com.envision.envservice.filter.RedmineFilter.java Source code

Introduction

Here is the source code for com.envision.envservice.filter.RedmineFilter.java

Source

/******************************************************************************
 * @File name   :      AccessHttpFilter.java
 *
 * @Package    :      com.envision.envservice.filter
 *
 * @Author      :      guowei.wang
 *
 * @Date        :      2015-10-30 ?3:57:30
 *
 * @Description :       
 *
 * @Copyright Notice: 
 * Copyright (c) 2015 Envision, Inc. All  Rights Reserved.
 * This software is published under the terms of the Envision Software
 * License version 1.0, a copy of which has been included with this
 * distribution in the LICENSE.txt file.
 * 
 * 
 * ----------------------------------------------------------------------------
 * Date                         Who         Version        Comments
 * 2015-10-30 ?3:57:30             guowei.wang     1.0            Initial Version
 *****************************************************************************/
package com.envision.envservice.filter;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Map;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringEscapeUtils;
import org.springframework.web.context.ContextLoader;
import org.springframework.web.context.WebApplicationContext;

import com.envision.envservice.common.Constants;
import com.envision.envservice.entity.bo.UserBo;
import com.envision.envservice.service.CacheService;
import com.envision.envservice.service.RedmineHttpRequestService;

/**
 * ?redmine
 * 
 * @ClassName RedmineFilter
 * @author song.cai
 * @date 2016-05-26
 */
public class RedmineFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Content-Type", "application/json; charset=utf-8");
        String requestType = request.getMethod();
        String url = "";
        String api_key = "";
        String param = "";
        String result = "";
        if (requestType == "GET" || "GET".equals(requestType)) {
            url = getRedmineUrl(request.getRequestURL().toString());
            api_key = getSessionApiKey(request);
            if (api_key == null || "".equals(api_key)) {
                return;
            }
            WebApplicationContext webAppContext = ContextLoader.getCurrentWebApplicationContext();
            RedmineHttpRequestService redmineHttpRequestService = (RedmineHttpRequestService) webAppContext
                    .getBean("redmineHttpRequestService");
            result = redmineHttpRequestService.doGET(url, api_key);
        } else if (requestType == "POST" || "POST".equals(requestType)) {
            url = getRedmineUrl(request.getRequestURL().toString());
            api_key = getSessionApiKey(request);
            if (api_key == null || "".equals(api_key)) {
                return;
            }
            param = getParam(request.getInputStream());
            WebApplicationContext webAppContext = ContextLoader.getCurrentWebApplicationContext();
            RedmineHttpRequestService redmineHttpRequestService = (RedmineHttpRequestService) webAppContext
                    .getBean("redmineHttpRequestService");
            result = redmineHttpRequestService.doPost(url, param, api_key);
        } else if (requestType == "PUT" || "PUT".equals(requestType)) {
            url = getRedmineUrl(request.getRequestURL().toString());
            api_key = getSessionApiKey(request);
            if (api_key == null || "".equals(api_key)) {
                return;
            }
            param = getParam(request.getInputStream());
            WebApplicationContext webAppContext = ContextLoader.getCurrentWebApplicationContext();
            RedmineHttpRequestService redmineHttpRequestService = (RedmineHttpRequestService) webAppContext
                    .getBean("redmineHttpRequestService");
            result = redmineHttpRequestService.doPut(url, param, api_key);
        } else {
            return;
        }

        response.getWriter().write(result);
        return;

    }

    /*
     * ?redmine?
     * 
     * */
    public String getRedmineUrl(String str) {
        String RedmineUrl = str.substring(str.indexOf("/Challenger/redmine/") + 20);
        WebApplicationContext webAppContext = ContextLoader.getCurrentWebApplicationContext();
        CacheService cacheService = (CacheService) webAppContext.getBean("cacheService");
        Map map = cacheService.queryMap("redmine_url");
        String redmine_url = map.get("redmine_url").toString();
        String newUrl = RedmineUrl.replace(RedmineUrl, redmine_url + RedmineUrl);
        return newUrl;
    }

    /*
     * ?api_key
     * 
     * */
    private String getSessionApiKey(HttpServletRequest request) {
        return ((UserBo) request.getSession().getAttribute(Constants.SESSION_USER)).getApi_key();
    }

    /*
     * 
     * 
     * */
    public static String unescapeJS(String str) {
        String result = StringEscapeUtils.unescapeJava(str);
        return result;
    }

    /*
     * ??
     * 
     * */
    public static String getParam(InputStream inputStream) throws IOException {
        String result = "";
        BufferedReader in = new BufferedReader(new InputStreamReader(inputStream));
        StringBuffer sb = new StringBuffer();
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
            sb.append(line);
        }
        result = sb.toString();
        return result;
    }

}