StringTools.java

package net.uniqraft.api;

public final class StringTools {
	public static String replaceAll(String text, String replace, String replacement) {
		if (replace == replacement)
			return text;
		
		String currentText = null;
		String newText = text;
		do {
			currentText = newText;
			newText = replaceFirst(newText, replace, replacement);
		} while (currentText != newText);
		return newText;
	}
	
	public static String replaceFirst(String text, String replace, String replacement) {
		int found = 0;
		int foundAt = -1;
		
		// Loop through each char
		for (int i = 0; i < text.length(); i++) {
			char c = text.charAt(i);
			// Does char match replace char?
			if (replace.charAt(found) == c) {
				// We found another match
				found++;
				
				// Have we found the entire replace text?
				if (found == replace.length()) {
					// Mark location we found match first at
					foundAt = i - found + 1;
					break;
				}
			}
		}
		
		
		// Did we get a match?
		if (foundAt != -1) {
			// Replace text
			return text.substring(0, foundAt) + replacement	+ text.substring(foundAt + replace.length(), text.length());
		}
		return text;
	}
}