Apply some indentiation to some XML.
//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(' ');
}
}
}
Related examples in the same category
