Java Utililty Methods String Decode by Charset

List of utility methods to do String Decode by Charset

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Description

The list of methods to do String Decode by Charset are organized into topic(s).

Method

Stringdecode(final String str, final Charset charset)
decode 
try {
    return URLDecoder.decode(str, charset.name());
} catch (UnsupportedEncodingException ex) {
    throw new AssertionError(charset.name() + " not supported");
Stringdecode(String s, Charset encoding)
Decodes an octet according to RFC 2396. 
if (s == null || s.isEmpty()) {
    return null;
StringBuilder sb = new StringBuilder();
boolean fragment = false;
for (int i = 0; i < s.length(); i++) {
    char ch = s.charAt(i);
    switch (ch) {
...
Stringdecode(String url, Charset charset)
decode 
try {
    return URLDecoder.decode(url, charset.name());
} catch (UnsupportedEncodingException e) {
    throw new RuntimeException("Unable to encode using charset");
Stringdecode(String value, Charset charset)
Uses URLDecoder to decode a application/x-www-form-urlencoded string, using the given Charset. 
try {
    return URLDecoder.decode(value, charset.name());
} catch (UnsupportedEncodingException ex) {
    throw new IllegalArgumentException("Characterset is not supported.");
Stringdecode(String value, Charset charset)
Uri Decode the value. 
try {
    return URLDecoder.decode(value, charset.name());
} catch (UnsupportedEncodingException uee) {
    return value;
StringdecodeCharset(String value, String charset)
decode Charset 
try {
    Charset set = Charset.forName(charset);
    return set.decode(ByteBuffer.wrap(value.getBytes())).toString();
} catch (Exception ex) {
    return null;
StringdecodeComponent(final String s, final Charset charset)
Decodes a bit of an URL encoded by a browser. 
if (s == null) {
    return "";
final int size = s.length();
boolean modified = false;
for (int i = 0; i < size; i++) {
    final char c = s.charAt(i);
    switch (c) {
...
StringdecodeFormFields(final String content, final Charset charset)
decode Form Fields 
if (content == null) {
    return null;
return urlDecode(content, charset != null ? charset : Charset.forName("UTF-8"), true);
StringdecodeURL(@Nullable String str, Charset charSet)
Decodes a application/x-www-form-urlencoded string using a specific encoding scheme. 
boolean needToChange = false;
int numChars = str.length();
StringBuilder sb = new StringBuilder(numChars > 500 ? numChars / 2 : numChars);
int i = 0;
char c;
byte[] bytes = null;
while (i < numChars) {
    c = str.charAt(i);
...
StringdecodeWithDefaultCharSet(String urlToDecode)
decode With Default Char Set 
try {
    return URLDecoder.decode(urlToDecode, Charset.defaultCharset().name());
} catch (UnsupportedEncodingException e) {
    return urlToDecode;