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.acmsl.commons.utils.ThrowableUtils.java

/**
 * Retrieves given throwable's stack trace.
 * @param throwable the error to output.
 * @return its stack trace./* w w w  .  jav a2 s .c  om*/
 */
@SuppressWarnings("unused")
@NotNull
public String getStackTrace(@NotNull final Throwable throwable) {
    @NotNull
    final String result;

    @NotNull
    final StringWriter t_swResult = new StringWriter();

    @NotNull
    final PrintWriter t_PrintWriter = new PrintWriter(t_swResult);

    throwable.printStackTrace(t_PrintWriter);

    result = t_swResult.toString();

    t_PrintWriter.close();

    try {
        t_swResult.close();
    } catch (final IOException ioException) {
        LogFactory.getLog(ThrowableUtils.class).fatal("Strange and exceptional error", ioException);
    }

    return result;
}

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From source file:org.tequila.template.directive.freemarker.FileSection.java

@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) {
    log.debug("Executing <@" + getDirectiveName() + " .../>");

    // Check if params were given
    if (params.isEmpty()) {
        throw new DirectiveException(
                "<@" + getDirectiveName() + " .../> 'path, name' are required parameters.");
    }/* w  w  w .java2 s.co m*/

    if (loopVars.length != 0) {
        throw new DirectiveException("<@" + getDirectiveName() + " .../> doesn't allow loop variables.");
    }

    // If there is non-empty nested content:
    if (body != null) {
        try {
            // Executes the nested body. Same as <#nested> in FTL, except
            // that we use our own writer instead of the current output writer.
            String path = null;
            String name = null;
            String appendBeforeLast = null;
            Set<Entry<String, SimpleScalar>> entrySet = params.entrySet();
            for (Entry<String, SimpleScalar> entry : entrySet) {
                String key = entry.getKey();
                SimpleScalar value = entry.getValue();
                if (key.equals(PATH)) {
                    path = value.getAsString();
                } else if (key.equals(NAME)) {
                    name = value.getAsString();
                } else if (key.equals(APPEND_BEFORE_LAST)) {
                    appendBeforeLast = value.getAsString();
                } else {
                    throw new DirectiveException(
                            "<@" + getDirectiveName() + " .../> doesn't allow " + key + " parameter");
                }
            }

            // write the file
            StringWriter sw = new StringWriter();
            BufferedWriter bw = new BufferedWriter(sw);
            body.render(bw);
            env.getOut().flush();
            bw.flush();
            sw.flush();
            bw.close();
            sw.close();
            TemplateProcessed tp = new TemplateProcessed();
            tp.setTemplateResult(sw.toString());
            tp.setOutputFolder(path);
            tp.setOutputFileName(name);

            // notificar a los observadores
            super.setChanged();
            super.notifyObservers(tp);

        } catch (TemplateException ex) {
            throw new DirectiveException("Error al ejecutar la directiva '" + getDirectiveName() + "'", ex);
        } catch (IOException ex) {
            throw new DirectiveException("Error al ejecutar la directiva '" + getDirectiveName() + "'", ex);
        }

    } else {
        throw new DirectiveException("missing body");
    }
}

---

From source file:org.pepstock.jem.ant.validator.transformer.TransformerValidator.java

/**
 * Do the xsl transformation. During the transformation, the transformer
 * object is locked, so the file listner is inhibited to do a refresh of
 * transformer object//  w w w.  j  a v  a 2s.  co  m
 * 
 * @param inXmlContent the in xml content
 * @throws ValidationException the validation exception
 */
private synchronized void transform(String inXmlContent) throws ValidationException {

    // sync is necessary to avoid concurrent access to transformer by file
    // listner
    synchronized (this) {
        StreamSource source = null;
        StreamResult result = null;

        try {
            // traverse the transformation, if some errors are found will be
            // generated some exceptions, otherwise do nothing
            InputStream is = new ByteArrayInputStream(inXmlContent.getBytes(CharSet.DEFAULT));
            source = new StreamSource(is);
            // Use the Transformer to transform an XML Source and send the
            // output to a Result object.
            StringWriter sw = new StringWriter();
            result = new StreamResult(sw);
            transformer.transform(source, result);
            sw.close();

        } catch (TransformerConfigurationException e) {
            throw new ValidationException(e);
        } catch (TransformerException e) {
            throw new ValidationException(e.getMessageAndLocation(), e);
        } catch (Exception e) {
            throw new ValidationException(e);
        }
    }
}

---

From source file:org.camunda.spin.impl.json.jackson.query.JsonPathJacksonProvider.java

public String toJson(Object obj) {
    StringWriter writer = new StringWriter();
    try {/*ww  w .  ja  v  a2  s  .  c o  m*/
        JsonGenerator jsonGenerator = objectMapper.getJsonFactory().createJsonGenerator(writer);
        objectMapper.writeValue(jsonGenerator, obj);
        writer.close();
        return writer.getBuffer().toString();
    } catch (IOException e) {
        throw new InvalidJsonException();
    }
}

