Example usage for java.io StringWriter StringWriter

List of usage examples for java.io StringWriter StringWriter

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. StringWriter
  6. StringWriter

Introduction

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

Prototype

public StringWriter()

Source Link

Document

Create a new string writer using the default initial string-buffer size.

Usage

From source file:com.websocket.server.commons.JsonPojoMapper.java

public static String toJson(Object pojo, boolean prettyPrint)
        throws JsonMappingException, JsonGenerationException, IOException {
    StringWriter sw = new StringWriter();
    JsonGenerator jsonGen = jsonFactory.createJsonGenerator(sw);
    if (prettyPrint) {
        jsonGen.useDefaultPrettyPrinter();
    }//w  w w .  ja  v a  2 s  .  c o  m
    mapper.writeValue(jsonGen, pojo);
    return sw.toString();
}

From source file:Main.java

public static final void prettyPrint(Document xml) throws Exception {
    Transformer tf = TransformerFactory.newInstance().newTransformer();
    tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    tf.setOutputProperty(OutputKeys.INDENT, "yes");
    Writer out = new StringWriter();
    tf.transform(new DOMSource(xml), new StreamResult(out));
    System.out.println(out.toString());
}

From source file:Main.java

public static String nodeListToString(NodeList nodeList) throws TransformerException {
    StringWriter stringWriter = new StringWriter();
    for (int i = 0; i < nodeList.getLength(); ++i) {
        Node node = nodeList.item(i);
        if (node instanceof Element) {
            Transformer transformer = TransformerFactory.newInstance().newTransformer();
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
            transformer.transform(new DOMSource(node), new StreamResult(stringWriter));
        } else {//from   ww w  . j  a  va  2s  .  c  o  m
            stringWriter.append(node.getTextContent());
        }
    }
    return stringWriter.toString();
}

From source file:Main.java

/**
 * *****************************************
 * Convert XML document to string//from   w w w.j a v a 2s . c o m
 * ******************************************.
 *
 * @param xmlDocument the xml document
 * @return the string
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws TransformerException the transformer exception
 */
public static String converXmlDocToString(Document xmlDocument) throws IOException, TransformerException {
    String xmlString = "";

    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");

    StringWriter writer = new StringWriter();
    transformer.transform(new DOMSource(xmlDocument), new StreamResult(writer));
    xmlString = writer.getBuffer().toString().replaceAll("\n|\r", "");
    return xmlString;
}

From source file:com.kaaprotech.satu.util.CmdLineUtil.java

public static String getCommandLineUsageMessage() {
    final HelpFormatter formatter = new HelpFormatter();
    final StringWriter sw = new StringWriter();
    final PrintWriter pw = new PrintWriter(sw, true);
    pw.println();/*  ww w. j a  v a 2  s  .c  o m*/
    formatter.printHelp(pw, 120, "Satu", null, getOptions(), 2, 10, null);
    return sw.getBuffer().toString();
}

From source file:Main.java

public static String getStringFromXmlDoc(org.w3c.dom.Node node) throws Exception {
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    StringWriter writer = new StringWriter();
    transformer.transform(new DOMSource(node), new StreamResult(writer));
    return writer.getBuffer().toString().replaceAll("\n|\r", "");
}

From source file:fr.inria.atlanmod.instantiator.neoEMF.Launcher.java

public static void main(String[] args) throws GenerationException, IOException {

    ResourceSetImpl resourceSet = new ResourceSetImpl();
    { // initializing the registry

        resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(EcorePackage.eNS_PREFIX,
                new EcoreResourceFactoryImpl());
        resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap()
                .put(Resource.Factory.Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoEMFURI.NEOEMF_HBASE_SCHEME,
                NeoEMFResourceFactory.eINSTANCE);

    }/*from   ww w .j  a  v a  2s.  com*/

    Options options = new Options();

    configureOptions(options);

    CommandLineParser parser = new GnuParser();

    try {
        CommandLine commandLine = parser.parse(options, args);

        String epackage_class = commandLine.getOptionValue(E_PACKAGE_CLASS);

        LOGGER.info("Start loading the package");
        Class<?> inClazz = Launcher.class.getClassLoader().loadClass(epackage_class);
        EPackage _package = (EPackage) inClazz.getMethod("init").invoke(null);

        Resource metamodelResource = new XMIResourceImpl(URI.createFileURI("dummy"));
        metamodelResource.getContents().add(_package);
        LOGGER.info("Finish loading the package");

        int size = Launcher.DEFAULT_AVERAGE_MODEL_SIZE;
        if (commandLine.hasOption(SIZE)) {
            Number number = (Number) commandLine.getParsedOptionValue(SIZE);
            size = (int) Math.min(Integer.MAX_VALUE, number.longValue());
        }

        float variation = Launcher.DEFAULT_DEVIATION;
        if (commandLine.hasOption(VARIATION)) {
            Number number = (Number) commandLine.getParsedOptionValue(VARIATION);
            if (number.floatValue() < 0.0f || number.floatValue() > 1.0f) {
                throw new ParseException(MessageFormat.format("Invalid value for option -{0}: {1}", VARIATION,
                        number.floatValue()));
            }
            variation = number.floatValue();
        }

        float propVariation = Launcher.DEFAULT_DEVIATION;
        if (commandLine.hasOption(PROP_VARIATION)) {
            Number number = (Number) commandLine.getParsedOptionValue(PROP_VARIATION);
            if (number.floatValue() < 0.0f || number.floatValue() > 1.0f) {
                throw new ParseException(MessageFormat.format("Invalid value for option -{0}: {1}",
                        PROP_VARIATION, number.floatValue()));
            }
            propVariation = number.floatValue();
        }

        long seed = System.currentTimeMillis();
        if (commandLine.hasOption(SEED)) {
            seed = ((Number) commandLine.getParsedOptionValue(SEED)).longValue();
        }

