StringUtil.java

package com.schneeloch.bostonbusmap_library.util;

import java.util.ArrayList;
import java.util.Collection;

public class StringUtil {
	
	/**
	 * Used to create a string which represents the objects in an array
	 * @param result
	 * @return
	 */
	public static <T> String buildFromToString(ArrayList<T> list) {
		StringBuilder ret = new StringBuilder();
		
		int count = 0;
		
		for (T t : list)
		{
			if (count != 0) {
				ret.append(", ");
			}
			ret.append(t.toString());
			count++;
		}
		
		
		return ret.toString();
	}

	public static String quotedJoin(Collection<String> allStopTagsAtLocation) {
		StringBuilder ret = new StringBuilder();
		int count = 0;
		final int size = allStopTagsAtLocation.size();
		
		for (String tag : allStopTagsAtLocation) {
			ret.append("'").append(tag).append("'");
			
			if (count < size - 1) {
				ret.append(", ");
			}
			count++;
		}
		return ret.toString();
	}

	public static boolean isEmpty(String string) {
		return string == null || string.length() == 0;
	}
}