javax.servlet.jsp
类 JspEngineInfo

java.lang.Object
  javax.servlet.jsp.JspEngineInfo

public abstract class JspEngineInfo
extends Object

The JspEngineInfo is an abstract class that provides information on the current JSP engine.

构造方法摘要

JspEngineInfo()
Sole constructor.

方法摘要

abstract String

getSpecificationVersion() Return the version number of the JSP specification that is supported by this JSP engine.

从类 java.lang.Object 继承的方法

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

构造方法详细信息

JspEngineInfo

public JspEngineInfo()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

方法详细信息

getSpecificationVersion

public abstract String getSpecificationVersion()

Return the version number of the JSP specification that is supported by this JSP engine.

Specification version numbers that consists of positive decimal integers separated by periods ".", for example, "2.0" or "1.2.3.4.5.6.7". This allows an extensible number to be used to represent major, minor, micro, etc versions. The version number must begin with a number.

返回：

the specification version, null is returned if it is not known