java.net.FileNameMap getContentType
2021/9/12 22:06:32
本文主要是介绍java.net.FileNameMap getContentType,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
import java.net.FileNameMap; import java.net.URLConnection; public class Main { /** * A static reference to a file name map. When loaded, this class will atempt to * use the sun.net.www.MimeTable to load a filename map. If that class isn't * available a default filename map, consisting of the most common types, will * be created. */ protected static FileNameMap fileNameMap = URLConnection.getFileNameMap();; /** * Gets the content type for the specified file. This method uses the static * FileNameMap member (@see #fileNameMap) to get the conten type for a certain * file. If no type could be found, "application/octet-stream" will be returned. * <br> * <br> * Subclasses can override this method to provide a better implementation. * * @param file the name of the file to get the contenttype for. * * @return the content type. */ public static String getContentType(String file) { String foundContentType = null; file = file.trim(); if (fileNameMap != null) foundContentType = fileNameMap.getContentTypeFor(file); if (foundContentType != null) return foundContentType; else return "application/octet-stream"; } public static void main(String[] args) { System.out.println( getContentType("C:\\Users\\Administrator\\eclipse-workspace\\JavaHTTPServer\\webroot\\index.html")); System.out.println( getContentType("C:\\Users\\Administrator\\eclipse-workspace\\JavaHTTPServer\\webroot\\Sunset.jpg")); } }
text/html
image/jpeg
这篇关于java.net.FileNameMap getContentType的文章就介绍到这儿,希望我们推荐的文章对大家有所帮助,也希望大家多多支持为之网!
- 2022-03-01沐雪多租宝商城源码从.NetCore3.1升级到.Net6的步骤
- 2024-12-06使用Microsoft.Extensions.AI在.NET中生成嵌入向量
- 2024-11-18微软研究:RAG系统的四个层次提升理解与回答能力
- 2024-11-15C#中怎么从PEM格式的证书中提取公钥?-icode9专业技术文章分享
- 2024-11-14云架构设计——如何用diagrams.net绘制专业的AWS架构图?
- 2024-05-08首个适配Visual Studio平台的国产智能编程助手CodeGeeX正式上线!C#程序员必备效率神器!
- 2024-03-30C#设计模式之十六迭代器模式(Iterator Pattern)【行为型】
- 2024-03-29c# datetime tryparse
- 2024-02-21list find index c#
- 2024-01-24convert toint32 c#