Example usage for javax.xml.transform.sax TransformerHandler comment

Introduction

In this page you can find the example usage for javax.xml.transform.sax TransformerHandler comment.

Prototype

public abstract void comment(char ch[], int start, int length) throws SAXException;

Source Link

Document

Report an XML comment anywhere in the document.

Usage

From source file:Main.java

/**
 * Creates a {@link TransformerHandler}.
 * //from  w  w w  .java  2s  .  c om
 * @param commentHeader the comment header
 * @param rootTag the root tag
 * @param streamResult stream result
 */
public static TransformerHandler createTransformerHandler(String commentHeader, String rootTag,
        StreamResult streamResult, Charset charset)
        throws TransformerFactoryConfigurationError, TransformerConfigurationException, SAXException {
    SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
    try {
        tf.setAttribute("indent-number", new Integer(2));
    } catch (Exception e) {
        // ignore, workaround for JDK 1.5 bug, see http://forum.java.sun.com/thread.jspa?threadID=562510
    }
    TransformerHandler transformerHandler = tf.newTransformerHandler();
    Transformer serializer = transformerHandler.getTransformer();
    serializer.setOutputProperty(OutputKeys.ENCODING, charset.name());
    serializer.setOutputProperty(OutputKeys.METHOD, "xml");
    serializer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformerHandler.setResult(streamResult);
    transformerHandler.startDocument();
    String newline = System.getProperty("line.separator");
    if (newline == null) {
        newline = "\n";
    }
    commentHeader = (newline + commentHeader).replaceAll("\\n--", newline + " ");
    transformerHandler.characters("\n".toCharArray(), 0, 1);
    transformerHandler.comment(commentHeader.toCharArray(), 0, commentHeader.toCharArray().length);
    transformerHandler.characters("\n".toCharArray(), 0, 1);
    if (rootTag.length() > 0) {
        transformerHandler.startElement("", "", rootTag, null);
    }
    return transformerHandler;
}

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