Java Utililty Methods String Escape

List of utility methods to do String Escape

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Description

The list of methods to do String Escape are organized into topic(s).

Method

StringescapeXML(String message)
Formats the message to be XML compatible, with the XML escaping. 
StringBuilder msgBuffer = new StringBuilder(message.length() * 2);
escapeXML(message, msgBuffer);
return msgBuffer.toString();
StringescapeXml(String str)

Escapes XML entities in a String. 

if (str == null) {
    return str;
StringBuffer buf = new StringBuffer(str.length() * 2);
int i;
for (i = 0; i < str.length(); ++i) {
    char ch = str.charAt(i);
    String entityName = getEntityName(ch);
...
StringescapeXML(String str)
escape some special xml chars. 
if (str == null)
    return null;
str = str.replace("&", "&amp;");
str = str.replace("'", "&apos;");
str = str.replace("\"", "&quot;");
str = str.replace("<", "&lt;");
str = str.replace(">", "&gt;");
StringBuilder sb = new StringBuilder();
...
StringpercentEncode(String s)
percent Encode 
if (s == null) {
    return "";
try {
    return URLEncoder.encode(s, ENCODING)
            .replace("+", "%20").replace("*", "%2A").replace("%7E", "~");
} catch (UnsupportedEncodingException uee) {
    throw new RuntimeException(uee.getMessage(), uee);
...
StringpercentEncode(String s)
Percent encode a string 
String result = "";
try {
    if (s != null) {
        result = URLEncoder.encode(s, ENCODING).replace("%7E", "~").replace("*", "%2A").replace("+", "%20");
} catch (UnsupportedEncodingException e) {
    throw new RuntimeException(e.getMessage(), e);
return result;
StringpercentEncode(String value)
percent Encode 
return value == null ? EMPTY : URLEncoder.encode(value, encode);
StringpercentEncode(String value, String encoding)
percent Encode 
return value != null
        ? URLEncoder.encode(value, encoding).replace("+", "%20").replace("*", "%2A").replace("%7E", "~")
        : null;
StringpercentEncodeRfc3986(final String string)
Percent-encode values according the RFC 3986. 
try {
    return URLEncoder.encode(string, "UTF-8").replace("+", "%20").replace("*", "%2A").replace("%7E", "~");
} catch (final UnsupportedEncodingException e) {
    return string;