Example usage for org.apache.commons.vfs2 FileObject setExecutable

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject setExecutable.

Prototype

boolean setExecutable(boolean executable, boolean ownerOnly) throws FileSystemException;

Source Link

Document

Sets the owner's (or everybody's) write permission.

Usage

From source file:sf.net.experimaestro.connectors.UnixScriptProcessBuilder.java

@Override
final public XPMProcess start() throws LaunchException, IOException {
    final FileObject runFile = connector.resolveFile(path);
    final FileObject basepath = runFile.getParent();
    final String baseName = runFile.getName().getBaseName();

    try (CommandContext env = new CommandContext.FolderContext(connector, basepath, baseName)) {
        // Prepare the commands
        commands().prepare(env);/* ww  w.  j  a v  a 2  s. c om*/

        // First generate the run file
        PrintWriter writer = new PrintWriter(runFile.getContent().getOutputStream());

        writer.format("#!%s%n", shPath);

        writer.format("# Experimaestro generated task: %s%n", path);
        writer.println();

        // A command fails if any of the piped commands fail
        writer.println("set -o pipefail");
        writer.println();

        writer.println();
        if (environment() != null) {
            for (Map.Entry<String, String> pair : environment().entrySet())
                writer.format("export %s=\"%s\"%n", pair.getKey(), protect(pair.getValue(), QUOTED_SPECIAL));
        }

        if (directory() != null) {
            writer.format("cd \"%s\"%n", protect(env.resolve(directory()), QUOTED_SPECIAL));
        }

        if (!lockFiles.isEmpty()) {
            writer.format("%n# Checks that the locks are set%n");
            for (String lockFile : lockFiles) {
                writer.format("test -f %s || exit 017%n", lockFile);
            }
        }

        writer.format(
                "%n%n# Set traps to cleanup (remove locks and temporary files, kill remaining processes) when exiting%n%n");
        writer.format("trap cleanup EXIT SIGINT SIGTERM%n");
        writer.format("cleanup() {%n");
        for (String file : lockFiles) {
            writer.format("  rm -f %s;%n", file);
        }

        commands().forEachCommand(Streams.propagate(c -> {
            final CommandContext.NamedPipeRedirections namedRedirections = env.getNamedRedirections(c, false);
            for (FileObject file : Iterables.concat(namedRedirections.outputRedirections,
                    namedRedirections.errorRedirections)) {
                writer.format("  rm -f %s;%n", env.resolve(file));
            }
        }));

        // Kills remaining processes
        writer.println("  jobs -pr | xargs kill");
        writer.format("}%n%n");

        // Write the command
        final StringWriter sw = new StringWriter();
        PrintWriter exitWriter = new PrintWriter(sw);
        exitWriter.format("code=$?; if test $code -ne 0; then%n");
        if (exitCodePath != null)
            exitWriter.format(" echo $code > \"%s\"%n", protect(exitCodePath, QUOTED_SPECIAL));
        exitWriter.format(" exit $code%n");
        exitWriter.format("fi%n");

        String exitScript = sw.toString();

        writer.format("%n%n");

        switch (input.type()) {
        case INHERIT:
            break;
        case READ:
            writer.format("cat \"%s\" | ", connector.resolve(input.file()));
            break;
        default:
            throw new UnsupportedOperationException("Unsupported input redirection type: " + input.type());
        }

        writer.println("(");

        // The prepare all the commands
        writeCommands(env, writer, commands());

        writer.print(") ");

        writeRedirection(writer, output, 1);
        writeRedirection(writer, error, 2);

        writer.println();
        writer.print(exitScript);

        if (exitCodePath != null)
            writer.format("echo 0 > \"%s\"%n", protect(exitCodePath, QUOTED_SPECIAL));
        if (donePath != null)
            writer.format("touch \"%s\"%n", protect(donePath, QUOTED_SPECIAL));

        writer.close();

        // Set the file as executable
        runFile.setExecutable(true, false);

        processBuilder.command(protect(path, SHELL_SPECIAL));

        processBuilder.detach(true);
        processBuilder.redirectOutput(output);
        processBuilder.redirectError(error);

        processBuilder.job(job);

        return processBuilder.start();
    } catch (Exception e) {
        throw new LaunchException(e);
    }

}

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