com.oreilly.servlet

类 VersionDetector

java.lang.Object

com.oreilly.servlet.VersionDetector

public class VersionDetector
extends java.lang.Object

A class to determine the current Servlet API version number, and the current JDK version number. It looks at the available classes and variables to make the determination. The class can detect Servlet API versions up to 2.2, and JDK versions up to 1.3.

It can be used like this:

 String servletVersion = VersionDetector.getServletVersion();
  
 String javaVersion = VersionDetector.getJavaVersion();

版本:

1.3, 2002/04/22, added detection of JDK 1.5 and Servlet API 2.4, 1.2, 2001/04/11, added detection of JDK 1.4, 1.1, 2000/09/22, added detection of Servlet API 2.3, 1.0, 2000/02/08

作者:

Jason Hunter, Copyright © 2000

构造器概要

构造器

构造器和说明
VersionDetector()

方法概要

方法

限定符和类型	方法和说明
static java.lang.String	getJavaVersion() Determines the JDK version number.
static java.lang.String	getServletVersion() Determines the Servlet API version number.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

VersionDetector

public VersionDetector()

方法详细资料

getServletVersion

public static java.lang.String getServletVersion()

Determines the Servlet API version number.

返回:

a String representation of the servlet version

getJavaVersion

public static java.lang.String getJavaVersion()

Determines the JDK version number.

返回:

a String representation of the JDK version