Determine if a String contains any XML special characters, return true if it does. - Java XML

Java examples for XML:XML Encoding

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Description

Determine if a String contains any XML special characters, return true if it does.

Demo Code

/*//  w w w  .  ja  v a  2  s .co m
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde 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.
 */
//package com.java2s;

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

    /**
     * Determine if a String contains any XML special characters, return true
     * if it does.  If this function returns true, the string will need to be
     * encoded either using the stringEncodeXML function above or using a
     * CDATA section.  Note that MSXML has a nasty bug whereby whitespace
     * characters outside of a CDATA section are lost when parsing.  To
     * avoid hitting this bug, this method treats many whitespace characters
     * as "special".
     * @param input the String to scan for XML special characters.
     * @return true if the String contains any such characters.
     */
    public static boolean stringHasXMLSpecials(String input) {
        for (int i = 0; i < input.length(); i++) {
            char c = input.charAt(i);
            switch (c) {
            case '<':
            case '>':
            case '"':
            case '\'':
            case '&':
            case '\t':
            case '\n':
            case '\r':
                return true;
            }
        }
        return false;
    }
}

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