Java tutorial
/* * ==================================================================== * 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.impl.nio.client; import java.io.IOException; import org.apache.commons.logging.Log; import org.apache.http.HttpException; import org.apache.http.nio.ContentDecoder; import org.apache.http.nio.ContentEncoder; import org.apache.http.nio.NHttpClientConnection; import org.apache.http.nio.NHttpClientEventHandler; class InternalRequestExecutor implements NHttpClientEventHandler { private final Log log; private final NHttpClientEventHandler handler; public InternalRequestExecutor(final Log log, final NHttpClientEventHandler handler) { this.log = log; this.handler = handler; } @Override public void connected(final NHttpClientConnection conn, final Object attachment) throws IOException, HttpException { if (this.log.isDebugEnabled()) { this.log.debug(conn + ": Connected"); } this.handler.connected(conn, attachment); } @Override public void closed(final NHttpClientConnection conn) { if (this.log.isDebugEnabled()) { this.log.debug(conn + ": Disconnected"); } this.handler.closed(conn); } @Override public void requestReady(final NHttpClientConnection conn) throws IOException, HttpException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Request ready"); } this.handler.requestReady(conn); } @Override public void inputReady(final NHttpClientConnection conn, final ContentDecoder decoder) throws IOException, HttpException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Input ready"); } this.handler.inputReady(conn, decoder); if (this.log.isDebugEnabled()) { this.log.debug(conn + " " + decoder); } } @Override public void outputReady(final NHttpClientConnection conn, final ContentEncoder encoder) throws IOException, HttpException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Output ready"); } this.handler.outputReady(conn, encoder); if (this.log.isDebugEnabled()) { this.log.debug(conn + " " + encoder); } } @Override public void responseReceived(final NHttpClientConnection conn) throws HttpException, IOException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Response received"); } this.handler.responseReceived(conn); } @Override public void timeout(final NHttpClientConnection conn) throws HttpException, IOException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Timeout"); } this.handler.timeout(conn); } @Override public void exception(final NHttpClientConnection conn, final Exception ex) { if (this.log.isDebugEnabled()) { this.log.debug(conn + " Exception", ex); } this.handler.exception(conn, ex); } @Override public void endOfInput(final NHttpClientConnection conn) throws IOException { if (this.log.isDebugEnabled()) { this.log.debug(conn + " End of input"); } this.handler.endOfInput(conn); } }