| package org.apache.mina.http2.impl; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import org.apache.mina.http.api.HttpMessage; |
| import org.apache.mina.http.api.HttpRequest; |
| import org.apache.mina.http.api.HttpResponse; |
| import org.apache.mina.http2.api.Http2Header; |
| |
| import com.twitter.hpack.Encoder; |
| |
| import static org.apache.mina.http2.api.Http2Constants.US_ASCII_CHARSET; |
| |
| public class HeadersEncoder { |
| |
| private final Encoder encoder; |
| |
| public HeadersEncoder(int maxHeaderTableSize) { |
| encoder = new Encoder(maxHeaderTableSize); |
| } |
| |
| private static String getMethod(HttpMessage message) { |
| String method = null; |
| if (message instanceof HttpRequest) { |
| ((HttpRequest)message).getMethod().name(); |
| } |
| return method; |
| } |
| |
| private static String getPath(HttpMessage message) { |
| String path = null; |
| if (message instanceof HttpRequest) { |
| path = ((HttpRequest)message).getTargetURI(); |
| } |
| return path; |
| } |
| |
| public void encode(HttpMessage message, OutputStream out) throws IOException { |
| String value = getMethod(message); |
| if (value != null) { |
| encoder.encodeHeader(out, |
| Http2Header.METHOD.getName().getBytes(US_ASCII_CHARSET), |
| value.getBytes(US_ASCII_CHARSET), |
| false); |
| } |
| value = getPath(message); |
| if (value != null) { |
| encoder.encodeHeader(out, |
| Http2Header.PATH.getName().getBytes(US_ASCII_CHARSET), |
| value.getBytes(US_ASCII_CHARSET), |
| false); |
| } |
| if (message instanceof HttpResponse) { |
| encoder.encodeHeader(out, |
| Http2Header.STATUS.getName().getBytes(US_ASCII_CHARSET), |
| Integer.toString(((HttpResponse)message).getStatus().code()).getBytes(US_ASCII_CHARSET), |
| false); |
| } |
| for(String name : message.getHeaders().keySet()) { |
| if (!Http2Header.isHTTP2ReservedHeader(name)) { |
| encoder.encodeHeader(out, |
| name.getBytes(US_ASCII_CHARSET), |
| message.getHeaders().get(name).getBytes(US_ASCII_CHARSET), |
| false); |
| } |
| } |
| } |
| } |