Example usage for java.io Writer close

Introduction

In this page you can find the example usage for java.io Writer close.

Prototype

public abstract void close() throws IOException;

Source Link

Document

Closes the stream, flushing it first.

Usage

From source file:com.iksgmbh.sql.pojomemodb.utils.FileUtil.java

public static void appendToFile(final File file, final String text) throws IOException {
    final String oldFileContent;
    final String newFileContent;

    if (file.exists()) {
        oldFileContent = getFileContent(file);
    } else {//from   ww w .ja  va 2  s  .co  m
        oldFileContent = "";
    }

    if (oldFileContent.length() > 0) {
        newFileContent = oldFileContent + getSystemLineSeparator() + text;
    } else {
        newFileContent = text;
    }

    Writer writer = null;
    try {
        writer = IOEncodingHelper.STANDARD.getBufferedWriter(file);
        writer.write(newFileContent);
    } finally {
        if (writer != null) {
            writer.close();
        }
    }
}

From source file:cascading.util.Util.java

public static void printGraph(String filename, SimpleDirectedGraph graph) {
    try {/*w ww  .  j  a va 2  s  .c om*/
        Writer writer = new FileWriter(filename);

        printGraph(writer, graph);

        writer.close();
    } catch (IOException exception) {
        exception.printStackTrace();
    }
}

From source file:dataGen.DataGen.java

/**
 * Saves the Data/*from   w  ww .  j  av a  2s . c om*/
 * @param values
 *       The values which should be saved.
 * @param fw
 *       The File-Writer including the File location
 * @param nf
 *       How should the data get formatted?
 * @throws IOException
 *       If Stream to a File couldn't be written/closed 
 */
public static void saveData(Array2DRowRealMatrix values, Writer fw, NumberFormat nf) throws IOException {
    for (int i = 0; i < values.getRowDimension(); i++) {
        String row = i + 1 + " ";
        //String row = "";

        for (int j = 0; j < values.getColumnDimension(); j++) {
            row = row + nf.format(values.getEntry(i, j)) + " ";
        }
        fw.write(row);
        fw.append(System.getProperty("line.separator"));
    }
    fw.close();
}

From source file:com.gm.machine.util.CommonUtils.java

private synchronized static void writeHtml(String htmlFileName, String content, String encoding)
        throws Exception {
    Writer fw = null;

    try {/*from w ww  .  j  av a 2s.  co  m*/
        fw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(htmlFileName), encoding));
        fw.write(content);
        fw.flush();

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        // ?
        if (fw != null) {
            fw.close();
        }

    }

}

From source file:citibob.licensor.MakeLauncher.java

/**
 * //  w w w  . j  ava 2 s  .co  m
 * @param version
 * @param configDir
 * @param outJar
 * @param spassword
 * @throws java.lang.Exception
 */
public static void makeLauncher(String version, File configDir, File outJar, String spassword)
        throws Exception {
    File oaDir = ClassPathUtils.getMavenProjectRoot();
    File oalaunchDir = new File(oaDir, "../oalaunch");
    File oasslDir = new File(oaDir, "../oassl");
    File keyDir = new File(oasslDir, "keys/client");
    File tmpDir = new File(".", "tmp");
    FileUtils.deleteDirectory(tmpDir);
    tmpDir.mkdirs();

    // Find the oalaunch JAR file
    File oalaunchJar = null;
    File[] files = new File(oalaunchDir, "target").listFiles();
    for (File f : files) {
        if (f.getName().startsWith("oalaunch") && f.getName().endsWith(".jar")) {
            oalaunchJar = f;
            break;
        }
    }

    // Unjar the oalaunch.jar file into the temporary directory
    exec(tmpDir, "jar", "xvf", oalaunchJar.getAbsolutePath());

    File tmpOalaunchDir = new File(tmpDir, "oalaunch");
    File tmpConfigDir = new File(tmpOalaunchDir, "config");

    // Read app.properties
    Properties props = new Properties();
    InputStream in = new FileInputStream(new File(configDir, "app.properties"));
    props.load(in);
    in.close();

    // Re-do the config dir
    FileUtils.deleteDirectory(tmpConfigDir);
    FileFilter ff = new FileFilter() {
        public boolean accept(File f) {
            if (f.getName().startsWith("."))
                return false;
            if (f.getName().endsWith("~"))
                return false;
            return true;
        }
    };
    FileUtils.copyDirectory(configDir, tmpConfigDir, ff);

    // Set up to encrypt
    char[] password = null;
    PBECrypt pbe = new PBECrypt();
    if (spassword != null)
        password = spassword.toCharArray();

    // Encrypt .properties files if needed
    if (password != null) {
        for (File fin : configDir.listFiles()) {
            if (fin.getName().endsWith(".properties") || fin.getName().endsWith(".jks")) {
                File fout = new File(tmpConfigDir, fin.getName());
                pbe.encrypt(fin, fout, password);
            }
        }
    }

