Converts the given original string to an XML string. Replaces "&", "<", ">", "double quote" and "single quote" - Android XML

Android examples for XML:XML String

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Description

Converts the given original string to an XML string. Replaces "&", "<", ">", "double quote" and "single quote"

Demo Code

/**/*from   www .j  av a  2s  .  co m*/
 *  Copyright (C) 2008-2015  Telosys project org. ( http://www.telosys.org/ )
 *
 *  Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3.0 (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.gnu.org/licenses/lgpl.html
 *
 *  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 {


    private static final int HIGHEST_SPECIAL = '>';
    private static char[][] xmlRepresentation = new char[HIGHEST_SPECIAL + 1][];

    /**
     * Converts the given original string to an XML string.<br>
     * Replaces "&", "<", ">", "double quote" and "single quote" 
     * @param originalString
     * @return 
     */
    public static String escapeXml(String originalString) {

        if (null == originalString) {
            return "";
        }

        int start = 0;
        int length = originalString.length();
        char[] arrayBuffer = originalString.toCharArray();
        StringBuffer escapedStringBuffer = null;

        for (int i = 0; i < length; i++) {
            char c = arrayBuffer[i];
            if (c <= HIGHEST_SPECIAL) {
                char[] escaped = xmlRepresentation[c];
                if (escaped != null) {
                    // new StringBuffer to build the xml string
                    if (start == 0) {
                        escapedStringBuffer = new StringBuffer(length + 5);
                    }
                    // add unescaped portion
                    if (start < i) {
                        escapedStringBuffer.append(arrayBuffer, start, i
                                - start);
                    }
                    start = i + 1;
                    // add escaped xml
                    escapedStringBuffer.append(escaped);
                }
            }
        }
        // escaping not required
        if (start == 0) {
            return originalString;
        }
        // add rest of unescaped portion
        if (start < length) {
            escapedStringBuffer.append(arrayBuffer, start, length - start);
        }
        return escapedStringBuffer.toString();
    }
}

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