Example usage for java.io StringWriter close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closing a StringWriter has no effect.

Usage

From source file:org.apache.hadoop.lib.service.instrumentation.TestInstrumentationService.java

@Test
public void sampler() throws Exception {
    final long value[] = new long[1];
    Instrumentation.Variable<Long> var = new Instrumentation.Variable<Long>() {
        @Override//from   ww  w .  j ava2 s . c o  m
        public Long getValue() {
            return value[0];
        }
    };

    InstrumentationService.Sampler sampler = new InstrumentationService.Sampler();
    sampler.init(4, var);
    assertEquals(sampler.getRate(), 0f, 0.0001);
    sampler.sample();
    assertEquals(sampler.getRate(), 0f, 0.0001);
    value[0] = 1;
    sampler.sample();
    assertEquals(sampler.getRate(), (0d + 1) / 2, 0.0001);
    value[0] = 2;
    sampler.sample();
    assertEquals(sampler.getRate(), (0d + 1 + 2) / 3, 0.0001);
    value[0] = 3;
    sampler.sample();
    assertEquals(sampler.getRate(), (0d + 1 + 2 + 3) / 4, 0.0001);
    value[0] = 4;
    sampler.sample();
    assertEquals(sampler.getRate(), (4d + 1 + 2 + 3) / 4, 0.0001);

    JSONObject json = (JSONObject) new JSONParser().parse(sampler.toJSONString());
    assertEquals(json.size(), 2);
    assertEquals(json.get("sampler"), sampler.getRate());
    assertEquals(json.get("size"), 4L);

    StringWriter writer = new StringWriter();
    sampler.writeJSONString(writer);
    writer.close();
    json = (JSONObject) new JSONParser().parse(writer.toString());
    assertEquals(json.size(), 2);
    assertEquals(json.get("sampler"), sampler.getRate());
    assertEquals(json.get("size"), 4L);
}

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From source file:com.webcohesion.enunciate.modules.gwt_json_overlay.GWTJSONOverlayModule.java

/**
 * Processes the specified template with the given model.
 *
 * @param templateURL The template URL.//w w  w .  j  av a2 s .  co  m
 * @param model       The root model.
 */
public String processTemplate(URL templateURL, Object model) throws IOException, TemplateException {
    debug("Processing template %s.", templateURL);
    Configuration configuration = new Configuration(Configuration.VERSION_2_3_22);

    configuration.setTemplateLoader(new URLTemplateLoader() {
        protected URL getURL(String name) {
            try {
                return new URL(name);
            } catch (MalformedURLException e) {
                return null;
            }
        }
    });

    configuration.setTemplateExceptionHandler(new TemplateExceptionHandler() {
        public void handleTemplateException(TemplateException templateException, Environment environment,
                Writer writer) throws TemplateException {
            throw templateException;
        }
    });

    configuration.setLocalizedLookup(false);
    configuration.setDefaultEncoding("UTF-8");
    configuration.setObjectWrapper(new GWTJSONOverlayObjectWrapper());
    Template template = configuration.getTemplate(templateURL.toString());
    StringWriter unhandledOutput = new StringWriter();
    template.process(model, unhandledOutput);
    unhandledOutput.close();
    return unhandledOutput.toString();
}

---

From source file:org.hawkular.apm.server.elasticsearch.SpanServiceElasticsearch.java

private String serialize(Object object) throws IOException {
    StringWriter out = new StringWriter();

    JsonGenerator gen = mapper.getFactory().createGenerator(out);
    gen.writeObject(object);/*  w ww  .j ava2s  .  c  o m*/

    gen.close();
    out.close();

    return out.toString();
}

---

From source file:org.i3xx.step.uno.impl.ScriptCacheImpl.java

/**
 * Reads a script from the cache//from  w  w  w .  j  a  va 2  s.  com
 * 
 * @param index The index of the cached element
 * @return The String read
 * @throws IOException
 */
public String read(int index) throws IOException {
    ByteArrayInputStream bin = new ByteArrayInputStream(buffer[index]);
    InputStream in = compress ? new GZIPInputStream(bin) : bin;
    InputStreamReader r = new InputStreamReader(in);
    StringWriter w = new StringWriter();

    char[] cbuf = new char[1024];
    int c = 0;

    while ((c = r.read(cbuf)) > -1)
        w.write(cbuf, 0, c);

    r.close();
    w.close();

    return w.toString();
}

---

From source file:screenieup.MixtapeUpload.java

private String getResponse(HttpURLConnection conn) throws IOException {
    System.out.println("Waiting for response...");
    String response = "No response received, or something has gone wrong.";
    String charset = "UTF-8";
    InputStream gzippedResponse = conn.getInputStream();
    InputStream ungzippedResponse = new GZIPInputStream(gzippedResponse);
    Reader reader = new InputStreamReader(ungzippedResponse, charset);
    StringWriter writer = new StringWriter();
    char[] buffer = new char[10240];
    for (int length = 0; (length = reader.read(buffer)) > 0;) {
        writer.write(buffer, 0, length);
    }/*w  w w.  ja va 2 s  .  c om*/
    response = writer.toString();
    writer.close();
    reader.close();
    reader.close();
    return response;
}

---

From source file:org.bibsonomy.scraper.url.kde.blackwell.BlackwellSynergyScraper.java

