Fudi parser in Java (for use with PureData)

FudiParser.java

package com.teamsketchy.utils;

import java.util.LinkedList;
import java.util.ListIterator;

public class FudiParser {
	public static LinkedList<String[]> tokenize(String string) {
		LinkedList<String[]> tokens = new LinkedList<String[]>();
		
		for(int i = 0; i < string.length(); i++) {
			String[] token;
			char c = string.charAt(i);
			
			if(c == '\n' || c == '\t' || c == ' ') {
				token = new String[] { "whitespace", Character.toString(c) };
			} else if(c == ';') {
				token = new String[] { "semicolon", Character.toString(c) };
			} else if(c == '\\') {
				token = new String[] { "backslash", Character.toString(c) };
			} else {
				token = new String[] { "char", Character.toString(c) };
			}
			tokens.addLast(token);
		}
		ListIterator<String[]> iterator = tokens.listIterator();
		 
	    while(iterator.hasNext()) {
	    	String[] previousToken = tokens.get(iterator.previousIndex());
	    	String[] token = iterator.next();
	    	
	    	if(previousToken[0] == "backslash" && token[0] == "whitespace") {
	    		tokens.remove(previousToken);
	    		
	    		token[0] = "char";
	    	}
	    }
	    iterator = tokens.listIterator();
	    
	    while(iterator.hasNext()) {
	    	String[] previousToken = tokens.get(iterator.previousIndex());
	    	String[] token = iterator.next();
	    	
	    	if(
	    		previousToken[0] == "char" || previousToken[0] == "atom" &&
	    		token[0] == "char"
	    	) {
	    		token[0] = "atom";
	    		token[1] = previousToken[1] + token[1];
	    		
	    		tokens.remove(previousToken);
	    	}
	    }
		return tokens;
	}
	public static LinkedList<LinkedList<String[]>> parse(String string) {
		LinkedList<String[]> tokens = tokenize(string);
		LinkedList<LinkedList<String[]>> messages =
			new LinkedList<LinkedList<String[]>>();
		
		ListIterator<String[]> iterator = tokens.listIterator();
		 
	    while(iterator.hasNext()) {
	    	String[] token = iterator.next();
	    	
	    	if(token[0] == "atom") {
	    		LinkedList<String[]> message = new LinkedList<String[]>();
	    		ListIterator<String[]> innerIterator =
		    		tokens.listIterator(iterator.previousIndex());
		    	
		    	while(innerIterator.hasNext()) {
		    		String[] innerToken = innerIterator.next();
		    		
		    		if(innerToken[0] == "atom") {
		    			message.addLast(innerToken);
		    		} else if(innerToken[0] == "semicolon") {
		    			break;
		    		}
		    	}
		    	messages.addLast(message);
	    	} else {
	    		iterator.next();
	    	}
	    }
		return messages;
	}
}