src/jdk.jpackage/share/classes/jdk/jpackage/internal/IOUtils.java
branchJDK-8200758-branch
changeset 58994 b09ba68c6a19
parent 58993 b5e1baa9d2c3
child 58995 de1413ae214c
--- a/src/jdk.jpackage/share/classes/jdk/jpackage/internal/IOUtils.java	Wed Nov 06 07:20:07 2019 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,335 +0,0 @@
-/*
- * Copyright (c) 2012, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package jdk.jpackage.internal;
-
-import java.io.*;
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.nio.channels.FileChannel;
-import java.nio.file.FileVisitResult;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.SimpleFileVisitor;
-import java.nio.file.attribute.BasicFileAttributes;
-import java.util.*;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-
-/**
- * IOUtils
- *
- * A collection of static utility methods.
- */
-public class IOUtils {
-
-    public static void deleteRecursive(File path) throws IOException {
-        if (!path.exists()) {
-            return;
-        }
-        Path directory = path.toPath();
-        Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
-            @Override
-            public FileVisitResult visitFile(Path file,
-                            BasicFileAttributes attr) throws IOException {
-                if (Platform.getPlatform() == Platform.WINDOWS) {
-                    Files.setAttribute(file, "dos:readonly", false);
-                }
-                Files.delete(file);
-                return FileVisitResult.CONTINUE;
-            }
-
-            @Override
-            public FileVisitResult preVisitDirectory(Path dir,
-                            BasicFileAttributes attr) throws IOException {
-                if (Platform.getPlatform() == Platform.WINDOWS) {
-                    Files.setAttribute(dir, "dos:readonly", false);
-                }
-                return FileVisitResult.CONTINUE;
-            }
-
-            @Override
-            public FileVisitResult postVisitDirectory(Path dir, IOException e)
-                            throws IOException {
-                Files.delete(dir);
-                return FileVisitResult.CONTINUE;
-            }
-        });
-    }
-
-    public static void copyRecursive(Path src, Path dest) throws IOException {
-        copyRecursive(src, dest, List.of());
-    }
-
-    public static void copyRecursive(Path src, Path dest,
-            final List<String> excludes) throws IOException {
-        Files.walkFileTree(src, new SimpleFileVisitor<Path>() {
-            @Override
-            public FileVisitResult preVisitDirectory(final Path dir,
-                    final BasicFileAttributes attrs) throws IOException {
-                if (excludes.contains(dir.toFile().getName())) {
-                    return FileVisitResult.SKIP_SUBTREE;
-                } else {
-                    Files.createDirectories(dest.resolve(src.relativize(dir)));
-                    return FileVisitResult.CONTINUE;
-                }
-            }
-
-            @Override
-            public FileVisitResult visitFile(final Path file,
-                    final BasicFileAttributes attrs) throws IOException {
-                if (!excludes.contains(file.toFile().getName())) {
-                    Files.copy(file, dest.resolve(src.relativize(file)));
-                }
-                return FileVisitResult.CONTINUE;
-            }
-        });
-    }
-
-    public static void copyFile(File sourceFile, File destFile)
-            throws IOException {
-        destFile.getParentFile().mkdirs();
-
-        //recreate the file as existing copy may have weird permissions
-        destFile.delete();
-        destFile.createNewFile();
-
-        try (FileChannel source = new FileInputStream(sourceFile).getChannel();
-            FileChannel destination =
-                    new FileOutputStream(destFile).getChannel()) {
-
-            if (destination != null && source != null) {
-                destination.transferFrom(source, 0, source.size());
-            }
-        }
-
-        //preserve executable bit!
