package?http;

import?java.io.BufferedReader;
import?java.io.FileOutputStream;
import?java.io.InputStreamReader;
import?java.io.PrintWriter;
import?java.io.UnsupportedEncodingException;

/**
?*?Class?Client?is?a?class?representing?a?simple?HTTP?client.
?*
?*?@author?wben
?*/

public?class?Client?{

	/**
	?*?default?HTTP?port?is?port?80
	?*/
	private?static?int?port?=?80;

	/**
	?*?Allow?a?maximum?buffer?size?of?8192?bytes
	?*/
	private?static?int?buffer_size?=?8192;

	/**
	?*?The?end?of?line?character?sequence.
	?*/
	private?static?String?CRLF?=?“\r\n“;

	/**
	?*?Input?is?taken?from?the?keyboard
	?*/
	static?BufferedReader?keyboard?=?new?BufferedReader（new?InputStreamReader（
			System.in））;

	/**
	?*?Output?is?written?to?the?screen?（standard?out）
	?*/
	static?PrintWriter?screen?=?new?PrintWriter（System.out?true）;

	public?static?void?main（String[]?args）?throws?Exception?{
		try?{
			/**
			?*?Create?a?new?HttpClient?object.
			?*/
			HttpClient?myClient?=?new?HttpClient（）;

			/**
			?*?Parse?the?input?arguments.
			?*/
			if?（args.length?!=?1）?{
				System.err.println（“Usage:?Client?“）;
				System.exit（0）;
			}

			/**
			?*?Connect?to?the?input?server
			?*/
			myClient.connect（args[0]）;

			/**
			?*?Read?the?get?request?from?the?terminal.
			?*/
			screen.println（args[0]?+?“?is?listening?to?your?request:“）;
			String?request?=?keyboard.readLine（）;

			if?（request.startsWith（“GET“））?{
				/**
				?*?Ask?the?client?to?process?the?GET?request.
				?*/
				myClient.processGetRequest（request）;
				
			}?else?if?（request.startsWith（“PUT“））?{
				/**
				?*?Ask?the?client?to?process?the?PUT?request.
				?*/
				myClient.processPutRequest（request）;
			}?else?{
				/**
				?*?Do?not?process?other?request.
				?*/
				screen.println（“Bad?request!?\n“）;
				myClient.close（）;
				return;
			}

			/**
			?*?Get?the?headers?and?display?them.
			?*/
			screen.println（“Header:?\n“）;
			screen.print（myClient.getHeader（）?+?“\n“）;
			screen.flush（）;

			if?（request.startsWith（“GET“））?{
				/**
				?*?Ask?the?user?to?input?a?name?to?save?the?GET?resultant?web?page.
				?*/
				screen.println（）;
				screen.print（“Enter?the?name?of?the?file?to?save:?“）;
				screen.flush（）;
				String?filename?=?keyboard.readLine（）;
				FileOutputStream?outfile?=?new?FileOutputStream（filename）;
	
				/**
				?*?Save?the?response?to?the?specified?file.
				?*/
				String?response?=?myClient.getResponse（）;
				outfile.write（response.getBytes（“iso-8859-1“））;
				outfile.flush（）;
				outfile.close（）;
			}

			/**
			?*?Close?the?connection?client.
			?*/
			myClient.close（）;
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2018-12-03?18:59??ex2\.classpath

?????文件????????379??2018-12-03?18:59??ex2\.project

?????文件????????598??2018-12-03?18:59??ex2\.settings\org.eclipse.jdt.core.prefs

?????文件?????????27??2018-12-27?21:41??ex2\1.txt

?????文件????????108??2018-12-28?11:30??ex2\2.txt

?????文件???????2654??2018-12-27?20:23??ex2\bin\http\Client.class

?????文件???????6593??2018-12-28?18:43??ex2\bin\http\Handler.class

?????文件???????3859??2018-12-28?12:35??ex2\bin\http\HttpClient.class

?????文件???????1656??2018-12-28?16:39??ex2\bin\http\HttpServer.class

?????文件??????????0??2018-12-20?23:17??ex2\cfh

?????文件??????????0??2018-12-21?00:05??ex2\PUT

?????文件???????2782??2018-12-03?19:00??ex2\src\http\Client.java

?????文件???????6875??2018-12-28?22:31??ex2\src\http\Handler.java

?????文件???????4777??2018-12-28?12:35??ex2\src\http\HttpClient.java

?????文件???????1053??2018-12-28?22:30??ex2\src\http\HttpServer.java

?????目錄??????????0??2018-12-28?09:50??ex2\bin\http

?????目錄??????????0??2018-12-28?09:50??ex2\src\http

?????目錄??????????0??2018-12-28?09:50??ex2\.settings

?????目錄??????????0??2018-12-28?09:50??ex2\bin

?????目錄??????????0??2018-12-28?09:50??ex2\src

?????目錄??????????0??2018-12-28?22:28??ex2

-----------?---------??----------?-----??----

????????????????31662????????????????????21