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.geowebcache.rest.layers.TileLayerRestlet.java

/**
 * We separate out the internal to make unit testing easier
 * /*w w w  .  j ava  2s .com*/
 * @param layerName
 * @param formatExtension
 * @param is
 * @return
 * @throws RestletException
 * @throws IOException
 */
protected TileLayer deserializeAndCheckLayerInternal(String layerName, String formatExtension, InputStream is)
        throws RestletException, IOException {

    XStream xs = xmlConfig.getConfiguredXStreamWithContext(new XStream(new DomDriver()), Context.REST);

    TileLayer newLayer;

    try {
        if (formatExtension.equalsIgnoreCase("xml")) {
            newLayer = (TileLayer) xs.fromXML(is);
        } else if (formatExtension.equalsIgnoreCase("json")) {
            HierarchicalStreamDriver driver = new JettisonMappedXmlDriver();
            HierarchicalStreamReader hsr = driver.createReader(is);
            // See http://jira.codehaus.org/browse/JETTISON-48
            StringWriter writer = new StringWriter();
            new HierarchicalStreamCopier().copy(hsr, new PrettyPrintWriter(writer));
            writer.close();
            newLayer = (TileLayer) xs.fromXML(writer.toString());
        } else {
            throw new RestletException("Unknown or missing format extension: " + formatExtension,
                    Status.CLIENT_ERROR_BAD_REQUEST);
        }
    } catch (ConversionException xstreamExceptionWrapper) {
        Throwable cause = xstreamExceptionWrapper.getCause();
        if (cause instanceof Error) {
            throw (Error) cause;
        }
        if (cause instanceof RuntimeException) {
            throw (RuntimeException) cause;
        }
        if (cause != null) {
            throw new RestletException(cause.getMessage(), Status.SERVER_ERROR_INTERNAL, (Exception) cause);
        } else {
            throw new RestletException(xstreamExceptionWrapper.getMessage(), Status.SERVER_ERROR_INTERNAL,
                    xstreamExceptionWrapper);
        }
    }

    if (!newLayer.getName().equals(layerName)) {
        throw new RestletException(
                "There is a mismatch between the name of the "
                        + " layer in the submission and the URL you specified.",
                Status.CLIENT_ERROR_BAD_REQUEST);
    }

    // Check that the parameter filters deserialized correctly
    if (newLayer.getParameterFilters() != null) {
        try {
            for (@SuppressWarnings("unused")
            ParameterFilter filter : newLayer.getParameterFilters()) {
                // Don't actually need to do anything here.  Just iterate over the elements 
                // casting them into ParameterFilter
            }
        } catch (ClassCastException ex) {
            // By this point it has already been turned into a POJO, so the XML is no longer 
            // available.  Otherwise it would be helpful to include in the error message.
            throw new RestletException(
                    "parameterFilters contains an element that is not " + "a known ParameterFilter",
                    Status.CLIENT_ERROR_BAD_REQUEST);
        }
    }

    return newLayer;
}

---

From source file:siddur.solidtrust.insurancehelper.InsuranceService.java

public int saveRecordsFromFile(File file, boolean replace, List<String> exceptions) throws Exception {
    if (replace) {
        //delete old ones
        String ql = "truncate table InsuranceCar";
        int rows = persister.executeNativeQuery(ql);
        log4j.info("clean " + rows + " overdue rows");
    }/*  w  w  w  .jav a2s .  c o m*/

    InputStream is = new FileInputStream(file);
    Reader br = new InputStreamReader(is);
    StringWriter ws = new StringWriter((int) file.length());

    int bufSize = 1024 * 8;
    char[] buf = new char[bufSize];
    int len = 0;
    while ((len = br.read(buf)) > 0) {
        ws.write(buf, 0, len);
    }

    br.close();
    ws.close();

    int batch = 5000;
    List<InsuranceCar> cars = new ArrayList<InsuranceCar>(batch);
    int i = 0;
    StringTokenizer st = new StringTokenizer(ws.toString());
    while (st.hasMoreTokens()) {
        String s = st.nextToken().trim();
        if (s.length() != 6) {
            exceptions.add(s);
            continue;
        }
        i++;
        InsuranceCar car = new InsuranceCar();
        car.setLicensePlate(s);
        car.setTableName(tables[0]); // Marktplaats
        cars.add(car);
        if (i % batch == 0) {
            if (replace) {
                persister.persist(cars);
            } else {
                persister.merge(cars);
            }
            log4j.info("Saved " + cars.size() + " records");
            cars = new ArrayList<InsuranceCar>(batch);
        }
    }

    if (replace) {
        persister.persist(cars);
    } else {
        persister.merge(cars);
    }
    log4j.info("Saved " + cars.size() + " records");
    log4j.info("Totally saved " + i + " records");

    log4j.info("Save parralel records of other tables");
    for (int j = 1; j < tables.length; j++) {
        String table = tables[j];
        String ql = "insert into InsuranceCar(licensePlate, tableName, stadagen, status)"
                + " select licensePlate, '" + table + "', 0, 0 from InsuranceCar" + " where tableName='"
                + tables[0] + "'";
        int rows = persister.executeNativeQuery(ql);
        log4j.info("Duplicate '" + table + "' from '" + tables[0] + "': " + rows);
    }
    return i;
}

