Example usage for java.io Writer close

List of usage examples for java.io Writer close

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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.machinelinking.converter.ScriptableConverterTest.java

@Test
public void testConvert() throws IOException, ConverterException, ScriptableFactoryException {
    final String script = IOUtils
            .toString(this.getClass().getResourceAsStream("scriptable-converter-test1.py"));
    final ScriptableConverter converter = ScriptableConverterFactory.getInstance().createConverter(script);
    final ByteArrayOutputStream serializerBAOS = new ByteArrayOutputStream();
    final JSONSerializer serializer = new JSONSerializer(serializerBAOS);
    final ByteArrayOutputStream writerBAOS = new ByteArrayOutputStream();
    final Writer writer = new BufferedWriter(new OutputStreamWriter(writerBAOS));
    converter.convertData(JSONUtils/* www.jav  a2s .  c om*/
            .parseJSONAsMap("{\"@type\":\"reference\",\"label\":\"List of Nobel laureates in Physics\","
                    + "\"content\":{\"@an0\":\"1921\"}}"),
            serializer, writer);
    serializer.close();
    writer.close();
    Assert.assertEquals(serializerBAOS.toString(), "{\"link\":\"List of Nobel laureates in Physics 1921\"}");
    Assert.assertEquals(writerBAOS.toString(), "<a href=\"List of Nobel laureates in Physics\">1921</a>");
}

From source file:me.wxwsk8er.Knapsack.Configuration.JSONConfiguration.java

@Override
public void save() {
    Writer writer = null;

    try {//from   w ww  .  j av a  2  s.  com
        writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(this.filePath), "utf-8"));
        writer.write(jObject.toJSONString());
        writer.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:EditorPaneExample6.java

public EditorPaneExample6() {
    super("JEditorPane Example 6");

    pane = new JEditorPane();
    pane.setEditable(false); // Start read-only
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;//  www.  j a va 2s.c  o  m
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("File name: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);

    c.gridx = 1;
    c.gridy = 0;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;

    textField = new JTextField(32);
    panel.add(textField, c);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    c.gridwidth = 2;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);

    // Add a "Save" button
    saveButton = new JButton("Save");
    saveButton.setEnabled(false);
    c.gridwidth = 1;
    c.gridx = 2;
    c.gridy = 0;
    c.weightx = 0.0;
    panel.add(saveButton, c);

    getContentPane().add(panel, "South");

    // Change page based on text field
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            String fileName = textField.getText().trim();
            file = new File(fileName);
            absolutePath = file.getAbsolutePath();
            String url = "file:///" + absolutePath;

            try {
                // Check if the new page and the old
                // page are the same.
                URL newURL = new URL(url);
                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(newURL)) {
                    return;
                }

                // Try to display the page
                textField.setEnabled(false); // Disable input
                textField.paintImmediately(0, 0, textField.getSize().width, textField.getSize().height);

                saveButton.setEnabled(false);
                saveButton.paintImmediately(0, 0, saveButton.getSize().width, saveButton.getSize().height);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
                // Busy cursor
                loadingState.setText("Loading...");
                loadingState.paintImmediately(0, 0, loadingState.getSize().width,
                        loadingState.getSize().height);
                loadedType.setText("");
                loadedType.paintImmediately(0, 0, loadedType.getSize().width, loadedType.getSize().height);
                pane.setEditable(false);
                pane.setPage(url);

                loadedType.setText(pane.getContentType());
            } catch (Exception e) {
                JOptionPane.showMessageDialog(pane, new String[] { "Unable to open file", url },
                        "File Open Error", JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                textField.setEnabled(true);
                setCursor(Cursor.getDefaultCursor());
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadingState.setText("Page loaded.");

                textField.setEnabled(true); // Allow entry of new file name
                textField.requestFocus();
                setCursor(Cursor.getDefaultCursor());

                // Allow editing and saving if appropriate
                pane.setEditable(file.canWrite());
                saveButton.setEnabled(file.canWrite());
            }
        }
    });

    // Save button
    saveButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            try {
                String type = pane.getContentType();
                OutputStream os = new BufferedOutputStream(new FileOutputStream(file + ".save"));
                pane.setEditable(false);
                textField.setEnabled(false);
                saveButton.setEnabled(false);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

