList()); + + lock.notifyAll(); + } + } + + private static List getFaFiles() throws InterruptedException { + if (openFilesHandler == null) { + return null; + } + + synchronized(openFilesHandler.lock) { + trace("getFaFiles: wait"); + openFilesHandler.lock.wait(1000); + if (openFilesHandler.files == null) { + trace(String.format("getFaFiles: no files")); + return null; + } + // Return copy of `files` to keep access to `files` field synchronized. + trace(String.format("getFaFiles: file count %d", + openFilesHandler.files.size())); + return new ArrayList<>(openFilesHandler.files); + } + } + + private List files; + private final Object lock = new Object(); + private final static Hello openFilesHandler = createInstance(); + + private static Hello createInstance() { + if (GraphicsEnvironment.isHeadless()) { + return null; + } + + trace("Environment supports a display"); + + try { + // Disable JAB. + // Needed to suppress error: + // Exception in thread "main" java.awt.AWTError: Assistive Technology not found: com.sun.java.accessibility.AccessBridge + System.setProperty("javax.accessibility.assistive_technologies", ""); + } catch (SecurityException ex) { + ex.printStackTrace(); + } + + try { + var desktop = Desktop.getDesktop(); + if (desktop.isSupported(Desktop.Action.APP_OPEN_FILE)) { + trace("Set file handler"); + Hello instance = new Hello(); + desktop.setOpenFileHandler(instance); + return instance; + } + } catch (AWTError ex) { + trace("Set file handler failed"); + ex.printStackTrace(); + } + + return null; + } + + private static final String MSG = "jpackage test application"; + private static final int EXPECTED_NUM_OF_PARAMS = 3; // Starts at 1 + + private static void trace(String msg) { + System.out.println("hello: " + msg); + } +}