package oboannotator.util;

public class XmlEndec {
	
	public static final String ENC_AMPS 	= "&";
	public static final String ENC_QUOT 	= """;
	public static final String ENC_LT 		= "<";
	public static final String ENC_GT 		= ">";	
	
	public static final char DEC_AMPS 	= '&';
	public static final char DEC_QUOT 	= '\"';
	public static final char DEC_LT 	= '<';
	public static final char DEC_GT 	= '>';
	
	static public String encodeXML(String myString){
		StringBuffer buffer = new StringBuffer();
		char chars[] = myString.toCharArray();
		for(int i = 0; i< chars.length; i++){
			if(chars[i]== DEC_AMPS){
				buffer.append("&amp;");
			}else if(chars[i]==DEC_GT){
				buffer.append("&gt;");
			}else if(chars[i]==DEC_LT){
				buffer.append("&lt;");
			}else if(chars[i]==DEC_QUOT){
				buffer.append("&quot;");
			}else{
				buffer.append(chars[i]);
			}
		}
		//System.out.println("Current String encoded is: " + buffer.toString());
		return buffer.toString();		
	}
	
	
	static public String decodeForXML(String myString){
		String temp = "";
		if(myString.contains(ENC_AMPS) ){						
			temp = myString.replace(ENC_AMPS, new Character(DEC_AMPS).toString());
			//System.out.println("Current ENC_AMPS: " + temp);
		}

		if(temp.contains(ENC_GT) ){
			myString = temp.replace(ENC_GT, new Character(DEC_GT).toString());
			//System.out.println("Current ENC_AMPS: " + myString);
		}		
		
		if(myString.contains(ENC_LT) ){
			temp = myString.replace(ENC_LT, new Character(DEC_LT).toString());
			//System.out.println("Current ENC_AMPS: " + temp);
		}
		
		if(temp.contains(ENC_QUOT) ){
			myString = temp.replace(ENC_QUOT, new Character(DEC_QUOT).toString());
		}		
		//System.out.println("Current String encoded is: " + myString);
		return myString;
	}	
	
	public static void main(String args[]){
		encodeXML("Is this cool or what? \" > < & What say you my precious my love?");
	}
}