Java Utililty Methods XML Unescape

List of utility methods to do XML Unescape

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Description

The list of methods to do XML Unescape are organized into topic(s).

Method

StringunescapeXml(String xml)
unescape Xml 
if (xml == null)
    return null;
StringBuilder b = new StringBuilder();
int i = 0;
while (i < xml.length()) {
    if (xml.charAt(i) == '&') {
        StringBuilder e = new StringBuilder();
        i++;
...
StringunescapeXML(String xml)
unescape XML 
return xml.replace("&lt;", "<").replace("&gt;", ">").replace("&amp;", "&");
StringunescapeXmlChars(String source)
Unescape XML special characters (<, >, & and ") 
return source.replaceAll("&lt;", "<").replaceAll("&gt;", ">").replaceAll("&amp;", "&").replaceAll("&quot;",
        "\"");
StringunescapeXMLComment(String content)
XML comment does not support some characters inside its content but there is no official escaping/unescaping for it so we made our own. 
StringBuffer str = new StringBuffer(content.length());
char[] buff = content.toCharArray();
boolean escaped = false;
for (char c : buff) {
    if (!escaped && c == '\\') {
        escaped = true;
        continue;
    str.append(c);
    escaped = false;
return str.toString();
StringunescapeXMLEntities(String text)
Converts XML entities to characters. 
if (text.contains("&gt;")) {
    text = text.replaceAll("&gt;", ">");
if (text.contains("&lt;")) {
    text = text.replaceAll("&lt;", "<");
if (text.contains("&quot;")) {
    text = text.replaceAll("&quot;", "\"");
...
StringunescapeXMLEntity(String str)
unescape XML Entity 
if ("lt".equals(str))
    return "<";
if ("gt".equals(str))
    return ">";
if ("amp".equals(str))
    return "&";
if ("apos".equals(str))
    return "'";
...
StringunescapeXMLString(String str)
unescape XML String 
StringBuffer rtn = new StringBuffer();
int posStart = -1;
int posFinish = -1;
while ((posStart = str.indexOf('&', posStart)) != -1) {
    int last = posFinish + 1;
    posFinish = str.indexOf(';', posStart);
    if (posFinish == -1)
        break;
...
StringunescapeXMLString2(String str)
unescape XML String 
StringBuffer sb = new StringBuffer();
int index, last = 0, indexSemi;
while ((index = str.indexOf('&', last)) != -1) {
    sb.append(str.substring(last, index));
    indexSemi = str.indexOf(';', index + 1);
    if (indexSemi == -1) {
        sb.append('&');
        last = index + 1;
...
StringunescapeXmlSymbols(String s1)
unescape Xml Symbols 
String s2 = s1.replaceAll("&lt;", "<");
s2 = s2.replaceAll("&gt;", ">");
s2 = s2.replaceAll("&gt;", ">");
s2 = s2.replaceAll("&#xD;", "\r");
s2 = s2.replaceAll("&apos;", "'");
s2 = s2.replaceAll("&quot;", "\"");
s2 = s2.replaceAll("&amp;", "&");
s2 = s2.replaceAll("&#xA;", "\n");
...