        Range<Integer> range = Range.between(Math.round(size * (1 - variation)),
                Math.round(size * (1 + variation)));

        GenericMetamodelConfig config = new GenericMetamodelConfig(metamodelResource, range, seed);
        GenericMetamodelGenerator modelGen = new GenericMetamodelGenerator(config);

        if (commandLine.hasOption(OUTPUT_PATH)) {
            String outDir = commandLine.getOptionValue(OUTPUT_PATH);
            //java.net.URI intermediateURI = java.net.URI.create(outDir);
            modelGen.setSamplesPath(outDir);
        }

        int numberOfModels = 1;
        if (commandLine.hasOption(N_MODELS)) {
            numberOfModels = ((Number) commandLine.getParsedOptionValue(N_MODELS)).intValue();
        }

        int valuesSize = GenericMetamodelConfig.DEFAULT_AVERAGE_VALUES_LENGTH;
        if (commandLine.hasOption(VALUES_SIZE)) {
            Number number = (Number) commandLine.getParsedOptionValue(VALUES_SIZE);
            valuesSize = (int) Math.min(Integer.MAX_VALUE, number.longValue());
        }

        int referencesSize = GenericMetamodelConfig.DEFAULT_AVERAGE_REFERENCES_SIZE;
        if (commandLine.hasOption(VALUES_SIZE)) {
            Number number = (Number) commandLine.getParsedOptionValue(DEGREE);
            referencesSize = (int) Math.min(Integer.MAX_VALUE, number.longValue());
        }

        config.setValuesRange(Math.round(valuesSize * (1 - propVariation)),
                Math.round(valuesSize * (1 + propVariation)));

        config.setReferencesRange(Math.round(referencesSize * (1 - propVariation)),
                Math.round(referencesSize * (1 + propVariation)));

        config.setPropertiesRange(Math.round(referencesSize * (1 - propVariation)),
                Math.round(referencesSize * (1 + propVariation)));

        long start = System.currentTimeMillis();
        modelGen.runGeneration(resourceSet, numberOfModels, size, variation);
        long end = System.currentTimeMillis();
        LOGGER.info(
                MessageFormat.format("Generation finished after {0} s", Long.toString((end - start) / 1000)));

        if (commandLine.hasOption(DIAGNOSE)) {
            for (Resource resource : resourceSet.getResources()) {
                LOGGER.info(
                        MessageFormat.format("Requested validation for resource ''{0}''", resource.getURI()));
                BasicDiagnostic diagnosticChain = diagnoseResource(resource);
                if (!isFailed(diagnosticChain)) {
                    LOGGER.info(MessageFormat.format("Result of the diagnosis of resurce ''{0}'' is ''OK''",
                            resource.getURI()));
                } else {
                    LOGGER.severe(MessageFormat.format("Found ''{0}'' error(s) in the resource ''{1}''",
                            diagnosticChain.getChildren().size(), resource.getURI()));
                    for (Diagnostic diagnostic : diagnosticChain.getChildren()) {
                        LOGGER.fine(diagnostic.getMessage());
                    }
                }
            }
            LOGGER.info("Validation finished");
        }

    } catch (ParseException e) {
        System.err.println(e.getLocalizedMessage());
        HelpFormatter formatter = new HelpFormatter();
        formatter.setOptionComparator(new OptionComarator<Option>());
        try {
            formatter.setWidth(Math.max(Terminal.getTerminal().getTerminalWidth(), 80));
        } catch (Throwable t) {
            LOGGER.warning("Unable to get console information");
        }
        ;
        formatter.printHelp("java -jar <this-file.jar>", options, true);
        System.exit(ERROR);
    } catch (ClassNotFoundException t) {
        System.err.println("ERROR: Unable to load class" + t.getLocalizedMessage());
        StringWriter stringWriter = new StringWriter();
        t.printStackTrace(new PrintWriter(stringWriter));
        System.err.println(stringWriter.toString());
    } catch (Throwable t) {
        System.err.println("ERROR: " + t.getLocalizedMessage());
        StringWriter stringWriter = new StringWriter();
        t.printStackTrace(new PrintWriter(stringWriter));
        System.err.println(t);
        LOGGER.severe(stringWriter.toString());
        System.exit(ERROR);
    }
}

From source file:Main.java

/**
 * Returns the content of the given node as string
 */// w  ww .  j  a  va 2 s .co m
public static String toString(final Node node) {
    final StringWriter out = new StringWriter();
    write(node, new StreamResult(out));
    return out.toString();
}

From source file:Main.java

private static String getIndented(Document aDoc) {
    String outputXml = "";
    try {/*from   w w  w.j  a  v a 2 s. c o m*/
        TransformerFactory tf = TransformerFactory.newInstance();
        //      tf.setAttribute("indent-number", new Integer(4));
        Transformer transformer;
        transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.MEDIA_TYPE, "text/xml");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        StreamResult result = new StreamResult(new StringWriter());
        DOMSource source = new DOMSource(aDoc);
        transformer.transform(source, result);
        outputXml = result.getWriter().toString();
    } catch (TransformerConfigurationException e) {
        e.printStackTrace();
    } catch (TransformerException e) {
        e.printStackTrace();
    }
    return outputXml;
}

From source file:net.fizzl.redditengine.data.ListMapValue.java

public static List<String> fromInputStream(InputStream is, String name) throws IOException {
    StringWriter writer = new StringWriter();
    IOUtils.copy(is, writer, "UTF-8");
    return fromInputStream(writer.toString(), name);
}