Example usage for java.nio.file.attribute PosixFileAttributeView setPermissions

Introduction

In this page you can find the example usage for java.nio.file.attribute PosixFileAttributeView setPermissions.

Prototype

void setPermissions(Set<PosixFilePermission> perms) throws IOException;

Source Link

Document

Updates the file permissions.

Usage

From source file:Main.java

public static void updatePermissions(PosixFileAttributeView posixView) throws Exception {
    Set<PosixFilePermission> permissions = EnumSet.of(PosixFilePermission.OWNER_READ,
            PosixFilePermission.OWNER_WRITE, PosixFilePermission.GROUP_READ);
    posixView.setPermissions(permissions);
    System.out.println("Permissions set successfully.");
}

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From source file:Test.java

private static void removePermission(Path path, PosixFilePermission permission) throws Exception {
    System.out.println("\nRemoving permission for " + path.getFileName());
    PosixFileAttributeView view = Files.getFileAttributeView(path, PosixFileAttributeView.class);

    PosixFileAttributes attributes = view.readAttributes();

    Set<PosixFilePermission> permissions = attributes.permissions();
    permissions.remove(permission);//from  w w w. ja v a2s . c o m

    view.setPermissions(permissions);
    System.out.println();
}

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From source file:com.arturmkrtchyan.kafka.util.TarUnpacker.java

protected void setPermissions(final int mode, final Path path) throws IOException {
    final PosixFileAttributeView attributeView = Files.getFileAttributeView(path, PosixFileAttributeView.class);
    if (attributeView != null) {
        attributeView.setPermissions(PosixFilePermissionConverter.convertToPermissionsSet(mode));
    }/*  w  ww.j a va 2  s. co m*/
}

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From source file:com.google.cloud.tools.managedcloudsdk.install.TarGzExtractorProvider.java

@Override
public void extract(Path archive, Path destination, ProgressListener progressListener) throws IOException {

    progressListener.start("Extracting archive: " + archive.getFileName(), ProgressListener.UNKNOWN);

    String canonicalDestination = destination.toFile().getCanonicalPath();

    GzipCompressorInputStream gzipIn = new GzipCompressorInputStream(Files.newInputStream(archive));
    try (TarArchiveInputStream in = new TarArchiveInputStream(gzipIn)) {
        TarArchiveEntry entry;// ww  w .j  av  a2  s  . com
        while ((entry = in.getNextTarEntry()) != null) {
            Path entryTarget = destination.resolve(entry.getName());

            String canonicalTarget = entryTarget.toFile().getCanonicalPath();
            if (!canonicalTarget.startsWith(canonicalDestination + File.separator)) {
                throw new IOException("Blocked unzipping files outside destination: " + entry.getName());
            }

            progressListener.update(1);
            logger.fine(entryTarget.toString());

            if (entry.isDirectory()) {
                if (!Files.exists(entryTarget)) {
                    Files.createDirectories(entryTarget);
                }
            } else if (entry.isFile()) {
                if (!Files.exists(entryTarget.getParent())) {
                    Files.createDirectories(entryTarget.getParent());
                }
                try (OutputStream out = new BufferedOutputStream(Files.newOutputStream(entryTarget))) {
                    IOUtils.copy(in, out);
                    PosixFileAttributeView attributeView = Files.getFileAttributeView(entryTarget,
                            PosixFileAttributeView.class);
                    if (attributeView != null) {
                        attributeView.setPermissions(PosixUtil.getPosixFilePermissions(entry.getMode()));
                    }
                }
            } else {
                // we don't know what kind of entry this is (we only process directories and files).
                logger.warning("Skipping entry (unknown type): " + entry.getName());
            }
        }
        progressListener.done();
    }
}

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From source file:com.google.cloud.tools.managedcloudsdk.install.ZipExtractorProvider.java

@Override
public void extract(Path archive, Path destination, ProgressListener progressListener) throws IOException {

    progressListener.start("Extracting archive: " + archive.getFileName(), ProgressListener.UNKNOWN);

    String canonicalDestination = destination.toFile().getCanonicalPath();

    // Use ZipFile instead of ZipArchiveInputStream so that we can obtain file permissions
    // on unix-like systems via getUnixMode(). ZipArchiveInputStream doesn't have access to
    // all the zip file data and will return "0" for any call to getUnixMode().
    try (ZipFile zipFile = new ZipFile(archive.toFile())) {
        // TextProgressBar progressBar = textBarFactory.newProgressBar(messageListener, count);
        Enumeration<ZipArchiveEntry> zipEntries = zipFile.getEntries();
        while (zipEntries.hasMoreElements()) {
            ZipArchiveEntry entry = zipEntries.nextElement();
            Path entryTarget = destination.resolve(entry.getName());

            String canonicalTarget = entryTarget.toFile().getCanonicalPath();
            if (!canonicalTarget.startsWith(canonicalDestination + File.separator)) {
                throw new IOException("Blocked unzipping files outside destination: " + entry.getName());
            }//ww w  .  j a v  a2 s. c  om

            progressListener.update(1);
            logger.fine(entryTarget.toString());

            if (entry.isDirectory()) {
                if (!Files.exists(entryTarget)) {
                    Files.createDirectories(entryTarget);
                }
            } else {
                if (!Files.exists(entryTarget.getParent())) {
                    Files.createDirectories(entryTarget.getParent());
                }
                try (OutputStream out = new BufferedOutputStream(Files.newOutputStream(entryTarget))) {
                    try (InputStream in = zipFile.getInputStream(entry)) {
                        IOUtils.copy(in, out);
                        PosixFileAttributeView attributeView = Files.getFileAttributeView(entryTarget,
                                PosixFileAttributeView.class);
                        if (attributeView != null) {
                            attributeView
                                    .setPermissions(PosixUtil.getPosixFilePermissions(entry.getUnixMode()));
                        }
                    }
                }
            }
        }
    }
    progressListener.done();
}

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From source file:io.jmnarloch.cd.go.plugin.gradle.GradleTaskConfigParser.java

/**
 * Adds the executable file permission./*from  w  w  w . ja v  a 2s .co  m*/
 *
 * @param file the path to the file
 */
private void addExecutablePermission(String file) {
    final Path path = Paths.get(file);
    if (Files.exists(path)) {
        try {
            PosixFileAttributeView attr = Files.getFileAttributeView(path, PosixFileAttributeView.class);
            Set<PosixFilePermission> permissions = attr.readAttributes().permissions();
            if (permissions.add(PosixFilePermission.OWNER_EXECUTE)) {
                logger.info(String.format("Added +x permission to file: %s", file));
            }
            attr.setPermissions(permissions);
        } catch (IOException e) {
            logger.error(String.format("Failed to add the executable permissions to file: %s", file));
        }
    }
}

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