| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| 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; |
| |
| /** |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| 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); |
| } |
| } |
| } |
| } |