Example usage for java.io StringWriter getBuffer

Introduction

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

Prototype

public StringBuffer getBuffer()

Source Link

Document

Return the string buffer itself.

Usage

From source file:Main.java

public static String convertResultSetToXML(ResultSet rs)
        throws SQLException, ParserConfigurationException, TransformerException {
    ResultSetMetaData rsmd = rs.getMetaData();
    int colCount = rsmd.getColumnCount();

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.newDocument();
    Element results = doc.createElement("Results");
    doc.appendChild(results);// w  w  w .  ja  v  a  2s .c om

    while (rs.next()) {
        Element row = doc.createElement("Row");
        results.appendChild(row);
        for (int i = 1; i <= colCount; i++) {
            String columnName = rsmd.getColumnName(i);
            Object value = rs.getObject(i);
            if (value != null) {
                Element node = doc.createElement(columnName.replaceAll("\\(", "_").replaceAll("\\)", "_"));
                node.appendChild(doc.createTextNode(value.toString()));
                row.appendChild(node);
            }
        }
    }

    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    StringWriter writer = new StringWriter();
    transformer.transform(new DOMSource(doc), new StreamResult(writer));
    String output = writer.getBuffer().toString().replaceAll("\n|\r", "");

    return output;
}

From source file:Main.java

private static byte[] serializeXML(Transformer transformer, Source input)
        throws UnsupportedEncodingException, TransformerException {
    StringWriter stringWriter = new StringWriter();
    Result result = new StreamResult(stringWriter);
    transformer.transform(input, result);

    String streamString = stringWriter.getBuffer().toString();
    byte[] byteArray = streamString.getBytes("UTF-8");

    return byteArray;
}

From source file:StringUtils.java

/**
 * Convert an exception to a String with full stack trace
 * @param ex the exception/* ww w  .  j  a va  2 s  .c o m*/
 * @return a String with the full stacktrace error text
 */
public static String getStringFromStackTrace(Throwable ex) {
    if (ex == null) {
        return "";
    }
    StringWriter str = new StringWriter();
    PrintWriter writer = new PrintWriter(str);
    try {
        ex.printStackTrace(writer);
        return str.getBuffer().toString();
    } finally {
        try {
            str.close();
            writer.close();
        } catch (IOException e) {
            //ignore
        }
    }
}

From source file:Main.java

public static String toXMLString(Node node) {
    if (node == null) {
        return "";
    }//from  w  w w . j  a va  2s.  com
    try {
        Transformer tran = tf.newTransformer();
        tran.setOutputProperty(OutputKeys.INDENT, "yes");
        StringWriter swriter = new StringWriter();
        Source src = new DOMSource(node);
        Result res = new StreamResult(swriter);
        tran.transform(src, res);
        return swriter.getBuffer().toString();
    } catch (Exception e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

/**
 * Convert the document to an array of bytes.
 *
 * @param doc The XML document./*from  ww w .j a  v a2s.  co  m*/
 * @param encoding The encoding of the output data.
 *
 * @return The XML document as an array of bytes.
 *
 * @throws TransformerException If there is an error transforming to text.
 */
public static byte[] asByteArray(Document doc, String encoding) throws TransformerException {
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

    StringWriter writer = new StringWriter();
    Result result = new StreamResult(writer);
    DOMSource source = new DOMSource(doc);
    transformer.transform(source, result);
    return writer.getBuffer().toString().getBytes();
}

From source file:com.maddyhome.idea.copyright.util.VelocityHelper.java

public static String evaluate(PsiFile file, Project project, Module module, String template) {
    VelocityEngine engine = getEngine();

    VelocityContext vc = new VelocityContext();
    vc.put("today", new DateInfo());
    vc.put("file", new FileInfo(file));
    vc.put("project", new ProjectInfo(project));
    vc.put("module", new ModuleInfo(module));
    vc.put("username", System.getProperty("user.name"));

    try {/*from  ww  w .  j a  va  2s .  com*/
        StringWriter sw = new StringWriter();
        engine.evaluate(vc, sw, CopyrightProjectPlugin.class.getName(), template);

        return sw.getBuffer().toString();
    } catch (Exception e) {
        return "";
    }
}

From source file:com.thinkbiganalytics.feedmgr.nifi.NifiTemplateParser.java

public static String documentToString(Document doc) throws Exception {

    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
    StringWriter writer = new StringWriter();
    transformer.transform(new DOMSource(doc), new StreamResult(writer));
    String output = writer.getBuffer().toString();
    return output;
}

From source file:Main.java

public static String getDtdAsString(String uri) throws IOException {
    Reader in = null;//w  w w  . ja  v  a 2  s  . com
    if ((uri.startsWith("http")) || (uri.startsWith("ftp")) || (uri.startsWith("file:")))
        in = new InputStreamReader(new URL(uri).openStream());
    else {
        in = new FileReader(uri);
    }
    StringWriter out = new StringWriter();
    char[] buffer = new char[4096];
    for (int count = in.read(buffer); count != -1; count = in.read(buffer)) {
        out.write(buffer, 0, count);
    }
    return out.getBuffer().toString();
}

From source file:Main.java

/**
 * Convert the document to an array of bytes.
 * //from   w w  w. j a va2s .c o m
 * @param doc
 *            The XML document.
 * @param encoding
 *            The encoding of the output data.
 * 
 * @return The XML document as an array of bytes.
 * 
 * @throws TransformerException
 *             If there is an error transforming to text.
 */
public static byte[] asByteArray(Document doc, String encoding) throws TransformerException {
    final Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

    final StringWriter writer = new StringWriter();
    final Result result = new StreamResult(writer);
    final DOMSource source = new DOMSource(doc);
    transformer.transform(source, result);
    return writer.getBuffer().toString().getBytes();
}

From source file:Main.java

/**
 * Convert the document to an array of bytes.
 *
 * @param doc The XML document./* www  . ja  va 2 s  .  co m*/
 * @param encoding The encoding of the output data.
 *
 * @return The XML document as an array of bytes.
 *
 * @throws TransformerException If there is an error transforming to text.
 */
public static byte[] asByteArray(Document doc, String encoding) throws TransformerException {
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

    StringWriter writer = new StringWriter();
    Result result = new StreamResult(writer);
    DOMSource source = new DOMSource(doc);
    transformer.transform(source, result);
    try {
        return writer.getBuffer().toString().getBytes(encoding);
    } catch (UnsupportedEncodingException e) {
        throw new TransformerException("Unsupported Encoding", e);
    }
}