-        if (sourceFile.canExecute()) {
-            destFile.setExecutable(true, false);
-        }
-        if (!sourceFile.canWrite()) {
-            destFile.setReadOnly();
-        }
-        destFile.setReadable(true, false);
-    }
-
-    // run "launcher paramfile" in the directory where paramfile is kept
-    public static void run(String launcher, File paramFile)
-            throws IOException {
-        if (paramFile != null && paramFile.exists()) {
-            ProcessBuilder pb =
-                    new ProcessBuilder(launcher, paramFile.getName());
-            pb = pb.directory(paramFile.getParentFile());
-            exec(pb);
-        }
-    }
-
-    public static void exec(ProcessBuilder pb)
-            throws IOException {
-        exec(pb, false, null);
-    }
-
-    static void exec(ProcessBuilder pb, boolean testForPresenseOnly,
-            PrintStream consumer) throws IOException {
-        List<String> output = new ArrayList<>();
-        Executor exec = Executor.of(pb).setOutputConsumer(lines -> {
-            lines.forEach(output::add);
-            if (consumer != null) {
-                output.forEach(consumer::println);
-            }
-        });
-
-        if (testForPresenseOnly) {
-            exec.execute();
-        } else {
-            exec.executeExpectSuccess();
-        }
-    }
-
-    public static int getProcessOutput(List<String> result, String... args)
-            throws IOException, InterruptedException {
-
-        ProcessBuilder pb = new ProcessBuilder(args);
-
-        final Process p = pb.start();
-
-        List<String> list = new ArrayList<>();
-
-        final BufferedReader in =
-                new BufferedReader(new InputStreamReader(p.getInputStream()));
-        final BufferedReader err =
-                new BufferedReader(new InputStreamReader(p.getErrorStream()));
-
-        Thread t = new Thread(() -> {
-            try {
-                String line;
-                while ((line = in.readLine()) != null) {
-                    list.add(line);
-                }
-            } catch (IOException ioe) {
-                Log.verbose(ioe);
-            }
-
-            try {
-                String line;
-                while ((line = err.readLine()) != null) {
-                    Log.error(line);
-                }
-            } catch (IOException ioe) {
-                  Log.verbose(ioe);
-            }
-        });
-        t.setDaemon(true);
-        t.start();
-
-        int ret = p.waitFor();
-
-        result.clear();
-        result.addAll(list);
-
-        return ret;
-    }
-
-    static void writableOutputDir(Path outdir) throws PackagerException {
-        File file = outdir.toFile();
-
-        if (!file.isDirectory() && !file.mkdirs()) {
-            throw new PackagerException("error.cannot-create-output-dir",
-                    file.getAbsolutePath());
-        }
-        if (!file.canWrite()) {
-            throw new PackagerException("error.cannot-write-to-output-dir",
-                    file.getAbsolutePath());
-        }
-    }
-
-    public static Path replaceSuffix(Path path, String suffix) {
-        Path parent = path.getParent();
-        String filename = path.getFileName().toString().replaceAll("\\.[^.]*$", "")
-                + Optional.ofNullable(suffix).orElse("");
-        return parent != null ? parent.resolve(filename) : Path.of(filename);
-    }
-
-    public static Path addSuffix(Path path, String suffix) {
-        Path parent = path.getParent();
-        String filename = path.getFileName().toString() + suffix;
-        return parent != null ? parent.resolve(filename) : Path.of(filename);
-    }
-
-    public static String getSuffix(Path path) {
-        String filename = replaceSuffix(path.getFileName(), null).toString();
-        return path.getFileName().toString().substring(filename.length());
-    }
-
-    @FunctionalInterface
-    public static interface XmlConsumer {
-        void accept(XMLStreamWriter xml) throws IOException, XMLStreamException;
-    }
-
-    public static void createXml(Path dstFile, XmlConsumer xmlConsumer) throws
-            IOException {
-        XMLOutputFactory xmlFactory = XMLOutputFactory.newInstance();
-        try (Writer w = Files.newBufferedWriter(dstFile)) {
-            // Wrap with pretty print proxy
-            XMLStreamWriter xml = (XMLStreamWriter) Proxy.newProxyInstance(
-                    XMLStreamWriter.class.getClassLoader(), new Class<?>[]{
-                XMLStreamWriter.class}, new PrettyPrintHandler(
-                    xmlFactory.createXMLStreamWriter(w)));
-
-            xml.writeStartDocument();
-            xmlConsumer.accept(xml);
-            xml.writeEndDocument();
-            xml.flush();
-            xml.close();
-        } catch (XMLStreamException ex) {
-            throw new IOException(ex);
-        } catch (IOException ex) {
-            throw ex;
-        }
-    }
-
-    private static class PrettyPrintHandler implements InvocationHandler {
-
-        PrettyPrintHandler(XMLStreamWriter target) {
-            this.target = target;
-        }
-
-        @Override
-        public Object invoke(Object proxy, Method method, Object[] args) throws
-                Throwable {
-            switch (method.getName()) {
-                case "writeStartElement":
-                    // update state of parent node
-                    if (depth > 0) {
-                        hasChildElement.put(depth - 1, true);
-                    }
-                    // reset state of current node
-                    hasChildElement.put(depth, false);
-                    // indent for current depth
-                    target.writeCharacters(EOL);
-                    target.writeCharacters(repeat(depth, INDENT));
-                    depth++;
-                    break;
-                case "writeEndElement":
-                    depth--;
-                    if (hasChildElement.get(depth) == true) {
-                        target.writeCharacters(EOL);
-                        target.writeCharacters(repeat(depth, INDENT));
-                    }
-                    break;
-                case "writeProcessingInstruction":
-                case "writeEmptyElement":
-                    // update state of parent node
-                    if (depth > 0) {
-                        hasChildElement.put(depth - 1, true);
-                    }
-                    // indent for current depth
-                    target.writeCharacters(EOL);
-                    target.writeCharacters(repeat(depth, INDENT));
-                    break;
-                default:
-                    break;
-            }
-            method.invoke(target, args);
-            return null;
-        }
-
-        private static String repeat(int d, String s) {
-            StringBuilder sb = new StringBuilder();
-            while (d-- > 0) {
-                sb.append(s);
-            }
-            return sb.toString();
-        }
-
-        private final XMLStreamWriter target;
-        private int depth = 0;
-        private final Map<Integer, Boolean> hasChildElement = new HashMap<>();
-        private static final String INDENT = "  ";
-        private static final String EOL = "\n";
-    }
-}