| /* |
| * 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.synapse.transport.passthru; |
| |
| import org.apache.http.*; |
| import org.apache.http.message.BasicHttpResponse; |
| import org.apache.http.nio.ContentDecoder; |
| import org.apache.http.nio.NHttpServerConnection; |
| import org.apache.synapse.transport.passthru.config.SourceConfiguration; |
| |
| import java.io.IOException; |
| import java.util.Comparator; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * Represents a Http Request. |
| */ |
| public class SourceRequest { |
| |
| private Pipe pipe = null; |
| |
| /** HTTP Headers */ |
| private Map<String, String> headers = new TreeMap<String, String>(new Comparator<String>() { |
| public int compare(String o1, String o2) { |
| return o1.compareToIgnoreCase(o2); |
| } |
| }); |
| |
| /** HTTP URL */ |
| private String url; |
| |
| /** HTTP Method */ |
| private String method; |
| |
| /** Whether the request has a body */ |
| private boolean entityEnclosing; |
| |
| /** The http request */ |
| private HttpRequest request = null; |
| |
| /** Configuration of the receiver */ |
| private SourceConfiguration sourceConfiguration; |
| |
| /** HTTP Version */ |
| private ProtocolVersion version = null; |
| |
| /** The connection from the client */ |
| private NHttpServerConnection connection = null; |
| |
| public SourceRequest(SourceConfiguration sourceConfiguration, |
| HttpRequest request, |
| NHttpServerConnection conn) { |
| this.sourceConfiguration = sourceConfiguration; |
| this.request = request; |
| this.connection = conn; |
| |
| this.url = request.getRequestLine().getUri(); |
| this.method = request.getRequestLine().getMethod(); |
| this.entityEnclosing = request instanceof HttpEntityEnclosingRequest; |
| this.version = request.getProtocolVersion(); |
| |
| this.version = request.getRequestLine().getProtocolVersion(); |
| if (!version.lessEquals(HttpVersion.HTTP_1_1)) { |
| // Downgrade protocol version if greater than HTTP/1.1 |
| this.version = HttpVersion.HTTP_1_1; |
| } |
| |
| Header[] headers = request.getAllHeaders(); |
| if (headers != null) { |
| for (Header header : headers) { |
| this.headers.put(header.getName(), header.getValue()); |
| } |
| } |
| } |
| |
| /** |
| * Start processing the request by connecting the pipe if this request has an entity body. |
| * @param conn connection |
| * @throws IOException if an error occurs |
| * @throws HttpException if an error occurs |
| */ |
| public void start(NHttpServerConnection conn) throws IOException, HttpException { |
| if (entityEnclosing) { |
| pipe = new Pipe(conn, sourceConfiguration.getBufferFactory().getBuffer(), |
| "source", sourceConfiguration); |
| |
| SourceContext.get(conn).setReader(pipe); |
| |
| // See if the client expects a 100-Continue |
| if (((HttpEntityEnclosingRequest) request).expectContinue()) { |
| HttpResponse ack = new BasicHttpResponse(version, HttpStatus.SC_CONTINUE, "Continue"); |
| conn.submitResponse(ack); |
| } |
| } else { |
| // this request is completed, there is nothing more to read |
| SourceContext.updateState(conn, ProtocolState.REQUEST_DONE); |
| // No httpRequest content expected. Suspend client input |
| conn.suspendInput(); |
| } |
| } |
| |
| /** |
| * Produce the content in to the pipe. |
| * @param conn the connection |
| * @param decoder content decoder |
| * |
| * @throws java.io.IOException if an error occurs |
| * @return number of bytes read |
| */ |
| public int read(NHttpServerConnection conn, ContentDecoder decoder) throws IOException { |
| if (pipe == null) { |
| throw new IllegalStateException("A Pipe must be connected before calling read"); |
| } |
| |
| if (entityEnclosing) { |
| int bytes = pipe.produce(decoder); |
| |
| if (decoder.isCompleted()) { |
| sourceConfiguration.getMetrics(). |
| notifyReceivedMessageSize(conn.getMetrics().getReceivedBytesCount()); |
| |
| // Update connection state |
| SourceContext.updateState(conn, ProtocolState.REQUEST_DONE); |
| // Suspend client input |
| conn.suspendInput(); |
| } |
| return bytes; |
| } else { |
| throw new IllegalStateException("Only Entity Enclosing Requests " + |
| "can read content in to the pipe"); |
| } |
| } |
| |
| public Map<String, String> getHeaders() { |
| return headers; |
| } |
| |
| public String getUri() { |
| return url; |
| } |
| |
| public String getMethod() { |
| return method; |
| } |
| |
| public Pipe getPipe() { |
| return pipe; |
| } |
| |
| public NHttpServerConnection getConnection() { |
| return connection; |
| } |
| |
| public ProtocolVersion getVersion() { |
| return version; |
| } |
| |
| public HttpRequest getRequest() { |
| return request; |
| } |
| |
| public boolean isEntityEnclosing() { |
| return entityEnclosing; |
| } |
| } |