                Document doc = pane.getDocument();
                int length = doc.getLength();
                if (type.endsWith("/rtf")) {
                    // Saving RTF - use the OutputStream
                    try {
                        pane.getEditorKit().write(os, doc, 0, length);
                        os.close();
                    } catch (BadLocationException ex) {
                    }
                } else {
                    // Not RTF - use a Writer.
                    Writer w = new OutputStreamWriter(os);
                    pane.write(w);
                    w.close();
                }
            } catch (IOException e) {
                JOptionPane.showMessageDialog(pane,
                        new String[] { "Unable to save file", file.getAbsolutePath(), }, "File Save Error",
                        JOptionPane.ERROR_MESSAGE);

            }
            pane.setEditable(file.canWrite());
            textField.setEnabled(true);
            saveButton.setEnabled(file.canWrite());
            setCursor(Cursor.getDefaultCursor());
        }
    });
}

From source file:com.streamsets.pipeline.stage.origin.spooldir.TestLogSpoolDirSourceApacheCustomLogFormat.java

private File createLogFile() throws Exception {
    File f = new File(createTestDir(), "test.log");
    Writer writer = new FileWriter(f);
    IOUtils.write(LINE1 + "\n", writer);
    IOUtils.write(LINE2, writer);//from  w  ww  . j av a  2 s . c  o  m
    writer.close();
    return f;
}

From source file:com.netxforge.oss2.config.PollerConfigFactory.java

/** {@inheritDoc} */
protected void saveXml(final String xml) throws IOException {
    if (xml != null) {
        getWriteLock().lock();/*  w  w  w.j  a v a  2  s.c  o m*/
        try {
            final long timestamp = System.currentTimeMillis();
            final File cfgFile = ConfigFileConstants.getFile(ConfigFileConstants.POLLER_CONFIG_FILE_NAME);
            LogUtils.debugf(this, "saveXml: saving config file at %d: %s", timestamp, cfgFile.getPath());
            final Writer fileWriter = new OutputStreamWriter(new FileOutputStream(cfgFile), "UTF-8");
            fileWriter.write(xml);
            fileWriter.flush();
            fileWriter.close();
            LogUtils.debugf(this, "saveXml: finished saving config file: %s", cfgFile.getPath());
        } finally {
            getWriteLock().unlock();
        }
    }
}

From source file:cc.kune.core.server.manager.file.FileUploadManagerAbstract.java

/**
 * Do response.//from  w  w  w  .  j  a  v a2s. com
 * 
 * @param response
 *          the response
 * @param additionalResponse
 *          the additional response
 * @param responseCode
 *          the response code
 * @throws IOException
 *           Signals that an I/O exception has occurred.
 */
protected void doResponse(final HttpServletResponse response, final String additionalResponse,
        final int responseCode) throws IOException {
    final Writer w = new OutputStreamWriter(response.getOutputStream());
    if (additionalResponse != null) {
        w.write(additionalResponse);
    }
    w.close();
    response.setStatus(responseCode);
}

From source file:net.itransformers.idiscover.v2.core.node_discoverers.bgpdiscoverer.BGPMapNetworkDiscoverer.java

protected void startDiscovery(Set<ConnectionDetails> connectionDetailsList) {

    NetworkDiscoveryResult result = new NetworkDiscoveryResult(null);

    for (ConnectionDetails connectionDetails : connectionDetailsList) {

        if (!"javaMRT".equals(connectionDetails.getConnectionType())) {
            logger.debug("Connection details are not for javaMRTfile");

            return;
        }/*ww w  .java2s.  c  om*/

        String pathToFile = connectionDetails.getParam("pathToFile");
        String version = connectionDetails.getParam("version");

        String[] args = new String[4];
        args[0] = "-f";

        args[1] = pathToFile;

        args[2] = "-o";
        String outputFile = ProjectConstants.networkGraphmlFileName;
        args[3] = outputFile;

        Map<String, String> params = CmdLineParser.parseCmdLine(args);

        StringWriter writer = new StringWriter();