---

From source file:com.gmail.tracebachi.DeltaSkins.Shared.MojangApi.java

public JsonArray getUuids() throws IOException, RateLimitedException {
    synchronized (uuidRequestLock) {
        // If requests are empty, do not make a request
        if (uuidRequests.size() <= 0) {
            return new JsonArray();
        }//from   w w w.  j a va 2s . com
    }

    String stringPayload = convertUuidRequestsToStringPayload();

    HttpURLConnection httpConn = openNameToIdConnection();
    httpConn.setRequestMethod("POST");
    httpConn.setRequestProperty("Content-Type", "application/json");
    OutputStream outputStream = httpConn.getOutputStream();

    byte[] payload = stringPayload.getBytes(StandardCharsets.UTF_8);
    outputStream.write(payload);
    outputStream.flush();
    outputStream.close();
    plugin.debugApi("[Payload] " + stringPayload);

    if (httpConn.getResponseCode() == 429) {
        throw new RateLimitedException();
    }

    StringWriter writer = new StringWriter();
    InputStream inputStream = httpConn.getInputStream();
    IOUtils.copy(inputStream, writer, StandardCharsets.UTF_8);
    inputStream.close();
    String response = writer.toString();
    writer.close();
    plugin.debugApi("[Response] " + response);

    synchronized (parserLock) {
        return parser.parse(response).getAsJsonArray();
    }
}

---

From source file:Main.java

/**
 * Convert xml to string./* w w  w. j av  a2  s  .c  o m*/
 *
 * @param pDocument
 *            the p document
 * @param encoding
 *            the encoding
 * @return the string
 * @throws Exception
 *             the exception
 */
public static String convertXML2String(Document pDocument, String encoding) throws Exception {
    TransformerFactory transformerFactory = null;
    Transformer transformer = null;
    DOMSource domSource = null;
    StringWriter writer = new java.io.StringWriter();
    StreamResult result = null;

    try {
        transformerFactory = TransformerFactory.newInstance();
        if (transformerFactory == null) {
            throw new Exception("TransformerFactory error");
        }

        transformer = transformerFactory.newTransformer();
        if (transformer == null) {
            throw new Exception("Transformer error");
        }

        if (encoding != null) {
            transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
        } else {
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        }

        domSource = new DOMSource(pDocument);
        result = new StreamResult(writer);

        transformer.transform(domSource, result);

        return writer.toString();
    } catch (TransformerFactoryConfigurationError e) {
        throw new Exception("TransformerFactoryConfigurationError", e);
    } catch (TransformerConfigurationException e) {
        throw new Exception("TransformerConfigurationException", e);
    } catch (TransformerException e) {
        throw new Exception("TransformerException", e);
    } finally {
        try {
            if (writer != null) {
                writer.close();
            }
        } catch (IOException ex) {
            throw new Exception("IO error", ex);
        }
    }
}

---

From source file:gdv.xport.satz.SatzTest.java

/**
 * Ein Export mit einem Teildatensatz sollte aus genau 256 Bytes bestehen,
 * da in der SetUp-Methode das EOD-Zeichen auf "" gesetzt wurde.
 *
 * @throws IOException//from  w w w. j a  v a 2s  . c om
 *             sollte nicht auftreten, da wir mit StringWriter arbeiten
 */
@Test
public void testExport() throws IOException {
    StringWriter swriter = new StringWriter(256);
    satz.export(swriter, "");
    swriter.close();
    String content = swriter.toString();
    assertEquals(256, content.length());
    assertEquals(satz.getSatzartFeld().getInhalt(), content.substring(0, 4));
}

---

From source file:plugins.GerritTriggerTest.java

private String stringFrom(Process curl) throws InterruptedException, IOException {
    assertThat(curl.waitFor(), is(equalTo(0)));
    StringWriter writer = new StringWriter();
    IOUtils.copy(curl.getInputStream(), writer);
    String string = writer.toString().replaceAll(System.getProperty("line.separator"), "").replaceAll(" ", "");
    writer.close();
    return string;
}

---

From source file:org.broadleafcommerce.openadmin.web.resource.MessagesResourceResolver.java

protected String getResourceContents(Resource resource) throws IOException {
    StringWriter writer = null;

    String contents;/*from  ww w.  j a  v  a 2s  . c om*/
    try {
        writer = new StringWriter();
        IOUtils.copy(resource.getInputStream(), writer, "UTF-8");
        contents = writer.toString();
    } finally {
        if (writer != null) {
            writer.flush();
            writer.close();
        }
    }

    return contents;
}

---

From source file:org.broadleafcommerce.common.web.resource.AbstractGeneratedResourceHandler.java

/**
 * @param resource//from   ww  w . j  a  v  a 2 s .  c  o  m
 * @return the UTF-8 String represetation of the contents of the resource
 */
protected String getResourceContents(Resource resource) throws IOException {
    StringWriter writer = null;
    try {
        writer = new StringWriter();
        IOUtils.copy(resource.getInputStream(), writer, "UTF-8");
        return writer.toString();
    } finally {
        if (writer != null) {
            writer.flush();
            writer.close();
        }
    }
}

---

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