private void doParse(final StreamSourceChannel channel) throws IOException {
int c = 0;
final Pooled<ByteBuffer> pooled = exchange.getConnection().getBufferPool().allocate();
try {
final ByteBuffer buffer = pooled.getResource();
do {
buffer.clear();
c = channel.read(buffer);
if (c > 0) {
buffer.flip();
while (buffer.hasRemaining()) {
byte n = buffer.get();
switch (state) {
case 0:
{
if (n == '=') {
name = builder.toString();
builder.setLength(0);
state = 2;
} else if (n == '&') {
data.add(builder.toString(), "");
builder.setLength(0);
state = 0;
} else if (n == '%' || n == '+') {
state = 1;
builder.append((char) n);
} else {
builder.append((char) n);
}
break;
}
case 1:
{
if (n == '=') {
name = URLDecoder.decode(builder.toString(), charset);
builder.setLength(0);
state = 2;
} else if (n == '&') {
data.add(URLDecoder.decode(builder.toString(), charset), "");
builder.setLength(0);
state = 0;
} else {
builder.append((char) n);
}
break;
}
case 2:
{
if (n == '&') {
data.add(name, builder.toString());
builder.setLength(0);
state = 0;
} else if (n == '%' || n == '+') {
state = 3;
builder.append((char) n);
} else {
builder.append((char) n);
}
break;
}
case 3:
{
if (n == '&') {
data.add(name, URLDecoder.decode(builder.toString(), charset));
builder.setLength(0);
state = 0;
} else {
builder.append((char) n);
}
break;
}
}
}
}
} while (c > 0);
if (c == -1) {
if (state == 2) {
data.add(name, builder.toString());
} else if (state == 3) {
data.add(name, URLDecoder.decode(builder.toString(), charset));
} else if (builder.length() > 0) {
if (state == 1) {
data.add(URLDecoder.decode(builder.toString(), charset), "");
} else {
data.add(builder.toString(), "");
}
}
state = 4;
exchange.putAttachment(FORM_DATA, data);
}
} finally {
pooled.free();
}
}
