Java XML Node Format printNode(StringBuffer sBuffer, Node node)

Description

Takes XML node and prints to String.

License

Open Source License

Parameter

Parameter	Description
node	Element to print to String

Return

XML node as String

Declaration

private static void printNode(StringBuffer sBuffer, Node node) 

Method Source Code

//package com.java2s;
import org.w3c.dom.*;

public class Main {
    public static String printNode(Node node) {
        StringBuffer sBuffer = new StringBuffer();

        printNode(sBuffer, node);/*from   www .  j a v a 2  s .  co m*/

        return sBuffer.toString();
    }

    /** Takes XML node and prints to String.
    *
    * @param node Element to print to String
    * @return XML node as String
    */
    private static void printNode(StringBuffer sBuffer, Node node) {
        if (node.getNodeType() == Node.TEXT_NODE) {
            sBuffer.append(encodeXMLText(node.getNodeValue().trim()));
        } else if (node.getNodeType() == Node.CDATA_SECTION_NODE) {
            sBuffer.append("<![CDATA[");
            sBuffer.append(node.getNodeValue());
            sBuffer.append("]]>");
        } else if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element el = (Element) node;

            sBuffer.append("<").append(el.getTagName());

            NamedNodeMap attribs = el.getAttributes();

            for (int i = 0; i < attribs.getLength(); i++) {
                Attr nextAtt = (Attr) attribs.item(i);
                sBuffer.append(" ").append(nextAtt.getName()).append("=\"").append(nextAtt.getValue()).append("\"");
            }

            NodeList nodes = node.getChildNodes();

            if (nodes.getLength() == 0) {
                sBuffer.append("/>");
            } else {
                sBuffer.append(">");

                for (int i = 0; i < nodes.getLength(); i++) {
                    printNode(sBuffer, nodes.item(i));
                }

                sBuffer.append("</").append(el.getTagName()).append(">");
            }
        }
    }

    /**
     * Handles XML encoding of text, e.g. & to &amp;
     * 
     * @param sText Text to XML encode
     * @return XML Encoded text
     */
    public static String encodeXMLText(String sText) {
        StringBuffer sBuff2 = new StringBuffer(sText);
        StringBuffer sNewBuff = new StringBuffer();

        for (int i = 0; i < sBuff2.length(); i++) {
            char currChar = sBuff2.charAt(i);
            Character currCharObj = new Character(sBuff2.charAt(i));
            if (currChar == '&') {
                if ((sBuff2.length() - 1 - i) >= 4 && sBuff2.charAt(i + 1) == 'a' && sBuff2.charAt(i + 2) == 'm'
                        && sBuff2.charAt(i + 3) == 'p' && sBuff2.charAt(i + 4) == ';') {
                    i = i + 4;
                    sNewBuff.append("&amp;");
                } else {
                    sNewBuff.append("&amp;");
                }
            } else if (currChar == '>') {
                sNewBuff.append("&gt;");
            } else if (currChar == '<') {
                sNewBuff.append("&lt;");
            } else {
                sNewBuff.append(currChar);
            }
        }

        return sNewBuff.toString();

    }
}

Related

1. formatNode(Node node, int indent, StringBuffer stringBuffer)
2. print(PrintStream out, Node node)
3. printTree(Writer ps, Node node, String indent, String lineSeparator)
4. renderNode(StringBuffer sb, Node node)
5. renderNode(StringBuffer sb, Node node, String margin, String indent, String lab, String rab, String nl)