Returns the decoded key-value parameter pairs of the URI.
(final String s)
| 27 | * Returns the decoded key-value parameter pairs of the URI. |
| 28 | */ |
| 29 | public static QueryString decode(final String s) { |
| 30 | final QueryString params = new QueryString(); |
| 31 | String name = null; |
| 32 | int pos = 0; // Beginning of the unprocessed region |
| 33 | int i; // End of the unprocessed region |
| 34 | for (i = 0; i < s.length(); i++) { |
| 35 | final char c = s.charAt(i); |
| 36 | if (c == '=' && name == null) { |
| 37 | if (pos != i) { |
| 38 | name = s.substring(pos, i); |
| 39 | } |
| 40 | pos = i + 1; |
| 41 | } else if (c == '&') { |
| 42 | if (name == null && pos != i) { |
| 43 | // We haven't seen an `=' so far but moved forward. |
| 44 | // Must be a param of the form '&a&' so add it with |
| 45 | // an empty value. |
| 46 | params.add(s.substring(pos, i), ""); |
| 47 | } else if (name != null) { |
| 48 | params.add(name, s.substring(pos, i)); |
| 49 | name = null; |
| 50 | } |
| 51 | pos = i + 1; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | if (pos != i) { // Are there characters we haven't dealt with? |
| 56 | if (name == null) { // Yes and we haven't seen any `='. |
| 57 | params.add(s.substring(pos, i), ""); |
| 58 | } else { // Yes and this must be the last value. |
| 59 | params.add(name, s.substring(pos, i)); |
| 60 | } |
| 61 | } else if (name != null) { // Have we seen a name without value? |
| 62 | params.add(name, ""); |
| 63 | } |
| 64 | |
| 65 | return params; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Adds a query string element. |
no test coverage detected