62,612
社区成员
发帖
与我相关
我的任务
分享
private static String urlDecode(
final String content,
final Charset charset,
final boolean plusAsBlank) {
if (content == null) {
return null;
}
final ByteBuffer bb = ByteBuffer.allocate(content.length());
final CharBuffer cb = CharBuffer.wrap(content);
while (cb.hasRemaining()) {
final char c = cb.get();
if (c == '%' && cb.remaining() >= 2) {
final char uc = cb.get();
final char lc = cb.get();
final int u = Character.digit(uc, 16);
final int l = Character.digit(lc, 16);
if (u != -1 && l != -1) {
bb.put((byte) ((u << 4) + l));
} else {
bb.put((byte) '%');
bb.put((byte) uc);
bb.put((byte) lc);
}
} else if (plusAsBlank && c == '+') {
bb.put((byte) ' ');
} else {
bb.put((byte) c);
}
}
bb.flip();
return charset.decode(bb).toString();
}