Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**
     * This method ensures that the output String has only valid XML unicode characters as specified by the
     * XML 1.0 standard. For reference, please see the
     * standard. This method will return an empty String if the input is null or empty.
     *
     * @param s - The String whose non-valid characters we want to replace.
     * @return The in String, where non-valid characters are replace by spaces.
     * @author Nuno Freire
     */
    public static String removeInvalidXMLCharacters(String s) {

        StringBuilder out = new StringBuilder(); // Used to hold the output.
        int codePoint; // Used to reference the current character.
        int i = 0;
        while (i < s.length()) {
            codePoint = s.codePointAt(i); // This is the unicode code of the character.
            if ((codePoint == 0x9) || // Consider testing larger ranges first to improve speed.
                    (codePoint == 0xA) || (codePoint == 0xD) || ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
                    || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                    || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))) {
                out.append(Character.toChars(codePoint));
            } else {
                out.append(' ');
            }
            i += Character.charCount(codePoint); // Increment with the number of code units(java chars) needed to represent a Unicode char.
        }
        return out.toString();
    }
}