Java Utililty Methods Javascript String Unescape

List of utility methods to do Javascript String Unescape

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Description

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

Method

StringunescapeJavaScript(String value)
unescape Java Script 
return unescapeJava(value);
StringunescapeJavascriptParam(String s)
This function is used to convert a URL friendly string which was encoded using the Javascript escape function into a normal Java String. 
StringBuffer sbuf = new StringBuffer();
int l = s.length();
int ch = -1;
int b, sumb = 0;
for (int i = 0, more = -1; i < l; i++) {
    switch (ch = s.charAt(i)) {
    case '%':
        ch = s.charAt(++i);
...
StringunescapeJavaScriptString(String string)
Unescape JS strings and return them, surrounded by single quotes. 
StringBuilder ret = new StringBuilder(string.length()).append('\'');
for (int i = 0; i < string.length(); i++) {
    char chr = string.charAt(i);
    switch (chr) {
    case '\b':
        ret.append("\\b");
        break;
    case '\f':
...
StringunescapeJavaString(String st)
Unescapes a string that contains standard Java escape sequences. 
if (st == null) {
    return null;
StringBuilder sb = new StringBuilder(st.length());
for (int i = 0; i < st.length(); i++) {
    char ch = st.charAt(i);
    if (ch == '\\') {
        char nextChar = (i == st.length() - 1) ? '\\' : st.charAt(i + 1);
...
StringunescapeJavaString(String str)

Unescapes any Java literals found in the String.

For example, it will turn a sequence of '\' and 'n' into a newline character, unless the '\' is preceded by another '\'.

A null string input has no effect.

if (str == null) {
    return null;
StringBuffer out = new StringBuffer();
int sz = str.length();
StringBuffer unicode = new StringBuffer(4);
boolean hadSlash = false;
boolean inUnicode = false;
...