java判断一个war是否为标准的web工程

package com.yun70;

 

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.jar.JarEntry;

import java.util.jar.JarFile;

 

public class myClassLoader extends ClassLoader

{

public static void main(String[] args)

{

StringBuffer sb = new StringBuffer();  

try

{

String warpath = "D:\\test3.war";

//String warpath = "D:\\spring-aop-3.0.5.RELEASE.jar";

JarFile jarFile = new JarFile(warpath);

JarEntry jarEntry = jarFile.getJarEntry("WEB-INF/web.xml");

if(null != jarEntry)

{

System.out.println("--web.xml:"+jarEntry.getName());

}

else

{

System.out.println("----不是war包...");

return;

}

 

 

InputStream jarEntryInputStream = jarFile.getInputStream(jarEntry);

BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(jarEntryInputStream));

String readLine =null;

while((readLine = bufferedReader.readLine())!=null)

{

sb.append(readLine);

sb.append("\r\n");

}

 

bufferedReader.close();

jarEntryInputStream.close();

 

System.out.println("--sb: " + sb.toString());

}

catch(Exception e)

{

e.printStackTrace();

}

}

}