Example usage for java.io StringWriter toString

Introduction

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

Prototype

public String toString()

Source Link

Document

Return the buffer's current value as a string.

Usage

From source file:com.trusolve.ant.filters.JsonToYamlFilter.java

public static Reader readDocument(Reader in) throws JsonProcessingException, IOException {
    ObjectMapper jsonIn = new ObjectMapper();
    JsonNode jn = jsonIn.readTree(in);//from w w w.j a v  a2 s.  co m

    YAMLFactory yf = new YAMLFactory();
    StringWriter sw = new StringWriter();

    yf.createGenerator(sw).setCodec(new ObjectMapper(yf)).writeObject(jn);

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

From source file:Main.java

public static String writeXMLtoString(org.w3c.dom.Document doc) throws Exception {
    TransformerFactory transfac = TransformerFactory.newInstance();
    Transformer trans = transfac.newTransformer();

    StringWriter sw = new StringWriter();
    StreamResult result = new StreamResult(sw);
    DOMSource source = new DOMSource(doc);
    trans.transform(source, result);/*from w w  w  .jav  a  2 s. c om*/
    String xmlString = sw.toString();

    return xmlString;
}

From source file:de.tudarmstadt.ukp.dkpro.tc.core.ExperimentStarter.java

/**
 * Method which executes Groovy script provided in the pathToScript.
 * //w ww .  ja v  a 2  s .co  m
 * @param pathToScript
 *            path to Groovy script.
 */
public static void start(String pathToScript)
        throws InstantiationException, IllegalAccessException, IOException {
    ClassLoader parent = ExperimentStarter.class.getClassLoader();
    GroovyClassLoader loader = new GroovyClassLoader(parent);

    StringWriter writer = new StringWriter();
    IOUtils.copy(parent.getResourceAsStream(pathToScript), writer, "UTF-8");
    Class<?> groovyClass = loader.parseClass(writer.toString());
    GroovyObject groovyObject = (GroovyObject) groovyClass.newInstance();
    Object[] a = {};
    groovyObject.invokeMethod("run", a);
    loader.close();
}

From source file:Main.java

public static String prettyXML(String xml, int indent) {
    try {/*from   ww  w. j a va  2  s .  co  m*/
        // Turn xml string into a document
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new InputSource(new ByteArrayInputStream(xml.getBytes("utf-8"))));

        // Remove whitespaces outside tags
        XPath xPath = XPathFactory.newInstance().newXPath();
        NodeList nodeList = (NodeList) xPath.evaluate("//text()[normalize-space()='']", document,
                XPathConstants.NODESET);

        for (int i = 0; i < nodeList.getLength(); ++i) {
            Node node = nodeList.item(i);
            node.getParentNode().removeChild(node);
        }
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setAttribute("indent-number", indent);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");

        StringWriter stringWriter = new StringWriter();
        transformer.transform(new DOMSource(document), new StreamResult(stringWriter));
        return stringWriter.toString();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String objectToXml(JAXBContext jaxbContext, Object object) throws JAXBException {
    StringWriter writerTo = new StringWriter();
    Marshaller marshaller = jaxbContext.createMarshaller();
    marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
    marshaller.marshal(object, writerTo);
    return writerTo.toString();
}

From source file:Main.java

public static String prettyPrintWithDOM3LS(Document document) {
    DOMImplementation domImplementation = document.getImplementation();
    if (domImplementation.hasFeature("LS", "3.0") && domImplementation.hasFeature("Core", "2.0")) {
        DOMImplementationLS domImplementationLS = (DOMImplementationLS) domImplementation.getFeature("LS",
                "3.0");
        LSSerializer lsSerializer = domImplementationLS.createLSSerializer();
        DOMConfiguration domConfiguration = lsSerializer.getDomConfig();
        if (domConfiguration.canSetParameter("format-pretty-print", Boolean.TRUE)) {
            lsSerializer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE);
            LSOutput lsOutput = domImplementationLS.createLSOutput();
            lsOutput.setEncoding("UTF-8");
            StringWriter stringWriter = new StringWriter();
            lsOutput.setCharacterStream(stringWriter);
            lsSerializer.write(document, lsOutput);
            return stringWriter.toString();
        } else {/*w w w .  java  2s. c o  m*/
            throw new RuntimeException("DOMConfiguration 'format-pretty-print' parameter isn't settable.");
        }
    } else {
        throw new RuntimeException("DOM 3.0 LS and/or DOM 2.0 Core not supported.");
    }
}

From source file:Main.java

public static String marshalToString(Class<?> klass, Object obj) throws JAXBException {
    try {//from   w w w.  j ava 2s  . c  o m
        context = JAXBContext.newInstance(klass);
        marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");

        unmarshaller = context.createUnmarshaller();
    } catch (JAXBException e) {
        throw new RuntimeException(
                "There was a problem creating a JAXBContext object for formatting the object to XML.");
    }
    StringWriter sw = new StringWriter();
    String result = null;
    try {
        marshaller.marshal(obj, sw);
        result = sw == null ? null : sw.toString();
    } catch (JAXBException jaxbe) {
        jaxbe.printStackTrace();
    }
    return result;
}

From source file:com.floragunn.searchguard.test.helper.file.FileHelper.java

public static final String loadFile(final String file) throws IOException {
    final StringWriter sw = new StringWriter();
    IOUtils.copy(FileHelper.class.getResourceAsStream("/" + file), sw, StandardCharsets.UTF_8);
    return sw.toString();
}

From source file:com.joliciel.csvLearner.utils.LogUtils.java

/**
Return the current exception & stack trace as a String.
*//*from w  w  w .  j  ava2s  .  co  m*/
public static String getErrorString(Throwable e) {
    String s = null;
    try {
        StringWriter sw = new StringWriter();
        PrintWriter ps = new PrintWriter((Writer) sw);
        e.printStackTrace(ps);
        sw.flush();
        s = sw.toString();
        sw.close();
    } catch (IOException ioe) {
        // do nothing!
    }
    return s;
}

From source file:Main.java

public static String nodeToString(Node node) throws TransformerException {
    StringWriter writer = new StringWriter();
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.transform(new DOMSource(node), new StreamResult(writer));
    return writer.toString().replaceAll("\\<\\?xml(.+?)\\?\\>", "").trim();
}