Problemas Identar XML[RESOLVIDO]

public class IdentaXML {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
	String codigo = 	"<?xml version='1.0' encoding='ISO-8859-1'?>"+
		"<BSAUTO>"+
		"<RETORNO>"+
		"<HEADER>"+
		"<![CDATA[3901C5]]>"+
		"</HEADER>"+
		"<TELA01>"+
		"<![CDATA[310000 ]]>"+
		"</TELA01>"+
		"<TELA02>"+
		"<![CDATA[002DAS AMERICAS]]>"+
		"</TELA02>";
		System.out.println(identar(codigo));
	}
	
	
	public static String identar(String codigo){

        StringBuffer buffer = new StringBuffer();
        char c = '\0';
        
        for (int i = 0; i < codigo.length(); i++){
            c = codigo.charAt(i);
            
            buffer.append(c);
            if (c == '>'){
            	if(i+2 < codigo.length() && codigo.charAt(i+2) !='!' ){
            		buffer.append("\n" + "");
            	}
            }
            if(c == '<'){

                buffer.trimToSize();
            }
            
        }
        return buffer.toString();
    }

}