How to convert special characters, "Fran%c3%a7ais" -> "Français"?

Question

Possible Duplicate:
How to do URL decoding in Java?

I have string "Fran%c3%a7ais". How can I convert it to correct "Français" ?

score 3 · Accepted Answer · edited May 09 '15 at 16:31

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URLDecoder.decode(String s)

According to the Docs the function is deprecated, so you'll need to use this one:

public static String decode(String s, String enc) throws UnsupportedEncodingException

Example:

String decoded = URLDecoder.decode("Fran%c3%a7ais", "UTF-8");

edited May 09 '15 at 16:31

sfjac

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answered Dec 17 '12 at 15:28

ihsoy ih

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This method is deprecated. You can use `URLDecoder.decode("Fran%c3%a7ais", "UTF-8");` – assylias Dec 17 '12 at 15:30
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@assylias I edited that and mentioned about the encoding scheme parameter. That is not deprecated. – ihsoy ih Dec 17 '12 at 15:31

score 0 · Answer 2 · answered Dec 17 '12 at 15:28

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That looks like percent-encoded UTF-8. For each maximal sequence of (percentsign)+(hex digit)+(hex digit), first convert it to bytes by taking each pair of hex digits to encode a byte; then interpret the resulting byte sequence as the UTF-8 encoding as the actual text.

answered Dec 17 '12 at 15:28

hmakholm left over Monica

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This is overly complex and could be already been done with the API. – ihsoy ih Jan 19 '13 at 14:56
@ihsoyih: The answer describes what the implementation of the API does, which is useful to know even if one doesn't, for the time being, need to code it explicitly. – hmakholm left over Monica Jan 19 '13 at 15:38

How to convert special characters, "Fran%c3%a7ais" -> "Français"?

2 Answers2