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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.core 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.core.JdkVersion

JdkVersion
abstract public class JdkVersion (Code)
Internal helper class used to find the Java/JDK version that Spring is operating on, to allow for automatically adapting to the present platform's capabilities.

Note that Spring does not support 1.2 or earlier JVMs.
author:
   Rod Johnson
author:
   Juergen Hoeller
author:
   Rick Evans



Field Summary
final public static  intJAVA_13
     Constant identifying the 1.3.x JVM (JDK 1.3).
final public static  intJAVA_14
     Constant identifying the 1.4.x JVM (J2SE 1.4).
final public static  intJAVA_15
     Constant identifying the 1.5 JVM (Java 5).
final public static  intJAVA_16
     Constant identifying the 1.6 JVM (Java 6).
final public static  intJAVA_17
     Constant identifying the 1.7 JVM.


Method Summary
public static  StringgetJavaVersion()
     Return the full Java version string, as returned by System.getProperty("java.version").
public static  intgetMajorJavaVersion()
     Get the major version code.
public static  booleanisAtLeastJava14()
     Convenience method to determine if the current JVM is at least Java 1.4.
public static  booleanisAtLeastJava15()
     Convenience method to determine if the current JVM is at least Java 1.5 (Java 5).

Field Detail
JAVA_13
final public static int JAVA_13(Code)
Constant identifying the 1.3.x JVM (JDK 1.3).



JAVA_14
final public static int JAVA_14(Code)
Constant identifying the 1.4.x JVM (J2SE 1.4).



JAVA_15
final public static int JAVA_15(Code)
Constant identifying the 1.5 JVM (Java 5).



JAVA_16
final public static int JAVA_16(Code)
Constant identifying the 1.6 JVM (Java 6).



JAVA_17
final public static int JAVA_17(Code)
Constant identifying the 1.7 JVM.





Method Detail
getJavaVersion
public static String getJavaVersion()(Code)
Return the full Java version string, as returned by System.getProperty("java.version"). the full Java version string
See Also:   System.getProperty(String)



getMajorJavaVersion
public static int getMajorJavaVersion()(Code)
Get the major version code. This means we can do things like if (getMajorJavaVersion() < JAVA_14). a code comparable to the JAVA_XX codes in this class
See Also:   JdkVersion.JAVA_13
See Also:   JdkVersion.JAVA_14
See Also:   JdkVersion.JAVA_15
See Also:   JdkVersion.JAVA_16
See Also:   JdkVersion.JAVA_17



isAtLeastJava14
public static boolean isAtLeastJava14()(Code)
Convenience method to determine if the current JVM is at least Java 1.4. true if the current JVM is at least Java 1.4
See Also:   JdkVersion.getMajorJavaVersion()
See Also:   JdkVersion.JAVA_14
See Also:   JdkVersion.JAVA_15
See Also:   JdkVersion.JAVA_16
See Also:   JdkVersion.JAVA_17



isAtLeastJava15
public static boolean isAtLeastJava15()(Code)
Convenience method to determine if the current JVM is at least Java 1.5 (Java 5). true if the current JVM is at least Java 1.5
See Also:   JdkVersion.getMajorJavaVersion()
See Also:   JdkVersion.JAVA_15
See Also:   JdkVersion.JAVA_16
See Also:   JdkVersion.JAVA_17



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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