plainclientioeventdispatch.java

来自「开源的axis2框架的源码。用于开发WEBSERVER」· Java 代码 · 共 87 行

/*
 * 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.axis2.transport.nhttp;

import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.DefaultNHttpClientConnection;
import org.apache.http.nio.NHttpClientHandler;
import org.apache.http.nio.reactor.IOEventDispatch;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.nio.util.HeapByteBufferAllocator;
import org.apache.http.params.HttpParams;

public class PlainClientIOEventDispatch implements IOEventDispatch {

    private static final String NHTTP_CONN = "AXIS2.NHTTP_CONN";
    
    private final NHttpClientHandler handler;
    private final HttpParams params;
    
    public PlainClientIOEventDispatch(final NHttpClientHandler handler, final HttpParams params) {
        super();
        if (handler == null) {
            throw new IllegalArgumentException("HTTP client handler may not be null");
        }
        if (params == null) {
            throw new IllegalArgumentException("HTTP parameters may not be null");
        }
        // Decorate client handler with logging capabilities
        this.handler = new LoggingNHttpClientHandler(handler);
        this.params = params;
    }
    
    public void connected(final IOSession session) {
        // Decorate I/O session with logging capabilities
        LoggingNHttpClientConnection conn = new LoggingNHttpClientConnection(
                new LoggingIOSession(session), 
                new DefaultHttpResponseFactory(),
                new HeapByteBufferAllocator(),
                this.params); 
        session.setAttribute(NHTTP_CONN, conn);
        
        Object attachment = session.getAttribute(IOSession.ATTACHMENT_KEY);
        this.handler.connected(conn, attachment);
    }

    public void disconnected(final IOSession session) {
        DefaultNHttpClientConnection conn = (DefaultNHttpClientConnection) session.getAttribute(
                NHTTP_CONN);
        this.handler.closed(conn);
    }

    public void inputReady(final IOSession session) {
        DefaultNHttpClientConnection conn = (DefaultNHttpClientConnection) session.getAttribute(
                NHTTP_CONN);
        conn.consumeInput(this.handler);
    }

    public void outputReady(final IOSession session) {
        DefaultNHttpClientConnection conn = (DefaultNHttpClientConnection) session.getAttribute(
                NHTTP_CONN);
        conn.produceOutput(this.handler);
    }

    public void timeout(final IOSession session) {
        DefaultNHttpClientConnection conn = (DefaultNHttpClientConnection) session.getAttribute(
                NHTTP_CONN);
        this.handler.timeout(conn);
    }

}