CleanXML.java

	/**
	 * Cleans a block of text for XML
	 * This was needed because some hidden characters commonly used in Japanese text can foul up the push publisher using SAXParser
	 * 
	 * @param input		The input to be cleaned
	 * @return 			The cleaned input
	 */
	public String cleanForXML(String input) {
		StringBuilder sb = new StringBuilder();
	    for (int i = 0; i < input.length(); i++) {
	        char c = input.charAt(i);
	        if (XMLChar.isValid(c)) {
	            sb.append(c);
	        }
	    }
	    
	    // Found a couple that this was not replacing that SAXParser was complaining about
	    String invalidXmlPattern = "[^"
                + "\\u0009\\r\\n"
                + "\\u0020-\\uD7FF"
                + "\\uE000-\\uFFFD"
                + "\\ud800\\udc00-\\udbff\\udfff"
                + "]";
	    String r = sb.toString().replaceAll(invalidXmlPattern, "");
	    return r;
	}