/**
?*?Created?on?2018年7月20日?by?caiming
?*/
package?com.netty.fileupload.handler;

import?java.io.File;
import?java.io.RandomAccessFile;
import?java.net.URISyntaxException;
import?java.net.URL;
import?java.nio.ByteBuffer;
import?java.nio.channels.FileChannel;

import?io.netty.channel.ChannelFuture;
import?io.netty.channel.ChannelFutureListener;
import?io.netty.channel.ChannelHandlerContext;
import?io.netty.channel.DefaultFileRegion;
import?io.netty.channel.SimpleChannelInboundHandler;
import?io.netty.channel.group.ChannelGroup;
import?io.netty.handler.codec.http.DefaultFullHttpResponse;
import?io.netty.handler.codec.http.DefaultHttpResponse;
import?io.netty.handler.codec.http.FullHttpResponse;
import?io.netty.handler.codec.http.HttpHeaderNames;
import?io.netty.handler.codec.http.HttpHeaderValues;
import?io.netty.handler.codec.http.HttpRequest;
import?io.netty.handler.codec.http.HttpResponse;
import?io.netty.handler.codec.http.HttpResponseStatus;
import?io.netty.handler.codec.http.HttpUtil;
import?io.netty.handler.codec.http.HttpVersion;
import?io.netty.handler.codec.http.LastHttpContent;
import?io.netty.handler.codec.http.websocketx.BinaryWebSocketframe;
import?io.netty.handler.codec.http.websocketx.CloseWebSocketframe;
import?io.netty.handler.codec.http.websocketx.TextWebSocketframe;
import?io.netty.handler.codec.http.websocketx.WebSocketframe;
import?io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;
import?io.netty.handler.ssl.SslHandler;
import?io.netty.handler.stream.ChunkedNioFile;

/**
?*?@title
?*?@Description
?*?@author?caiming
?*?@version?1.0
?*?@修改記錄
?*?@修改序號，修改日期，修改人，修改內容
?*/
public?class?FileWebSocketframeHandler?extends?SimpleChannelInboundHandlerject>?{
	//文件上傳路經
	private?final?static?String?SERVER_SAVE_PATH?=?“D:/“;

	private?static?final?String?WEBSOCKET_PATH?=?“/ws“;

	private?final?ChannelGroup?group;

	private?WebSocketServerHandshaker?handshaker;

	private?String?fileName?=?“test“;

	private?static?final?File?INDEX;

	static?{
		URL?location?=?HTTPRequestHandler.class.getProtectionDomain（）.getCodeSource（）.getLocation（）;//?當前class的絕對路徑
		String?path;
		try?{
			path?=?location.toURI（）?+?“index.html“;
			path?=?!path.contains（“file:“）???path?:?path.substring（5）;
			INDEX?=?new?File（path）;
		}?catch?（URISyntaxException?e）?{
			throw?new?IllegalStateException（“Unable?to?locate?index.html“?e）;
		}

	}

	public?FileWebSocketframeHandler（ChannelGroup?group）?{
		this.group?=?group;
	}

	private?void?handleHttpRequest（ChannelHandlerContext?ctx?HttpRequest?req）?throws?Exception?{
		//?100-continue?是用于客戶端在發送?post?數據給服務器時，征詢服務器情況，看服務器是否處理?post
		//?的數據，如果不處理，客戶端則不上傳?post?是數據，反之則上傳。在實際應用中，通過?post?上傳大數據時，才會使用到
		//?100-continue?協議。
		if?（HttpUtil.is100ContinueExpected（req））?{
			send100Continue（ctx）;
		}
		RandomAccessFile?file?=?new?RandomAccessFile（INDEX?“r“）;
		HttpResponse?response?=?new?DefaultHttpResponse（req.protocolVersion（）?HttpResponseStatus.OK）;
		response.headers（）.set（HttpHeaderNames.CONTENT_TYPE?“text/h

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-07-23?00:51??FileUpload\
?????文件????????1397??2018-07-23?00:51??FileUpload\.classpath
?????文件?????????527??2018-07-23?00:52??FileUpload\pom.xml
?????文件?????????539??2018-07-23?00:51??FileUpload\.project
?????目錄???????????0??2018-07-23?00:51??FileUpload\target\
?????目錄???????????0??2018-07-23?00:51??FileUpload\.settings\
?????文件?????????238??2018-07-23?00:51??FileUpload\.settings\org.eclipse.jdt.core.prefs
?????文件??????????86??2018-07-23?00:51??FileUpload\.settings\org.eclipse.m2e.core.prefs
?????目錄???????????0??2018-07-23?00:51??FileUpload\src\
?????目錄???????????0??2018-07-23?00:51??FileUpload\target\test-classes\
?????目錄???????????0??2018-07-23?00:55??FileUpload\target\classes\
?????文件????????4339??2018-07-23?00:55??FileUpload\target\classes\index.html
?????目錄???????????0??2018-07-23?00:51??FileUpload\src\test\
?????目錄???????????0??2018-07-23?00:51??FileUpload\src\main\
?????目錄???????????0??2018-07-23?00:53??FileUpload\target\classes\com\
?????目錄???????????0??2018-07-23?00:51??FileUpload\src\test\resources\
?????目錄???????????0??2018-07-23?00:51??FileUpload\src\test\java\
?????目錄???????????0??2018-07-23?00:55??FileUpload\src\main\resources\
?????文件????????4339??2018-07-20?06:16??FileUpload\src\main\resources\index.html
?????目錄???????????0??2018-07-23?00:53??FileUpload\src\main\java\
?????目錄???????????0??2018-07-23?00:53??FileUpload\target\classes\com\netty\
?????目錄???????????0??2018-07-23?00:53??FileUpload\src\main\java\com\
?????目錄???????????0??2018-07-23?00:53??FileUpload\target\classes\com\netty\fileupload\
?????目錄???????????0??2018-07-23?00:53??FileUpload\src\main\java\com\netty\
?????目錄???????????0??2018-07-23?00:56??FileUpload\target\classes\com\netty\fileupload\server\
?????文件?????????710??2018-07-23?00:56??FileUpload\target\classes\com\netty\fileupload\server\WebSocketServer$1.class
?????文件????????1614??2018-07-23?00:55??FileUpload\target\classes\com\netty\fileupload\server\WebSocketServerInitializer.class
?????文件????????3268??2018-07-23?00:56??FileUpload\target\classes\com\netty\fileupload\server\WebSocketServer.class
?????目錄???????????0??2018-07-23?00:54??FileUpload\target\classes\com\netty\fileupload\handler\
?????文件????????4122??2018-07-23?00:54??FileUpload\target\classes\com\netty\fileupload\handler\TextWebSocketframeHandler.class
?????文件????????5972??2018-07-23?00:54??FileUpload\target\classes\com\netty\fileupload\handler\HTTPRequestHandler.class
............此處省略9個文件信息