Wraps illegal characters(in XML) to CData. - Java XML

Java examples for XML:XML Encoding

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Description

Wraps illegal characters(in XML) to CData.

Demo Code

/*/*  www. ja v  a  2  s  .c  o  m*/
 * Copyright 2009-2011 Telkku.com
 *
 * Licensed 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.
 */
//package com.java2s;
import java.util.ArrayList;
import java.util.List;

public class Main {
    public static void main(String[] argv) throws Exception {
        String s = "java2s.com";
        System.out.println(wrapToCData(s));
    }

    private static List<Character> illegalChars = new ArrayList<Character>();

    /**
     * Wraps illegal characters(in XML) to CData.
     * Example: 
     * String: Bonnie & Clyde should result in String:
     * Bonnie &lt;![CDATA[&]]&gt; Clyde
     * */
    public static String wrapToCData(String s) {
        if (s != null) {
            StringBuilder builder = new StringBuilder();
            char[] chars = s.toCharArray();
            for (char c : chars) {
                if (illegalChars.contains(c)) {
                    builder.append("<![CDATA[" + c + "]]>");
                } else {
                    builder.append(c);
                }
            }
            return builder.toString();
        } else {
            return null;
        }
    }
}

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