Java Char Convert To charToNCRef(int c)

Description

Convert a single unicode scalar value to an XML numeric character reference.

License

Apache License

Parameter

Parameter	Description
c	a unicode scalar value

Return

a string representing a numeric character reference

Declaration

public static String charToNCRef(int c) 

Method Source Code

//package com.java2s;
/*/*  ww  w  .j  av  a2s .  c o m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Convert a single unicode scalar value to an XML numeric character
     * reference. If in the BMP, four digits are used, otherwise 6 digits are used.
     * @param c a unicode scalar value
     * @return a string representing a numeric character reference
     */
    public static String charToNCRef(int c) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0, nDigits = (c > 0xFFFF) ? 6 : 4; i < nDigits; i++, c >>= 4) {
            int d = c & 0xF;
            char hd;
            if (d < 10) {
                hd = (char) ((int) '0' + d);
            } else {
                hd = (char) ((int) 'A' + (d - 10));
            }
            sb.append(hd);
        }
        return "&#x" + sb.reverse() + ";";
    }
}

Related

1. charToDigit(char c)
2. charToEscape(char ch)
3. charToHTML(char ch, boolean xml)
4. charToLong(final char value)
5. charToLowerCase(char c)
6. charToNum(char c)
7. charToNybble(char c)
8. charToOctet(char c)
9. charToUpperOrLower(String string, int pos, boolean upper)