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.heliosapm.benchmarks.json.JSONUnmarshalling.java

public static final ChannelBuffer serializeToBuffer(final ChannelBufferFactory bfactory,
        final Person... object) {
    if (object == null)
        throw new IllegalArgumentException("Object was null");
    OutputStream os = null;/*ww w  .j a  va2s  .c om*/
    Writer wos = null;
    try {
        //          final ChannelBuffer b = bfactory.getBuffer(1024);
        final ChannelBuffer b = ChannelBuffers.dynamicBuffer(PERSON_APPROX_SIZE * object.length, bfactory);
        os = new ChannelBufferOutputStream(b);
        wos = new OutputStreamWriter(os, UTF8);
        jsonMapper.writeValue(wos, object);
        return b;
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (wos != null)
            try {
                wos.close();
            } catch (Exception x) {
                /* No Op */}
        if (os != null)
            try {
                os.close();
            } catch (Exception x) {
                /* No Op */}
    }
}

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From source file:io.sqp.core.jackson.JacksonMessageEncoder.java

public void encode(Writer writer, SqpMessage message) throws IOException {
    MessageType type = message.getType();
    try {//from  w w w  . j  a v a2s  .co m
        writer.write(type.getId());
    } catch (IOException e) {
        writer.close();
        throw e;
    }

    if (!type.hasContent()) {
        writer.close();
        return;
    }

    ObjectMapper mapper = JacksonObjectMapperFactory.objectMapper(DataFormat.Text);
    mapper.writeValue(writer, message);
}

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From source file:com.amazonaws.codedeploy.AWSClients.java

private File createTestFile() throws IOException {
    File file = File.createTempFile("codedeploy-jenkins-plugin", ".txt");
    file.deleteOnExit();/*from w w w  . j  a v  a  2  s.  c  o m*/

    Writer writer = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
    writer.write("");
    writer.close();

    return file;
}

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From source file:net.sf.taverna.cagrid.activity.CaGridActivity.java

/**
 * Load the trusted caGrid CAs' certificates and store them in 
 * the Truststore and in a special folder (inside Taverna's security 
 * conf folder) so that globus can look them up as well.
 *//*from  ww w  .ja  v  a 2  s . c  om*/
private static void loadCaGridCAsCertificates() {

    // If not already done, import the caGrid Trusted CAs' certificates into Taverna's truststore
    // Get the location of Taverna's security configuration directory
    File secConfigDirectory = CMUtil.getSecurityConfigurationDirectory();
    File caGridSecConfigDirectory = new File(secConfigDirectory, "cagrid");
    caGridSecConfigDirectory.mkdirs();
    // Tructes CAs folder
    File trustedCertsDirectory = new File(caGridSecConfigDirectory, "trusted-certificates");
    trustedCertsDirectory.mkdirs();

    // Set the system property read by Globus to determine the location 
    // of the folder containing the caGrid trusted CAs' certificates 
    System.setProperty("X509_CERT_DIR", trustedCertsDirectory.getAbsolutePath());

    // Get the file which existence implies that caGrid trusted CAs have been loaded
    File caCertsLoadedFile = new File(caGridSecConfigDirectory, "trustedCAsLoaded.txt");

    if (!caCertsLoadedFile.exists() || System.getenv("TWS_USER_PROXY") != null) {
        logger.info("caGrid plugin is loading trusted certificates \n of caGrid CAs into Credential Manager.");

        if (System.getenv("TWS_USER_PROXY") == null) {
            JOptionPane.showMessageDialog(null,
                    "caGrid plugin is loading trusted certificates \n of caGrid CAs into Credential Manager.",
                    "CaGrid plugin message", JOptionPane.INFORMATION_MESSAGE);
        }
        List<String> certificateResources = new ArrayList<String>();
        certificateResources.add("1c3f2ca8.0");
        certificateResources.add("62f4fd66.0");
        certificateResources.add("68907d53.0");
        certificateResources.add("8e3e7e54.0");
        certificateResources.add("d1b603c3.0");
        certificateResources.add("ed524cf5.0");
        certificateResources.add("0ad31d10.0");
        certificateResources.add("17e36bb5.0");
        certificateResources.add("f3b3491b.0");
        certificateResources.add("d0b62510.0");//to be replaced by its CA cert

        CredentialManager cm = null;
        try {
            //TODO something wrong here, needs correction
            cm = CredentialManager.getInstance();

