Apply some indentiation to some XML. : Transform « XML « Java

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Java » XML » Transform 




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(' ');
    }
  }
}

   
    
    
    
    
  














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