org.openmdx.base.text.conversion.XMLEncoder Maven / Gradle / Ivy
/*
* ====================================================================
* Project: openmdx, http://www.openmdx.org/
* Description: XML Encoder
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license
* as listed below.
*
* Copyright (c) 2004-2005, OMEX AG, Switzerland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by the Apache Software
* Foundation (http://www.apache.org/).
*/
package org.openmdx.base.text.conversion;
/**
* XML Encoder
*/
public class XMLEncoder {
/**
* Avoid instantiation
*/
private XMLEncoder() {
super();
}
/**
* Encode reserved enities
*
* @param s the source string
*
* @return the encoded string
*/
public static String encode(
String s
) {
StringBuilder result = null;
for (int i = 0, max = s.length(), delta = 0; i < max; i++) {
char c = s.charAt(i);
String replacement =
c == '&' ? "&" :
c == '<' ? "<" :
c == '\r' ? "
" :
c == '>' ? ">" :
c == '"' ? """ :
c == '\'' ?"'" :
null;
if (replacement != null) {
if (result == null) result = new StringBuilder(s);
result.replace(i + delta, i + delta + 1, replacement);
delta += (replacement.length() - 1);
}
}
return result == null ? s : result.toString();
}
}