        } catch (CMException cmex) {
            // We are in deep trouble here - something's wrong with Credential Manager
            String exMessage = "Failed to instantiate Credential Manager - cannot load caGrid CAs' certificates.";
            JOptionPane.showMessageDialog(null, exMessage, "CaGrid plugin message", JOptionPane.ERROR_MESSAGE);
            cmex.printStackTrace();
            logger.error(exMessage);
            return;
        }

        for (String certificate : certificateResources) {
            InputStream certStream = null;
            try {
                String certificateResourcePath = "/trusted-certificates/" + certificate;
                certStream = CaGridActivity.class.getResourceAsStream(certificateResourcePath);
                CertificateFactory cf = CertificateFactory.getInstance("X.509");
                // The following should be able to load PKCS #7 certificate chain files
                // as well as ASN.1 DER or PEM-encoded (sequences of) certificates
                Collection<? extends Certificate> chain = cf.generateCertificates(certStream);
                certStream.close();
                // Use only the first cert in the chain - we know there will be only one inside 
                X509Certificate cert = (X509Certificate) chain.iterator().next();
                // Save to Credential Manager's Truststore
                cm.saveTrustedCertificate(cert);
                // Save to the trusted-certificates directory inside cagrid security conf directory
                File certificateFile = new File(trustedCertsDirectory, certificate);
                InputStream certStreamNew = null;
                BufferedOutputStream fOut = null;
                try {
                    // Reload the certificate resource
                    certStreamNew = CaGridActivity.class.getResourceAsStream(certificateResourcePath);
                    fOut = new BufferedOutputStream(new FileOutputStream(certificateFile));
                    IOUtils.copy(certStreamNew, fOut);
                } catch (Exception ex) {
                    String exMessage = "Failed to save caGrid CA's certificate " + certificate
                            + " to cagrid security folder " + certificateFile + " for globus.";
                    logger.error(exMessage, ex);
                } finally {
                    if (fOut != null) {
                        try {
                            fOut.close();
                        } catch (Exception ex) {
                            logger.error("Can't close certificate resource " + certificateFile, ex);
                        }
                    }
                    if (certStreamNew != null) {
                        try {
                            certStreamNew.close();
                        } catch (Exception ex) {
                            logger.error("Can't close certificate resource " + certificate, ex);
                        }
                    }
                }
            } catch (Exception ex) {
                String exMessage = "Failed to load or save caGrid CA's certificate " + certificate
                        + " to Truststore.";
                logger.error(exMessage, ex);
            }
        }
        Writer out = null;
        try {
            out = new BufferedWriter(new FileWriter(caCertsLoadedFile));
            out.write("true"); // just write anything to the file
        } catch (IOException e) {
            // ignore
        }
        if (out != null) {
            try {
                out.close();
            } catch (Exception ex) {
                // ignore
            }
        }
    }
}

---

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

/** {@inheritDoc} */
protected synchronized void saveXml(String xml) throws IOException {
    if (xml != null) {
        File cfgFile = ConfigFileConstants.getFile(ConfigFileConstants.CAPSD_CONFIG_FILE_NAME);
        Writer fileWriter = new OutputStreamWriter(new FileOutputStream(cfgFile), "UTF-8");
        fileWriter.write(xml);/*from  w  ww .ja va  2  s. co m*/
        fileWriter.flush();
        fileWriter.close();
    }
}

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From source file:com.natpryce.piazza.pluginConfiguration.PiazzaConfiguration.java

void writeElementTo(Element element, Writer writer) throws IOException {
    try {/*  w  ww  .  j a  v a 2 s .c  o m*/
        XMLOutputter outputter = new XMLOutputter();
        outputter.output(element, writer);
        writer.close();
    } finally {
        IOUtils.closeQuietly(writer);
    }
}

---

From source file:com.facebook.hiveio.testing.LocalHiveServer.java

private File writeDataToFile(String tableName, String[] data) throws IOException {
    File dataFile = new File(rootDir(), tableName);
    Writer writer = Files.newWriter(dataFile, Charsets.UTF_8);
    for (String line : data) {
        writer.write(line);//from   ww  w .j  a  v a2s .co  m
        writer.write("\n");
    }
    writer.close();
    return dataFile;
}

