| /* |
| * 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.utils.logging; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.Header; |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.config.ConnectionConfig; |
| import org.apache.http.config.MessageConstraints; |
| import org.apache.http.impl.ConnSupport; |
| import org.apache.http.impl.entity.StrictContentLengthStrategy; |
| import org.apache.http.impl.nio.DefaultNHttpClientConnection; |
| import org.apache.http.impl.nio.codecs.DefaultHttpRequestWriter; |
| import org.apache.http.impl.nio.codecs.DefaultHttpResponseParser; |
| import org.apache.http.nio.*; |
| import org.apache.http.nio.reactor.IOSession; |
| import org.apache.http.nio.reactor.SessionInputBuffer; |
| import org.apache.http.nio.reactor.SessionOutputBuffer; |
| import org.apache.http.nio.util.HeapByteBufferAllocator; |
| |
| import java.io.IOException; |
| |
| /** |
| * A connection factory implementation for DefaultNHttpClientConnection instances. |
| * Based on the current logging configuration, this factory decides whether to create |
| * regular DefaultNHttpClientConnection objects or to create LoggingNHttpClientConnection |
| * objects. Also, depending on the logging configuration, this factory may choose to |
| * wrap IOSession instances in LoggingIOSession objects. |
| */ |
| public class LoggingNHttpClientConnectionFactory implements NHttpConnectionFactory<DefaultNHttpClientConnection> { |
| |
| private static final Log targetConnLog = LogFactory.getLog( |
| LoggingConstants.TARGET_CONNECTION_LOG_ID); |
| private static final Log targetHeaderLog = LogFactory.getLog( |
| LoggingConstants.TARGET_HEADER_LOG_ID); |
| private static final Log targetSessionLog = LogFactory.getLog( |
| LoggingConstants.TARGET_SESSION_LOG_ID); |
| private static final Log targetWireLog = LogFactory.getLog( |
| LoggingConstants.TARGET_WIRE_LOG_ID); |
| |
| private static final NHttpMessageWriterFactory<HttpRequest> requestWriterFactory = |
| new LoggingNHttpRequestWriterFactory(); |
| private static final NHttpMessageParserFactory<HttpResponse> responseParserFactory = |
| new LoggingNHttpResponseParserFactory(); |
| |
| private final ConnectionConfig config; |
| |
| public LoggingNHttpClientConnectionFactory(ConnectionConfig config) { |
| this.config = config; |
| } |
| |
| public DefaultNHttpClientConnection createConnection(IOSession session) { |
| if (targetSessionLog.isDebugEnabled() || targetWireLog.isDebugEnabled()) { |
| session = new LoggingIOSession(targetSessionLog, targetWireLog, |
| session, "http-sender"); |
| } |
| |
| if (targetConnLog.isDebugEnabled() || targetHeaderLog.isDebugEnabled()) { |
| return new LoggingNHttpClientConnection( |
| session, |
| config.getBufferSize(), |
| config.getFragmentSizeHint(), |
| HeapByteBufferAllocator.INSTANCE, |
| ConnSupport.createDecoder(config), |
| ConnSupport.createEncoder(config), |
| config.getMessageConstraints(), |
| StrictContentLengthStrategy.INSTANCE, |
| StrictContentLengthStrategy.INSTANCE, |
| requestWriterFactory, |
| responseParserFactory, |
| targetConnLog); |
| } else { |
| return new DefaultNHttpClientConnection( |
| session, |
| config.getBufferSize(), |
| config.getFragmentSizeHint(), |
| HeapByteBufferAllocator.INSTANCE, |
| ConnSupport.createDecoder(config), |
| ConnSupport.createEncoder(config), |
| config.getMessageConstraints(), |
| StrictContentLengthStrategy.INSTANCE, |
| StrictContentLengthStrategy.INSTANCE, |
| requestWriterFactory, |
| responseParserFactory); |
| } |
| } |
| |
| static class LoggingNHttpRequestWriterFactory implements NHttpMessageWriterFactory<HttpRequest> { |
| public NHttpMessageWriter<HttpRequest> create(SessionOutputBuffer sessionBuffer) { |
| return new LoggingNHttpRequestWriter(sessionBuffer); |
| } |
| } |
| |
| static class LoggingNHttpResponseParserFactory implements NHttpMessageParserFactory<HttpResponse> { |
| public NHttpMessageParser<HttpResponse> create(SessionInputBuffer sessionBuffer, |
| MessageConstraints messageConstraints) { |
| return new LoggingNHttpResponseParser(sessionBuffer, messageConstraints); |
| } |
| } |
| |
| static class LoggingNHttpRequestWriter extends DefaultHttpRequestWriter { |
| |
| public LoggingNHttpRequestWriter(SessionOutputBuffer buffer) { |
| super(buffer); |
| } |
| |
| public void write(final HttpRequest request) throws IOException, HttpException { |
| if (request != null && targetHeaderLog.isDebugEnabled()) { |
| targetHeaderLog.debug(">> " + request.getRequestLine().toString()); |
| Header[] headers = request.getAllHeaders(); |
| for (Header header : headers) { |
| targetHeaderLog.debug(">> " + header.toString()); |
| } |
| } |
| super.write(request); |
| } |
| |
| } |
| |
| static class LoggingNHttpResponseParser extends DefaultHttpResponseParser { |
| |
| public LoggingNHttpResponseParser(SessionInputBuffer buffer, MessageConstraints constraints) { |
| super(buffer, constraints); |
| } |
| |
| public HttpResponse parse() throws IOException, HttpException { |
| HttpResponse response = super.parse(); |
| if (response != null && targetHeaderLog.isDebugEnabled()) { |
| targetHeaderLog.debug("<< " + response.getStatusLine().toString()); |
| Header[] headers = response.getAllHeaders(); |
| for (Header header : headers) { |
| targetHeaderLog.debug("<< " + header.toString()); |
| } |
| } |
| return response; |
| } |
| |
| } |
| } |