---

From source file:com.lucidtechnics.blackboard.util.error.ErrorManager.java

public void warnException(Throwable _throwable, Log _logger) {
    PrintWriter printWriter = null;
    StringWriter stringWriter = null;

    try {/*from w  ww  . j  a  v  a 2 s  . c om*/
        _logger.warn("Encountered exception with message: " + _throwable.getMessage());
        _logger.warn("WITH JAVA STACK TRACE:\n");

        stringWriter = new StringWriter();
        printWriter = new PrintWriter(stringWriter);

        _throwable.printStackTrace(printWriter);

        _logger.error(stringWriter.toString());
    } catch (Exception e) {

    } finally {
        if (stringWriter != null) {
            try {
                stringWriter.close();
            } catch (Exception e) {
            }
        }
        if (printWriter != null) {
            try {
                printWriter.close();
            } catch (Exception e) {
            }
        }
    }
}

---

From source file:com.lucidtechnics.blackboard.util.error.ErrorManager.java

public void logException(Throwable _throwable, Log _logger) {
    PrintWriter printWriter = null;
    StringWriter stringWriter = null;

    try {//from  w ww.  j a  v a 2  s.  c  om
        _logger.error("Encountered exception with message: " + _throwable.getMessage());
        _logger.error("WITH JAVA STACK TRACE:\n");

        stringWriter = new StringWriter();
        printWriter = new PrintWriter(stringWriter);

        _throwable.printStackTrace(printWriter);

        _logger.error(stringWriter.toString());
    } catch (Exception e) {

    } finally {
        if (stringWriter != null) {
            try {
                stringWriter.close();
            } catch (Exception e) {
            }
        }
        if (printWriter != null) {
            try {
                printWriter.close();
            } catch (Exception e) {
            }
        }
    }
}

---

From source file:org.rhq.enterprise.server.rest.AbstractRestBean.java

/**
 * Renders the passed object with the help of a freemarker template into a string. Freemarket templates
 * are searched in the class path in a directory called "/rest_templates". In the usual Maven tree structure,
 * this is below src/main/resources/.//from ww w  . j  a  va  2  s. c om
 *
 * @param templateName Template to use for rendering. If the template name does not end in .ftl, .ftl is appended.
 * @param objectToRender Object to render via template
 * @return Template filled with data from objectToRender
 */
protected String renderTemplate(String templateName, Object objectToRender) {
    try {
        freemarker.template.Configuration config = new Configuration();

        // XXX fall-over to ClassTL after failure in FTL seems not to work
        // FileTemplateLoader ftl = new FileTemplateLoader(new File("src/main/resources"));
        ClassTemplateLoader ctl = new ClassTemplateLoader(getClass(), "/rest_templates/");
        TemplateLoader[] loaders = new TemplateLoader[] { ctl };
        MultiTemplateLoader mtl = new MultiTemplateLoader(loaders);

        config.setTemplateLoader(mtl);

        if (!templateName.endsWith(".ftl"))
            templateName = templateName + ".ftl";
        Template template = config.getTemplate(templateName);

        StringWriter out = new StringWriter();
        try {
            Map<String, Object> root = new HashMap<String, Object>();
            root.put("var", objectToRender);
            template.process(root, out);
            return out.toString();
        } finally {
            out.close();
        }
    } catch (IOException ioe) {
        log.error(ioe);
    } catch (TemplateException te) {
        log.error(te.getMessage());
    }
    return null;
}

---

From source file:gpms.utils.PolicyTestUtil.java

/**
 * This creates the XACML request from a file
 *
 * @param rootDirectory//from  w ww  .  j  av a 2s  .c om
 *            root directory of the request files
 * @param versionDirectory
 *            version directory of the request files
 * @param requestId
 *            request file name
 * @return String or null if any error
 */
public static String createRequest(String rootDirectory, String versionDirectory, String requestId) {

    File file = new File(".");
    StringWriter writer = null;
    try {
        String filePath = file.getCanonicalPath() + File.separator + TestConstants.RESOURCE_PATH
                + File.separator + rootDirectory + File.separator + versionDirectory + File.separator
                + TestConstants.REQUEST_DIRECTORY + File.separator + requestId;