---

From source file:com.streamsets.datacollector.http.TestLogServlet.java

private String startServer() throws Exception {
    try {/*from w  w w .  ja va2 s  . c  om*/
        logFile = new File(baseDir, "test.log");
        Writer writer = new FileWriter(logFile);
        writer.write("hello\n");
        writer.close();
        Thread.sleep(1000); // for log files to have different lastModified timestamp
        oldLogFile = new File(baseDir, "test.log.1");
        writer = new FileWriter(oldLogFile);
        writer.write("bye\n");
        writer.close();
        File log4fConfig = new File(baseDir, "log4j.properties");
        writer = new FileWriter(log4fConfig);
        writer.write(LogUtils.LOG4J_APPENDER_STREAMSETS_FILE_PROPERTY + "=" + logFile.getAbsolutePath() + "\n");
        writer.write(LogUtils.LOG4J_APPENDER_STREAMSETS_LAYOUT_CONVERSION_PATTERN + "=" + CONVERSION_PATTERN);
        writer.close();

        int port = getRandomPort();
        Configuration conf = new Configuration();
        conf.set(WebServerTask.HTTP_PORT_KEY, port);
        conf.set(WebServerTask.AUTHENTICATION_KEY, "none");
        writer = new FileWriter(
                new File(System.getProperty(RuntimeModule.SDC_PROPERTY_PREFIX + RuntimeInfo.CONFIG_DIR),
                        "sdc.properties"));
        conf.save(writer);
        writer.close();
        ObjectGraph dagger = ObjectGraph.create(MainStandalonePipelineManagerModule.class);
        RuntimeInfo runtimeInfo = dagger.get(RuntimeInfo.class);
        runtimeInfo.setAttribute(RuntimeInfo.LOG4J_CONFIGURATION_URL_ATTR,
                new URL("file://" + baseDir + "/log4j.properties"));
        server = dagger.get(TaskWrapper.class);

        server.init();
        server.run();
        return "http://127.0.0.1:" + port;
    } catch (Exception e) {
        System.out.println("Got exception " + e);
        return null;
    }
}

---

From source file:iotest.ModifyArtifactsTest.java

@Test
public void modifyAppServletXml()
        throws UnsupportedEncodingException, FileNotFoundException, IOException, JDOMException {

    System.out.println("please select app-servlet.xml file ");
    JFileChooser fc = new JFileChooser();
    int retValue = fc.showOpenDialog(new JPanel());
    if (retValue == JFileChooser.APPROVE_OPTION) {
        File f = fc.getSelectedFile();

        SAXBuilder builder = new SAXBuilder();

        Document document = (Document) builder.build(f);
        Element rootNode = document.getRootElement();

        List<Element> list = rootNode.getChildren("component-scan",
                Namespace.getNamespace("http://www.springframework.org/schema/context"));

        Element e = list.get(0);//from w  w w  .jav  a 2s.  c  o m

        String cnt = "<context:exclude-filter type=\"regex\" expression=\"pegasus\\.module\\.jfilelooder\\..*\" />";

        e.addContent(cnt);

        XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat()) {
            @Override
            public String escapeElementEntities(String str) {
                return str;
            }
        };

        Writer writer = new OutputStreamWriter(new FileOutputStream(f), "utf-8");
        outputter.output(document, writer);
        writer.close();
    } else {
        System.out.println("Next time select a file.");
        System.exit(1);
    }

}

---

From source file:de.mpg.escidoc.services.fledgeddata.webservice.oaiServlet.java

/**
 * Peform the http GET action. Note that POST is shunted to here as well.
 * The verb widget is taken from the request and used to invoke an
 * OAIVerb object of the corresponding kind to do the actual work of the verb.
 *
 * @param request the servlet's request information
 * @param response the servlet's response information
 * @exception IOException an I/O error occurred
 */// w  ww  . java2 s  .  co m
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    boolean serviceUnavailable = isServiceUnavailable();
    HashMap serverVerbs = ServerVerb.getVerbs();
    request.setCharacterEncoding("UTF-8");

    if (serviceUnavailable) {
        LOGGER.info("[FDS] oai servcice set to 'unavailable' in properties file.");
        response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE,
                "[FDS] Sorry. This server is down for maintenance");
    } else {
        try {
            String result = getResult(request, response, serverVerbs);
            Writer out = getWriter(request, response);
            out.write(result);
            out.close();

        } catch (OAIInternalServerError e) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
        } catch (SocketException e) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
        } catch (Throwable e) {
            e.printStackTrace();
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
        }
    }
}

---

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