public DOMWriter(boolean canonical) throws UnsupportedEncodingException 
{
      this( getWriterEncoding(), canonical);
}

Default constructor.

 public DOMWriter(String encoding,
    boolean canonical) throws UnsupportedEncodingException 
{
       
      out = new PrintWriter(new OutputStreamWriter(System.out, encoding));
      this.canonical = canonical;
}

 public DOMWriter(Writer writer,
    boolean canonical) 
{
        out = new PrintWriter(writer);
        this.canonical = canonical;
}

 public boolean getQualifiedNames() 
{
      return this.qualifiedNames;
}

 public static String getWriterEncoding() 
{
      return (PRINTWRITER_ENCODING);
}

 public static boolean isValidJavaEncoding(String encoding) 
{
      for ( int i = 0; i <  MIME2JAVA_ENCODINGS.length; i++ )
         if ( encoding.equals( MIME2JAVA_ENCODINGS[i] ) )
            return (true);
      return (false);
}

 protected String normalize(String s) 
{
      StringBuffer str = new StringBuffer();
      int len = (s != null) ? s.length() : 0;
      for ( int i = 0; i <  len; i++ ) {
         char ch = s.charAt(i);
         switch ( ch ) {
            case '< ": {
                  str.append("<");
                  break;
               }
            case ' >": {
                  str.append(">");
                  break;
               }
            case '&": {
                  str.append("&");
                  break;
               }
            case '"": {
                  str.append(""");
                  break;
               }
            case '\r":
            case '\n": {
                  if ( canonical ) {
                     str.append("&#");
                     str.append(Integer.toString(ch));
                     str.append(';");
                     break;
                  }
                  // else, default append char
               }
            default: {
                  str.append(ch);
               }
         }
      }
      return (str.toString());
}

Normalizes the given string.

 public  void print(Node node) 
{
      // is there anything to do?
      if ( node == null ) {
         return;
      }
      int type = node.getNodeType();
      switch ( type ) {
         // print document
         case Node.DOCUMENT_NODE: {
               if ( !canonical ) {
                  String  Encoding = getWriterEncoding();
                  if( Encoding.equalsIgnoreCase( "DEFAULT" ) )
                     Encoding = "UTF-8";
                  else if( Encoding.equalsIgnoreCase( "Unicode" ) )
                     Encoding = "UTF-16";
                  else
                     Encoding = MIME2Java.reverse( Encoding );
                  out.println("< ?xml version=\"1.0\" encoding=\""+
                           Encoding + "\"? >");
               }
               print(((Document)node).getDocumentElement());
               out.flush();
               break;
            }
            // print element with attributes
         case Node.ELEMENT_NODE: {
               out.print('< ");
               if (this.qualifiedNames) { 
                  out.print(node.getNodeName());
               } else {
                  out.print(node.getLocalName());
               }
               Attr attrs[] = sortAttributes(node.getAttributes());
               for ( int i = 0; i <  attrs.length; i++ ) {
                  Attr attr = attrs[i];
                  out.print(' ");
                  if (this.qualifiedNames) {
                     out.print(attr.getNodeName());
                  } else {
                     out.print(attr.getLocalName());
                  }
                  out.print("=\"");
                  out.print(normalize(attr.getNodeValue()));
                  out.print('"");
               }
               out.print(' >");
               NodeList children = node.getChildNodes();
               if ( children != null ) {
                  int len = children.getLength();
                  for ( int i = 0; i <  len; i++ ) {
                     print(children.item(i));
                  }
               }
               break;
            }
            // handle entity reference nodes
         case Node.ENTITY_REFERENCE_NODE: {
               if ( canonical ) {
                  NodeList children = node.getChildNodes();
                  if ( children != null ) {
                     int len = children.getLength();
                     for ( int i = 0; i <  len; i++ ) {
                        print(children.item(i));
                     }
                  }
               } else {
                  out.print('&");
                  if (this.qualifiedNames) {
                     out.print(node.getNodeName());
                  } else {
                     out.print(node.getLocalName());
                  }
                  out.print(';");
               }
               break;
            }
            // print cdata sections
         case Node.CDATA_SECTION_NODE: {
               if ( canonical ) {
                  out.print(normalize(node.getNodeValue()));
               } else {
                  out.print("< ![CDATA[");
                  out.print(node.getNodeValue());
                  out.print("]] >");
               }
               break;
            }
            // print text
         case Node.TEXT_NODE: {
               out.print(normalize(node.getNodeValue()));
               break;
            }
            // print processing instruction
         case Node.PROCESSING_INSTRUCTION_NODE: {
               out.print("< ?");
               if (this.qualifiedNames) {
                  out.print(node.getNodeName());
               } else {
                  out.print(node.getLocalName());
               }
               String data = node.getNodeValue();
               if ( data != null && data.length()  > 0 ) {
                  out.print(' ");
                  out.print(data);
               }
               out.print("? >");
               break;
            }
      }
      if ( type == Node.ELEMENT_NODE ) {
         out.print("< /");
         if (this.qualifiedNames) {
            out.print(node.getNodeName());
         } else {
            out.print(node.getLocalName());
         }
         out.print(' >");
      }
      out.flush();
}

Prints the specified node, recursively.

 public  void setQualifiedNames(boolean qualifiedNames) 
{
      this.qualifiedNames = qualifiedNames;
}

 public static  void setWriterEncoding(String encoding) 
{
      if( encoding.equalsIgnoreCase( "DEFAULT" ) )
         PRINTWRITER_ENCODING  = "UTF8";
      else if( encoding.equalsIgnoreCase( "UTF-16" ) )
         PRINTWRITER_ENCODING  = "Unicode";
      else
         PRINTWRITER_ENCODING = MIME2Java.convert( encoding );
}

 protected Attr[] sortAttributes(NamedNodeMap attrs) 
{
      int len = (attrs != null) ? attrs.getLength() : 0;
      Attr array[] = new Attr[len];
      for ( int i = 0; i <  len; i++ ) {
         array[i] = (Attr)attrs.item(i);
      }
      for ( int i = 0; i <  len - 1; i++ ) {
         String name = null;
         if (this.qualifiedNames) {
            name  = array[i].getNodeName();
         } else {
            name  = array[i].getLocalName();
         }
         int    index = i;
         for ( int j = i + 1; j <  len; j++ ) {
            String curName = null;
            if (this.qualifiedNames) {
               curName = array[j].getNodeName();
            } else {
               curName = array[j].getLocalName();
            }
            if ( curName.compareTo(name) <  0 ) {
               name  = curName;
               index = j;
            }
         }
         if ( index != i ) {
            Attr temp    = array[i];
            array[i]     = array[index];
            array[index] = temp;
         }
      }
      return (array);
}

Returns a sorted list of attributes.