All Downloads are FREE. Search and download functionalities are using the official Maven repository.

cn.wanghaomiao.seimi.httpd.SeimiHttpHandler Maven / Gradle / Ivy

Go to download

一个支持分布式的可以高效开发且可以高效运行的爬虫框架。设计思想上融合了spring与scrapy的优点。

There is a newer version: 2.1.4
Show newest version
package cn.wanghaomiao.seimi.httpd;
/*
   Copyright 2015 Wang Haomiao

   Licensed 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.
 */

import cn.wanghaomiao.seimi.struct.CrawlerModel;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * @author 汪浩淼 [email protected]
 * @since 2015/11/19.
 */
public class SeimiHttpHandler extends AbstractHandler {
    private Map crawlerContext;
    private Map requestMapper;
    public SeimiHttpHandler(Map crawlerContext) {
        this.crawlerContext = crawlerContext;
        this.requestMapper = new HashMap<>();
    }

    public SeimiHttpHandler add(String path,HttpRequestProcessor processor){
        requestMapper.put(path,processor);
        return this;
    }

    @Override
    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        response.setHeader("server", "SeimiCrawler");
        HttpRequestProcessor processor = requestMapper.get(target);
        if (processor!=null){
            response.setStatus(HttpServletResponse.SC_OK);
            processor.handleHttpRequest(request,response);
        }else {
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        }
        baseRequest.setHandled(true);
    }
}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy