org.apache.openjpa.lib.util
Class JavaVersions

java.lang.Object
  org.apache.openjpa.lib.util.JavaVersions

public class JavaVersions
extends Object

Utilities for dealing with different Java specification versions.

Author:

Abe White, Pinaki Poddar

Field Summary

static int

VERSION Java version; one of 2, 3, 4, 5, 6, or 7.

Constructor Summary

JavaVersions()

Method Summary

(package private) static Class<?>	extractClass(Type type) Extracts the class from the given argument, if possible.
static Class<?>[]	getParameterizedTypes(Field f) Collects the parameterized type declarations for a given field.
static Class<?>[]	getParameterizedTypes(Method meth) Collects the parameterized return type declarations for a given method.

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final int VERSION

Java version; one of 2, 3, 4, 5, 6, or 7.

Constructor Detail

JavaVersions

public JavaVersions()

Method Detail

getParameterizedTypes

public static Class<?>[] getParameterizedTypes(Field f)

Collects the parameterized type declarations for a given field.

getParameterizedTypes

public static Class<?>[] getParameterizedTypes(Method meth)

Collects the parameterized return type declarations for a given method.

extractClass

static Class<?> extractClass(Type type)
                      throws Exception

Extracts the class from the given argument, if possible. Null otherwise.

Throws:

Exception