mainbaseservlet.java

来自「一个日本流行的,功能较全的开源Web办公管理(Groupware)系统。」· Java 代码 · 共 194 行

package jp.co.sjts.gsession.main;

/*
 * GSession偺儀乕僗僋儔僗  GSessionBaseServlet.java
 * Copyright (C) 1999-2000 Japan Total System Co,LTD
 *    Satoru K  <[e-mail]>
 */

import java.io.IOException;
import java.io.File;
import java.util.Hashtable;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.ServletConfig;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import jp.co.sjts.gsession.tools.*;

abstract public class MainBaseServlet extends HttpServlet {

	protected String rootDir = null;
	protected String mapURL = null;
	protected String mainURL = null;
	protected String helpURL = null;
	protected String mailerURL = null;

	abstract public void GSdoPost(Hashtable hsPara,HttpServletRequest req,HttpServletResponse res)
		throws ServletException, IOException;
	abstract public void GSdoGet(Hashtable hsPara,HttpServletRequest req,HttpServletResponse res)
		throws ServletException, IOException;


	public final String getRootDir() {
		return rootDir;
	}

	public final String getMapURL() {
		return mapURL;
	}

	public final String getMainURL() {
		return mainURL;
	}

	public final String getHelpURL() {
		return helpURL;
	}

	/**
	 * 儊僀儔乕偑愝掕偝傟偰偄偨応崌偼丄儊僀儔乕偺 dipacher.forword() 梡偺
	 * URL傪曉偡丅愝掕偝傟偰偄側偄応崌偼丄null
	 *
	 * @return 儊僀儔乕偺 dipacher.forword() 梡 URL
	 */
	public final String getMailerURL() {
		File file = new File(rootDir,"gsmail");
		if(file.exists()) {
			String mailer=null;
			java.io.BufferedReader reader=null;
			try {
				reader = GSTextFile2.OpenLoad(file);
				mailer = reader.readLine();
				reader.close();
			} catch(Exception e) {
				e.printStackTrace( );
				return null;
			} finally {
				try {
					reader.close();
				} catch(Exception e) {
					e.printStackTrace( );
					return null;
				}
			}		
			return mailer;
		} else {
			return null;
		}

	}

	public final Holiday getHoliday(String yyyy) throws GSException {
		return new Holiday(new File(getRootDir()),yyyy);
	}

	public void init() throws ServletException {
		// 僨乕僞奿擺梡偺僨傿儗僋僩儕傪庢摼(椺丗"c:\DATADIR\")
		rootDir = getServletContext().getInitParameter("DataDir");
		if(rootDir==null)
			throw new GSException("弶婜抣偺庢摼偵幐攕(僥乕僞僨傿儗僋僩儕)");

		if(!rootDir.endsWith("/"))
			rootDir+="/";

		rootDir = rootDir.replace('/',File.separatorChar);

		// 僨傿儗僋僩儕偺桳岠惈傪僠僃僢僋
		try{
			File file = new File(rootDir);
			if(!file.exists())		// 僼傽僀儖偑懚嵼偡傞偐
				if(!file.mkdirs())	// 僼傽僀儖偑懚嵼偟側偄応崌偼丄嶌惉傪帋傒傞
					throw new ServletException("僨傿儗僋僩儕嶌惉偵帋傒偨偑幐攕偟傑偟偨丅");
						
		} catch (SecurityException e) {
			throw new GSException("傾僋僙僗尃僄儔乕:"+rootDir);
		}

		// 儅僢僾梡偺url傪庢摼
		mapURL = getServletContext().getInitParameter("MapUrl");
		if(mapURL==null)
			throw new GSException("弶婜抣偺庢摼偵幐攕(儅僢僾倀俼俴)");

		// 儊僀儞偺URL傪庢摼
		mainURL = getServletContext().getInitParameter("MainUrl");
		if(mainURL==null)
			throw new GSException("弶婜抣偺庢摼偵幐攕(儊僀儞倀俼俴)");

		// 傊儖僾偺URL傪庢摼
		helpURL = getServletContext().getInitParameter("HelpUrl");
		if(helpURL==null)
			throw new GSException("弶婜抣偺庢摼偵幐攕(傊儖僾倀俼俴)");

		mailerURL = getServletContext().getInitParameter(GSBase.INIT_PARAM_MAILURL);

	}

	public final void doGet(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException {
		res.setHeader("Pragma", "no-cache");
		res.setHeader("Cache-Control","no-store");

		// 僷儔儊乕僞庢摼
		Hashtable hsParam = getParam(req);

		GSdoGet(hsParam,req,res);
	}

	public final void doPost(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException {

		String contentType=req.getContentType();
		if(req.getContentType().toLowerCase().startsWith("multipart/form-data")) {
			// ContentType偑"multipart/form-data"偺帪乮僼傽僀儖揮憲
			MultiParse multiParse = new MultiParse(req,res);
			multiParse.parse();
			Hashtable hsParam = multiParse.getHash();
			GSdoPost(hsParam,req,res);

		} else {
			Hashtable hsParam = getParam(req);
			GSdoPost(hsParam,req,res);
		}
	}

	protected Cookie GetCookieValue(HttpServletRequest req,String cookieName) { 
		Cookie cookies[] = null;
		Cookie cookie = null;

		if((cookies = req.getCookies()) != null) {
			for(int i=0;i<cookies.length;i++) {
				if(cookies[i].getName().equals(cookieName)) {
					synchronized(this) {
						return (Cookie)cookies[i].clone();
					}
				}
			}
		}
		return null;
	}

	// 儕僋僄僗僩僷儔儊乕僞庢摼
	protected Hashtable getParam(HttpServletRequest req) throws IOException {
		Hashtable hashdata = null;
		Enumeration e = req.getParameterNames();
		while(e.hasMoreElements()) {
			if(hashdata == null)
				hashdata = new Hashtable();
				
			String name = (String)e.nextElement();
			String[] values = req.getParameterValues(name);
			String values2[] = null;
			values2 = new String[values.length];
			for(int i=0;i<values.length;i++)
				values2[i] = new String(values[i].getBytes("8859_1"),"JISAutoDetect");

			hashdata.put(name,values2);
		}
		return hashdata;
	}

}