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setIgnoringComments(true);
        factory.setNamespaceAware(true);
        DocumentBuilder db = factory.newDocumentBuilder();
        Document doc = db.parse(new FileInputStream(filePath));
        DOMSource domSource = new DOMSource(doc);
        writer = new StringWriter();
        StreamResult result = new StreamResult(writer);
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.transform(domSource, result);
        return writer.toString();
    } catch (Exception e) {
        log.error("Error while reading expected response from file ", e);
        // ignore any exception and return null
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (IOException e) {
                log.error("Error closing stream ", e);
                // ignore any exception and return null
            }
        }
    }
    return null;
}

---

From source file:com.comcast.cqs.util.Util.java

public static String decompress(String compressed) throws IOException {
    if (compressed == null || compressed.equals("")) {
        return compressed;
    }// w w w . j a  va2  s  .  c om
    Reader reader = null;
    StringWriter writer = null;
    try {
        if (!compressed.startsWith("H4sIA")) {
            String prefix = compressed;
            if (compressed.length() > 100) {
                prefix = prefix.substring(0, 99);
            }
            logger.warn("event=content_does_not_appear_to_be_zipped message=" + prefix);
            return compressed;
        }
        byte[] unencodedEncrypted = Base64.decodeBase64(compressed);
        ByteArrayInputStream in = new ByteArrayInputStream(unencodedEncrypted);
        GZIPInputStream gzip = new GZIPInputStream(in);
        reader = new InputStreamReader(gzip, "UTF-8");
        writer = new StringWriter();
        char[] buffer = new char[10240];
        for (int length = 0; (length = reader.read(buffer)) > 0;) {
            writer.write(buffer, 0, length);
        }
    } finally {
        if (writer != null) {
            writer.close();
        }
        if (reader != null) {
            reader.close();
        }
    }
    String decompressed = writer.toString();
    logger.info("event=decompressed from=" + compressed.length() + " to=" + decompressed.length());
    return decompressed;
}

---

From source file:com.bizosys.hsearch.index.DocMeta.java

@Override
public String toString() {
    StringWriter writer = new StringWriter();
    try {//from   w w w  . j  av a2 s.co m
        toXml(writer);
        writer.close();
        return writer.toString();
        //   Closing a StringWriter has no effect.
    } catch (Exception ex) {
        IndexLog.l.fatal(ex);
        return ex.getMessage();
    }
}

---

From source file:de.dfki.resc28.flapjack.services.BaseService.java

@GET
@Produces({ MediaType.TEXT_HTML, Constants.CT_IMAGE_SVG_XML })
public Response getSVG() {
    IResource r = getResourceManager().get(getCanonicalURL(fRequestUrl.getRequestUri()));

    if (r == null) {
        return Response.status(Status.NOT_FOUND).build();
    }//w  w  w . j a  v  a 2 s  .  co m

    try {
        String syntax = "RDF/XML";
        StringWriter out = new StringWriter();
        r.getModel().write(out, syntax);

        List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
        urlParameters.add(
                new BasicNameValuePair("rules", "http://rhizomik.net/html/redefer/rdf2svg/showgraph.jrule"));
        urlParameters.add(new BasicNameValuePair("format", "RDF/XML"));
        urlParameters.add(new BasicNameValuePair("rdf", out.toString()));
        out.close();

        CloseableHttpClient client = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost("http://rhizomik.net/redefer-services/render");
        httpPost.setEntity(new UrlEncodedFormEntity(urlParameters));

        HttpResponse response = client.execute(httpPost);

        InputStream in = response.getEntity().getContent();
        StringWriter writer = new StringWriter();
        IOUtils.copy(in, writer, "UTF-8");
        return Response.ok(writer.toString()).type("image/svg+xml").build();
    } catch (Exception e) {
        return Response.status(Status.INTERNAL_SERVER_ERROR).build();
    }
}

---

From source file:com.redhat.jenkins.plugins.ci.integration.FedMsgMessagingPluginIntegrationTest.java

private Process logProcessBuilderIssues(ProcessBuilder pb, String commandName)
        throws InterruptedException, IOException {
    String dir = "";
    if (pb.directory() != null) {
        dir = pb.directory().getAbsolutePath();
    }/*from www  .j a v  a2 s. c  o m*/
    System.out.println("Running : " + pb.command() + " => directory: " + dir);
    Process processToRun = pb.start();
    int result = processToRun.waitFor();
    if (result != 0) {
        StringWriter writer = new StringWriter();
        IOUtils.copy(processToRun.getErrorStream(), writer);
        System.out.println("Issue occurred during command \"" + commandName + "\":\n" + writer.toString());
        writer.close();
    }
    return processToRun;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• »