    // Copy the appropriate key and certificate files
    String dbUserName = props.getProperty("db.user", null);
    File[] jksFiles = new File[] { new File(keyDir, dbUserName + "-store.jks"),
            new File(keyDir, dbUserName + "-trust.jks") };
    for (File fin : jksFiles) {
        if (!fin.exists()) {
            System.out.println("Missing jks file: " + fin.getName());
            continue;
        }
        File fout = new File(tmpConfigDir, fin.getName());
        if (password != null) {
            System.out.println("Encrypting " + fin.getName());
            pbe.encrypt(fin, fout, password);
        } else {
            System.out.println("Copying " + fin.getName());
            FileUtils.copyFile(fin, fout);
        }
    }

    // Use a downloaded JNLP file, not a static one.
    new File(tmpOalaunchDir, "offstagearts.jnlp").delete();

    // Open properties file, which we will write to...
    File oalaunchProperties = new File(tmpDir, "oalaunch/oalaunch.properties");
    Writer propertiesOut = new FileWriter(oalaunchProperties);
    propertiesOut.write(
            "jnlp.template.url = " + "http://offstagearts.org/releases/offstagearts/offstagearts_oalaunch-"
                    + version + ".jnlp.template\n");
    String configName = outJar.getName();
    int dot = configName.lastIndexOf(".jar");
    if (dot >= 0)
        configName = configName.substring(0, dot);
    propertiesOut.write("config.name = " + configName + "\n");
    propertiesOut.close();

    // Jar it back up
    exec(tmpDir, "jar", "cvfm", outJar.getAbsolutePath(), "META-INF/MANIFEST.MF", ".");

    //   // Sign it
    //   exec(null, "jarsigner", "-storepass", "keyst0re", outJar.getAbsolutePath(),
    //         "offstagearts");

    // Remove the tmp directory
    FileUtils.deleteDirectory(tmpDir);
}

From source file:IOUtil.java

/**
 * Unconditionally close an <code>Writer</code>.
 * Equivalent to {@link Writer#close()}, except any exceptions will be ignored.
 *
 * @param output A (possibly null) Writer
 *///from w  w  w  .j a  v  a 2 s . c  om
public static void shutdownWriter(final Writer output) {
    if (null == output) {
        return;
    }

    try {
        output.close();
    } catch (final IOException ioe) {
    }
}

From source file:edu.brandeis.cs.planner.utils.WsdlClient.java

public static void copy(InputStream is, Writer writer) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(is));
    String line;/*from w w  w  .j  av  a  2 s  .c o m*/
    while ((line = br.readLine()) != null)
        writer.write(line);
    br.close();
    is.close();
    writer.close();
}

From source file:com.oeg.oops.VocabUtils.java

/**
 * Method to save a document on a path//from   w  w w  .j av  a2  s  .c o m
 * @param path
 * @param textToWrite
 */
public static void saveDocument(String path, String textToWrite) {
    File f = new File(path);
    Writer out = null;
    try {
        f.createNewFile();
        out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f), "UTF-8"));
        out.write(textToWrite);
        out.close();
    } catch (IOException e) {
        System.err.println("Error while creating the file " + e.getMessage() + "\n" + f.getAbsolutePath());
    }

}

From source file:com.zotoh.core.io.StreamUte.java

/**
 * @param w//from   w ww .j  a v a 2 s  . c  o  m
 * @return null
 */
public static Writer close(Writer w) {
    try {
        if (w != null)
            w.close();
    } catch (Throwable t) {
    }
    return null;
}

From source file:de.akquinet.engineering.vaadinator.mojo.CodeGeneratorMojo.java

private static void runVelocity(BeanDescription desc, Map<String, Object> commonMap, String pckg,
        String modelPckg, String presenterPckg, String viewPckg, String profileName, String templateName,
        File outFile, boolean mandatory) throws IOException {
    Velocity.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
    Velocity.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
    Template template;/*  w w  w.j  av  a  2  s.co m*/
    // Issue #6: for optional templates check whether it's there
    boolean runTemplate;
    if (mandatory) {
        runTemplate = true;
    } else {
        Enumeration<URL> templateResEnum = Velocity.class.getClassLoader()
                .getResources(TEMPLATE_PACKAGE.substring(1) + templateName);
        runTemplate = templateResEnum.hasMoreElements();
    }
    if (!runTemplate) {
        return;
    }
    template = Velocity.getTemplate(TEMPLATE_PACKAGE + templateName);
    VelocityContext context = new VelocityContext();
    context.put("bean", desc);
    context.put("common", commonMap);
    context.put("package", pckg);
    context.put("modelPackage", modelPckg);
    context.put("presenterPackage", presenterPckg);
    context.put("viewPackage", viewPckg);
    context.put("profileName", profileName);
    context.put("unicodeUtil", UnicodeUtil.SINGLETON);
    Writer writer = new OutputStreamWriter(new FileOutputStream(outFile), "UTF-8");
    template.merge(context, writer);
    writer.close();
}