XmlUtil.java Source code

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Here is the source code for XmlUtil.java

Source

//package com.qlogic.commons.utils;

import java.io.ByteArrayOutputStream;

/**
 * General-purpose methods for manipulating URIs and XML schema types
 * 
 * @author Mohammed LOUKILI
 */
public class XmlUtil {
    /**
     * Apply some indentiation to some XML. This method is not very
     * sophisticated and will not cope well with anything but the simplest XML
     * (no CDATA etc). The algorithm used does not look at element names and
     * does not actually parse the XML. It also assumes that the forward slash
     * and greater-than at the end of a self-terminating tag and not seperated
     * by ant whitespace.
     * 
     * @param xmlString
     *            input XML fragment
     * @return indented XML fragment
     */
    public static String indentXmlSimple(String xmlString) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        int indent = 0;
        char bytes[] = xmlString.toCharArray();
        int i = 0;
        while (i < bytes.length) {
            if (bytes[i] == '<' && bytes[i + 1] == '/') {
                os.write('\n');
                writeIndentation(os, --indent);
            } else if (bytes[i] == '<') {
                if (i > 0) {
                    os.write('\n');
                }
                writeIndentation(os, indent++);
            } else if (bytes[i] == '/' && bytes[i + 1] == '>') {
                indent--;
            } else if (bytes[i] == '>') {

            }
            os.write(bytes[i++]);
        }
        return os.toString();
    }

    private static void writeIndentation(ByteArrayOutputStream os, int indent) {
        for (int j = 0; j < indent; j++) {
            os.write(' ');
            os.write(' ');
        }
    }
}