Example usage for com.google.common.io Files write

Introduction

In this page you can find the example usage for com.google.common.io Files write.

Prototype

public static void write(CharSequence from, File to, Charset charset) throws IOException

Source Link

Usage

From source file:com.cloudera.hadoop.hdfs.nfs.nfs4.FixedUserIDMapper.java

public static String getCurrentGroup() {
    File script = null;/*from w ww .  ja  v  a  2s . co  m*/
    try {
        script = File.createTempFile("group", ".sh");
        String[] cmd = { "bash", script.getAbsolutePath() };
        Files.write("groups | cut -d ' ' -f 1", script, Charsets.UTF_8);
        return Shell.execCommand(cmd).trim();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (script != null) {
            script.delete();
        }
    }
}

From source file:org.eclipse.epp.internal.logging.aeri.ui.utils.AnonymousId.java

private static UUID readOrCreateUUID() throws IOException {
    File f = new File(getUserHome(), ".eclipse/org.eclipse.recommenders/anonymousId");
    if (f.exists()) {
        String uuid = Files.readFirstLine(f, Charsets.UTF_8);
        return UUID.fromString(uuid);
    } else {/*from  w ww  .  ja  va  2 s. c  o m*/
        f.getParentFile().mkdirs();
        UUID uuid = UUID.randomUUID();
        Files.write(uuid.toString(), f, Charsets.UTF_8);
        return uuid;
    }
}

From source file:eu.numberfour.n4js.antlr.internal.AntlrCodeQualityHelper.java

/**
 * Remove all unnecessary comments from the java code that was produced by Antlr
 *//*from   w  w  w.j  a v a 2s.c  om*/
public static void stripUnnecessaryComments(String javaFile, Charset encoding) throws IOException {
    String content = Files.toString(new File(javaFile), encoding);
    content = new NewlineNormalizer().toUnixLineDelimiter(content);
    content = content.replaceAll("(?m)^(\\s+)// .*/(\\w+\\.g:.*)$", "$1// $2");
    content = content.replaceAll("(public String getGrammarFileName\\(\\) \\{ return \").*/(\\w+\\.g)(\"; \\})",
            "$1$2$3");
    Files.write(content, new File(javaFile), encoding);
}

From source file:org.opendaylight.alto.ext.cli.fileconverter.FileConverterHelper.java

public void save(String path, String content) throws Exception {
    File file = new File(path);
    Files.write(content, file, StandardCharsets.US_ASCII);
}

From source file:org.dswarm.tools.utils.DswarmToolUtils.java

public static void writeToFile(final String content, final String directory, final String fileName)
        throws IOException {

    checkDirExistenceOrCreateMissingParts(directory);

    final File file = org.apache.commons.io.FileUtils.getFile(directory, fileName);

    Files.write(content, file, Charsets.UTF_8);
}

From source file:org.glowroot.common.util.PropertiesFiles.java

public static void upgradeIfNeeded(File propFile, Map<String, String> findReplacePairs) throws IOException {
    // properties files must be ISO_8859_1
    String content = Files.toString(propFile, ISO_8859_1);
    boolean modified = false;
    for (Map.Entry<String, String> entry : findReplacePairs.entrySet()) {
        String find = entry.getKey();
        if (content.contains(find)) {
            content = content.replace(find, entry.getValue());
            modified = true;/*from  www.  java  2  s  .  c  om*/
        }
    }
    if (modified) {
        Files.write(content, propFile, ISO_8859_1);
    }
}

From source file:bwfla.modules.pdp.client.Helper.java

/**
 * //from   w ww .  ja  v  a  2 s .  c o  m
 * @param path
 * @param content
 */
public static void writeContentToFile(@NonNull String path, @NonNull String content) {
    URL url = Helper.class.getClassLoader().getResource(path);
    try {
        Files.write(content, new File(url.getFile()), Charsets.UTF_8);
    } catch (IOException e) {
        log.error("Could not write to file " + path, e);
    }
}

From source file:com.github.rinde.rinsim.scenario.measure.MetricsIO.java

/**
 * Writes the specified list of {@link Point}s to the specified file. Each
 * point is printed on a separate line using the following format:
 *
 * <pre>//from   w ww .j av a2  s  .  c  om
 * {@code x y }
 * </pre>
 *
 * i.e. the coordinates are space-separated.
 * @param locations The locations to write to file.
 * @param f The file to write to, non-existing parent directories will be
 *          created.
 */
public static void writeLocationList(List<Point> locations, File f) {
    final StringBuilder sb = new StringBuilder();
    for (final Point p : locations) {
        sb.append(p.x).append(SPACE).append(p.y).append(System.lineSeparator());
    }
    try {
        Files.createParentDirs(f);
        Files.write(sb.toString(), f, Charsets.UTF_8);
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    }
}

From source file:org.apache.brooklyn.entity.chef.ChefServerTasks.java

/** extract key to a temp file, but one per machine, scheduled for deletion afterwards;
 * we extract the key because chef has no way to accept passphrases at present */
synchronized static File extractKeyFile(SshMachineLocation machine) {
    File f = new File(getExtractedKeysDir(), machine.getAddress().getHostName() + ".pem");
    if (f.exists())
        return f;
    KeyPair data = machine.findKeyPair();
    if (data == null)
        return null;
    try {/*from   www. ja  v  a 2s.  c om*/
        f.deleteOnExit();
        Files.write(SecureKeys.stringPem(data), f, Charset.defaultCharset());
        return f;
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

From source file:info.servertools.core.util.FileUtils.java

/**
 * Write a string to file//from   w w w .  j  a v a 2  s .  c  o m
 * <p>
 * <b>IO is done on a separate thread!</b>
 * </p>
 *
 * @param string
 *         the string to write
 * @param file
 *         the file to write to
 */
public static void writeStringToFile(final String string, final File file) {

    new Thread() {
        @Override
        public void run() {
            try {
                Files.write(string, file, Reference.CHARSET);
            } catch (IOException e) {
                ServerTools.LOG.log(Level.WARN, "Failed to save file to disk", e);
            }
        }

    }.start();
}