        String file = null;
        OutputStream logOutputStream = new NullOutputStream();

        if (params.containsKey("-f")) {
            file = params.get("-f");
        } else {
            logger.info("no file passed");
            System.exit(1);
        }

        ASContainer ases = new ASContainer();
        System.out.println("Start reading MRT file");
        File tmpEdgeFile = null;
        try {
            tmpEdgeFile = File.createTempFile("test" + "_", ".txt");
            System.out.println("Creating edge tmp file: " + tmpEdgeFile.getAbsolutePath());
            Writer edgeWriter = new PrintWriter(tmpEdgeFile);

            Route2GraphmlDumper.dumpToXmlString(new String[] { file }, new PrintWriter(logOutputStream),
                    edgeWriter, ases);
            edgeWriter.close();
            Route2GraphmlDumper.dumpGraphml(ases, writer, tmpEdgeFile);

        } catch (IOException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.

        } finally {
            tmpEdgeFile.delete();

        }

        NodeDiscoveryResult result1 = new NodeDiscoveryResult(null, null, null);

        result1.setDiscoveredData("version", version);
        result1.setDiscoveredData("graphml", writer.toString().getBytes());
        result1.setDiscoveredData("discoverer", "javaMRT");

        result.addDiscoveredData(file, result1);

    }
    fireNetworkDiscoveredEvent(result);

}

From source file:ca.rmen.android.networkmonitor.app.email.Emailer.java

/**
 * Sends an e-mail in UTF-8 encoding./* w  w w .j  av  a2s. c  o m*/
 *
 * @param protocol    this has been tested with "TLS", "SSL", and null.
 * @param attachments optional attachments to include in the mail.
 * @param debug       if true, details about the smtp commands will be logged to stdout.
 */
static void sendEmail(String protocol, String server, int port, String user, String password, String from,
        String[] recipients, String subject, String body, Set<File> attachments, boolean debug)
        throws Exception {

    // Set up the mail connectivity
    final AuthenticatingSMTPClient client;
    if (protocol == null)
        client = new AuthenticatingSMTPClient();
    else
        client = new AuthenticatingSMTPClient(protocol);

    if (debug)
        client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    client.setDefaultTimeout(SMTP_TIMEOUT_MS);
    client.setCharset(Charset.forName(ENCODING));
    client.connect(server, port);
    checkReply(client);
    client.helo("[" + client.getLocalAddress().getHostAddress() + "]");
    checkReply(client);
    if ("TLS".equals(protocol)) {
        if (!client.execTLS()) {
            checkReply(client);
            throw new RuntimeException("Could not start tls");
        }
    }
    client.auth(AuthenticatingSMTPClient.AUTH_METHOD.LOGIN, user, password);
    checkReply(client);

    // Set up the mail participants
    client.setSender(from);
    checkReply(client);
    for (String recipient : recipients) {
        client.addRecipient(recipient);
        checkReply(client);
    }

    // Set up the mail content
    Writer writer = client.sendMessageData();
    SimpleSMTPHeader header = new SimpleSMTPHeader(from, recipients[0], subject);
    for (int i = 1; i < recipients.length; i++)
        header.addCC(recipients[i]);

    // Just plain text mail: no attachments
    if (attachments == null || attachments.isEmpty()) {
        header.addHeaderField("Content-Type", "text/plain; charset=" + ENCODING);
        writer.write(header.toString());
        writer.write(body);
    }
    // Mail with attachments
    else {
        String boundary = UUID.randomUUID().toString().replaceAll("-", "").substring(0, 28);
        header.addHeaderField("Content-Type", "multipart/mixed; boundary=" + boundary);
        writer.write(header.toString());

        // Write the main text message
        writer.write("--" + boundary + "\n");
        writer.write("Content-Type: text/plain; charset=" + ENCODING + "\n\n");
        writer.write(body);
        writer.write("\n");

        // Write the attachments
        appendAttachments(writer, boundary, attachments);
        writer.write("--" + boundary + "--\n\n");
    }

    writer.close();
    if (!client.completePendingCommand()) {
        throw new RuntimeException("Could not send mail");
    }
    client.logout();
    client.disconnect();
}

From source file:com.c4om.autoconf.ulysses.configanalyzer.guilauncher.ChromeAppEditorGUILauncher.java