/** FIXME: refactor
 * Extract the content of a scitation.aip.org page.
 * (changed code from ScrapingContext.getContentAsString)
 * @param urlConn Connection to api page (from url.openConnection())
 * @param cookie Cookie for auth./*ww  w . j a  v a2  s  .co  m*/
 * @return Content of aip page.
 * @throws IOException
 */
private String getPageContent(HttpURLConnection urlConn, String cookie) throws IOException {

    urlConn.setAllowUserInteraction(true);
    urlConn.setDoInput(true);
    urlConn.setDoOutput(false);
    urlConn.setUseCaches(false);
    urlConn.setFollowRedirects(true);
    urlConn.setInstanceFollowRedirects(false);
    urlConn.setRequestProperty("Cookie", cookie);

    urlConn.setRequestProperty("User-Agent",
            "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)");
    urlConn.connect();

    // build content
    StringWriter out = new StringWriter();
    InputStream in = new BufferedInputStream(urlConn.getInputStream());
    int b;
    while ((b = in.read()) >= 0) {
        out.write(b);
    }

    urlConn.disconnect();
    in.close();
    out.flush();
    out.close();

    return out.toString();
}

---

From source file:org.apache.ambari.view.hive.resources.uploads.TableDataReader.java

@Override
public int read(char[] cbuf, int off, int len) throws IOException {

    int totalLen = len;
    int count = 0;
    do {/*www.  j  a  v  a  2  s.c o  m*/
        int n = stringReader.read(cbuf, off, len);

        if (n != -1) {
            // n  were read
            len = len - n; // len more to be read
            off = off + n; // off now shifted to n more
            count += n;
        }

        if (count == totalLen)
            return count; // all totalLen characters were read

        if (iterator.hasNext()) { // keep reading as long as we keep getting rows
            StringWriter stringWriter = new StringWriter(CAPACITY);
            CSVPrinter csvPrinter = new CSVPrinter(stringWriter, CSV_FORMAT);
            Row row = iterator.next();
            csvPrinter.printRecord(row.getRow());
            stringReader.close(); // close the old string reader
            stringReader = new StringReader(stringWriter.getBuffer().toString());
            csvPrinter.close();
            stringWriter.close();
        } else {
            return count == 0 ? -1 : count;
        }
    } while (count < totalLen);

    return count;
}

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From source file:org.eclipse.scada.utils.pkg.deb.DebianPackageWriter.java

protected ContentProvider createControlContent() throws IOException {
    this.packageControlFile.set(BinaryPackageControlFile.Fields.INSTALLED_SIZE, "" + this.installedSize);

    final StringWriter sw = new StringWriter();
    try (ControlFileWriter writer = new ControlFileWriter(sw)) {
        this.packageControlFile.write(writer);
    }/*from   www  .ja v  a  2 s  .c o m*/
    sw.close();

    return new StaticContentProvider(sw.toString());
}

---

From source file:nl.ru.cmbi.vase.web.rest.JobRestResource.java

@MethodMapping(value = "/hsspresult/{id}", httpMethod = HttpMethod.GET, produces = RestMimeTypes.TEXT_PLAIN)
public String hsspResult(String id) {

    if (Config.isXmlOnly()) {

        log.warn("rest/hsspresult was requested, but not enabled");

        // hssp job submission is not allowed if hssp is turned off
        throw new AbortWithHttpErrorCodeException(HttpURLConnection.HTTP_NOT_FOUND);
    }/*from   w ww  . j  a  v a 2s. c  om*/

    File hsspFile = new File(Config.getHSSPCacheDir(), id + ".hssp.bz2");

    String jobStatus = this.status(id);

    try {

        if (jobStatus.equals("SUCCESS") && hsspFile.isFile()) {

            StringWriter sw = new StringWriter();
            InputStream hsspIn = new BZip2CompressorInputStream(new FileInputStream(hsspFile));
            IOUtils.copy(hsspIn, sw);
            hsspIn.close();
            sw.close();

            return sw.toString();
        }

        URL url = new URL(hsspRestURL + "/result/pdb_file/hssp_stockholm/" + id + "/");

        Writer writer = new StringWriter();
        IOUtils.copy(url.openStream(), writer);
        writer.close();

        JSONObject output = new JSONObject(writer.toString());

        String result = output.getString("result");

        if (jobStatus.equals("SUCCESS") && Config.hsspPdbCacheEnabled()) {

            // Write it to the cache:
            OutputStream fileOut = new BZip2CompressorOutputStream(new FileOutputStream(hsspFile));
            IOUtils.write(result, fileOut);
            fileOut.close();
        } else
            return "";

        return result;

    } catch (Exception e) {

        log.error(e.getMessage(), e);
        throw new AbortWithHttpErrorCodeException(HttpURLConnection.HTTP_INTERNAL_ERROR);
    }
}

---

From source file:screenieup.UguuUpload.java

/**
 * Get a response from Uguu.//from ww  w .ja v a 2s.co  m
 * @param conn the connection to use to listen to response.
 * @return 
 * @throws IOException during reading GZip response
 */
private String getResponse(HttpURLConnection conn) throws IOException {
    System.out.println("Waiting for response...");
    String charset = "UTF-8"; // You should determine it based on response header.
    InputStream gzippedResponse = conn.getInputStream();
    InputStream ungzippedResponse = new GZIPInputStream(gzippedResponse);
    Reader reader = new InputStreamReader(ungzippedResponse, charset);
    StringWriter writer = new StringWriter();
    char[] buffer = new char[10240];
    for (int length = 0; (length = reader.read(buffer)) > 0;) {
        writer.write(buffer, 0, length);
    }
    String response = writer.toString();
    writer.close();
    reader.close();
    return response;
}

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