Example usage for java.io StringWriter 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:Main.java

public static String sourceToXMLString(Source result) {

    String xmlResult = null;//  w  w w  .  j a  va2 s . c  om
    try {
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer();
        //transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        StringWriter out = new StringWriter();
        StreamResult streamResult = new StreamResult(out);
        transformer.transform(result, streamResult);
        xmlResult = streamResult.getWriter().toString();
    } catch (TransformerException e) {
        e.printStackTrace();
    }

    return xmlResult;
}

---

From source file:Main.java

public static String getXMLString(Element elm, boolean htmlMode) throws TransformerException {
    /* TODO: Certain HTML entities, like "⇒", currently seem impossible to represent, as the
         HTML mode will output them in a named form unsupported by the Swing HTML parser
         (e.g. "⇐"). *//*  w  w  w . java2 s  . c  o m*/
    Transformer t;
    t = TransformerFactory.newInstance().newTransformer();
    t.setOutputProperty(OutputKeys.METHOD, htmlMode ? "html" : "xml");
    t.setOutputProperty(OutputKeys.INDENT, "no");
    t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, htmlMode ? "yes" : "no");
    StringWriter ret = new StringWriter();
    t.transform(new DOMSource(elm), new StreamResult(ret));
    return ret.toString();
}

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From source file:Main.java

/**
 * Makes a tag string readable when rendered in HTML. The method
 * escapes all the angle brackets and inserts spaces before and
 * after tags so a browser will wrap the text correctly.
 * This method is used in many places to return an XML string to the
 * user in the event of an error./*from w  w  w.ja  va2  s  .c  o m*/
 * @param tagString the string containing XML tags.
 * @return the readable tag string, or "null" if tagString is null.
 */
public static String makeReadableTagString(String tagString) {
    if (tagString == null)
        return "null";
    StringWriter sw = new StringWriter();
    char c;
    for (int i = 0; i < tagString.length(); i++) {
        c = tagString.charAt(i);
        if (c == '<')
            sw.write(" &#60;"); //note the leading space
        else if (c == '>')
            sw.write("&#62; "); //note the trailing space
        else if (c == '&')
            sw.write("&#38;");
        else if (c == '\"')
            sw.write("&#34;");
        else
            sw.write(c);
    }
    return sw.toString();
}

---

From source file:Main.java

public static String setAttribute(String xmlStr, String tagName, String attrName, String newValue) {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(false); // never forget this!
    int i, j;//from w  w w . ja v a 2  s  .  co m
    Document doc = null;
    DocumentBuilder builder = null;

    StringWriter stringOut = new StringWriter();
    try {
        builder = domFactory.newDocumentBuilder();
        doc = builder.parse(new ByteArrayInputStream(xmlStr.getBytes()));
        // Get the root element
        Node rootNode = doc.getFirstChild();
        NodeList nodeList = doc.getElementsByTagName(tagName);
        if ((nodeList.getLength() == 0) || (nodeList.item(0).getAttributes().getNamedItem(attrName) == null)) {
            logger.error("Either node " + tagName + " or attribute " + attrName + " not found.");
        } else {
            logger.debug("value of " + tagName + " attribute: " + attrName + " = "
                    + nodeList.item(0).getAttributes().getNamedItem(attrName).getNodeValue());
            nodeList.item(0).getAttributes().getNamedItem(attrName).setNodeValue(newValue);

            // write the content into xml file
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer transformer = transformerFactory.newTransformer();
            DOMSource source = new DOMSource(doc);
            StreamResult result = new StreamResult(stringOut);
            // StreamResult result = new StreamResult(new File(filepath));
            transformer.transform(source, result);
            logger.debug("Updated XML: \n" + stringOut.toString());
        }
    } catch (Exception ex) {
        System.out.println(ex.getMessage());
    }

    return stringOut.toString();
}

---

From source file:Main.java

protected static Result internalTransform(InputStream doc, Templates templates, Result r, boolean trace) {
    StringWriter sw = new StringWriter();

    try {//from www  .  j  a v a 2  s  .com
        Transformer transformer = templates.newTransformer();

        transformer.transform(new StreamSource(doc), r);

        sw.close();
        return r;
    } catch (Throwable th) {
        th.printStackTrace();
        return r;
    }

}

---

From source file:Main.java

/**
 * Uses a TransformerFactory with an identity transformation to convert a
 * Document into a String representation of the XML.
 *
 * @param document Document.//from w  w w.  j  ava  2  s.c  o  m
 * @return An XML String.
 * @throws IOException if an error occurs during transformation.
 */
public static String documentToString(Document document) throws IOException {
    String xml = null;

    try {
        DOMSource dom = new DOMSource(document);
        StringWriter writer = new StringWriter();
        StreamResult output = new StreamResult(writer);

        // Use Transformer to serialize a DOM
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer();

        // No need for pretty printing
        transformer.setOutputProperty(OutputKeys.INDENT, INDENT_XML);

        // XML Declarations unexpected whitespace for legacy AS XMLDocument type,
        // so we always omit it. We can't tell whether one was present when
        // constructing the Document in the first place anyway...
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, OMIT_XML_DECLARATION);

        transformer.transform(dom, output);

        xml = writer.toString();
    } catch (TransformerException te) {
        throw new IOException("Error serializing Document as String: " + te.getMessageAndLocation());
    }
    return xml;
}

---

From source file:Main.java

public static String nodeToString(Node n, boolean isOmitXmlDeclaration, boolean isIndent)
        throws TransformerException {
    StringWriter sw = new StringWriter();
    Transformer transformer = generateTransformer(isOmitXmlDeclaration, isIndent);
    transformer.transform(new DOMSource(n), new StreamResult(sw));
    return sw.toString();
}

---

From source file:Main.java

public static String serialize(Document document, boolean prettyPrint) {
    DOMImplementationLS impl = getDOMImpl();
    LSSerializer serializer = impl.createLSSerializer();
    // document.normalizeDocument();
    DOMConfiguration config = serializer.getDomConfig();
    if (prettyPrint && config.canSetParameter("format-pretty-print", Boolean.TRUE)) {
        config.setParameter("format-pretty-print", true);
    }/*  w  w  w  .  j a  va2 s  .c  om*/
    config.setParameter("xml-declaration", true);
    LSOutput output = impl.createLSOutput();
    output.setEncoding("UTF-8");
    Writer writer = new StringWriter();
    output.setCharacterStream(writer);
    serializer.write(document, output);
    return writer.toString();
}

---

From source file:Main.java

public static String toString(Throwable e) {
    StringWriter w = new StringWriter();
    PrintWriter p = new PrintWriter(w);
    p.print(e.getClass().getName() + ": ");
    if (e.getMessage() != null) {
        p.print(e.getMessage() + "\n");
    }/*from w  w w.  j ava  2s . c om*/
    p.println();
    try {
        e.printStackTrace(p);
        return w.toString();
    } finally {
        p.close();
    }
}

---

From source file:edu.cornell.mannlib.vitro.webapp.web.directives.BaseTemplateDirectiveModel.java

public static String processTemplateToString(String templateName, Map<String, Object> map, Environment env) {
    Template template = getTemplate(templateName, env);
    StringWriter sw = new StringWriter();
    try {//from   w w  w  . j  ava 2s .  co  m
        template.process(map, sw);
    } catch (TemplateException e) {
        log.error("Template Exception creating processing environment", e);
    } catch (IOException e) {
        log.error("IOException creating processing environment", e);
    }
    return sw.toString();
}

---

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