/**
 * @see com.c4om.autoconf.ulysses.interfaces.configanalyzer.core.GUILauncher#launchGUI(com.c4om.autoconf.ulysses.interfaces.configanalyzer.core.datastructures.ConfigurationAnalysisContext, com.c4om.autoconf.ulysses.interfaces.Target)
 *///  w  w w  . ja  va  2 s .c om
@SuppressWarnings("resource")
@Override
public void launchGUI(ConfigurationAnalysisContext context, Target target) throws GUILaunchException {
    try {
        List<File> temporaryFolders = this.getTemporaryStoredChangesetsAndConfigs(context, target);

        for (File temporaryFolder : temporaryFolders) {

            //The temporary folder where one subfolder per analyzer execution will be stored (and removed).
            File temporaryFolderRoot = temporaryFolder.getParentFile().getParentFile();

            System.out.println("Writing launch properties.");

            //Now, we build the properties file
            Properties launchProperties = new Properties();
            String relativeTemporaryFolder = temporaryFolder.getAbsolutePath()
                    .replaceAll("^" + Pattern.quote(temporaryFolderRoot.getAbsolutePath()), "")
                    .replaceAll("^" + Pattern.quote(File.separator), "")
                    .replaceAll(Pattern.quote(File.separator) + "$", "")
                    .replaceAll(Pattern.quote(File.separator) + "+", "/");
            //            launchProperties.put(KEY_LOAD_RECOMMENDATIONS_FILE, relativeTemporaryFolder+CHANGESET_TO_APPLY);
            launchProperties.put(KEY_CATALOG, relativeTemporaryFolder + CATALOG_FILE_PATH);
            Writer writer = new OutputStreamWriter(
                    new FileOutputStream(new File(temporaryFolderRoot, LAUNCH_PROPERTIES_FILE_NAME)),
                    Charsets.UTF_8);
            launchProperties.store(writer, "");
            writer.close();
            System.out.println("Launch properties written!!!!");

            System.out.println("Launching XML editor Chrome app");

            Properties configurationAnalyzerProperties = context.getConfigurationAnalyzerSettings();
            String chromeLocation = configurationAnalyzerProperties.getProperty(PROPERTIES_KEY_CHROME_LOCATION);
            String editorChromeAppLocation = configurationAnalyzerProperties
                    .getProperty(PROPERTIES_KEY_EDITOR_CHROME_APP_LOCATION);

            ProcessBuilder chromeEditorPB = new ProcessBuilder(
                    ImmutableList.of(chromeLocation, "--load-and-launch-app=" + editorChromeAppLocation));
            chromeEditorPB.directory(new File(editorChromeAppLocation));
            chromeEditorPB.start();
            System.out.println("Editor started!!!");
            System.out.println("Now, make all your changes and press ENTER when finished...");
            new Scanner(System.in).nextLine();
            FileUtils.forceDeleteOnExit(temporaryFolder.getParentFile());

        }
    } catch (IOException e) {
        throw new GUILaunchException(e);
    }
}

From source file:gdv.xport.util.NullFormatterTest.java

/**
 * Test-Methode fuer {@link NullFormatter#write(Datenpaket)}.
 * Hier testen wir, ob der Formatter tatsaechlich keine Formattierung
 * vornimmt und als Result die gleiche Datei wie die Eingabe-Datei
 * rausschreibt./* w  ww .ja  va2  s.  c o  m*/
 *
 * @throws IOException Signals that an I/O exception has occurred.
 */
@IntegrationTest
@Test
public void testWriteDatenpaketToFile() throws IOException {
    File output = File.createTempFile("output", ".txt");
    Writer writer = new OutputStreamWriter(new FileOutputStream(output), "ISO-8859-1");
    NullFormatter formatter = new NullFormatter(writer);
    Datenpaket datenpaket = new Datenpaket();
    try {
        datenpaket.importFrom(MUSTERDATEI, "ISO-8859-1");
        formatter.write(datenpaket);
        writer.close();
        FileTester.assertContentEquals(MUSTERDATEI, output, "ISO-8859-1");
    } finally {
        log.info(output + " was " + (output.delete() ? "successful" : "not") + " deleted");
    }
}