hk2 4.0.1 · org.glassfish.hk2.utilities.general.GeneralUtilities

Access	Constructor and Description
public	GeneralUtilities()

Method Summary

Modifier and Type	Method and Description
public static <K, V> WeakHashClock<K, V>	Returns: A weak hash clock implementation getWeakHashClock(boolean if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache isWeak) Creates a weak hash clock
public static <K> WeakHashLRU<K>	Returns: A weak hash clock implementation getWeakHashLRU(boolean if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache isWeak) Creates a weak hash clock
private static Class<?>	loadArrayClass(ClassLoader cl, String aName)
public static Class<?>	Returns: The class if it could be loaded from the classloader, or null if it could not be found for any reason loadClass(ClassLoader The non-null classloader to load the class from cl, String The fully qualified non-null name of the class to load cName) Loads the class from the given classloader or returns null (does not throw).
public static String	Returns: A string that has the bytes pretty-printed prettyPrintBytes(byte[] A non-null string of bytes bytes) Pretty prints a string of bytes in a hexadecimal format with byte number at the start of the line
public static boolean	Returns: true if equal, false if not safeEquals(Object A possibly null object to compare a, Object A possibly null object to compare b) Returns true if a is equals to b, or both and and b are null.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

GeneralUtilities	back to summary
public GeneralUtilities()

Method Detail

getWeakHashClock	back to summary
public static <K, V> WeakHashClock<K, V> getWeakHashClock(boolean isWeak) Creates a weak hash clock Parameters isWeak:boolean if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache Returns:WeakHashClock<K, V> A weak hash clock implementation

getWeakHashClock

back to summary

public static <K, V> WeakHashClock<K, V> getWeakHashClock(boolean isWeak)

Creates a weak hash clock

Parameters

isWeak:boolean: if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache

Returns:WeakHashClock<K, V>

A weak hash clock implementation

getWeakHashLRU	back to summary
public static <K> WeakHashLRU<K> getWeakHashLRU(boolean isWeak) Creates a weak hash clock Parameters isWeak:boolean if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache Returns:WeakHashLRU<K> A weak hash clock implementation

getWeakHashLRU

back to summary

public static <K> WeakHashLRU<K> getWeakHashLRU(boolean isWeak)

Creates a weak hash clock

Parameters

isWeak:boolean: if true this will keep weak keyes, if false the keys will be hard and will not go away even if they do not exist anywhere else but this cache

Returns:WeakHashLRU<K>

A weak hash clock implementation

loadArrayClass	back to summary
private static Class<?> loadArrayClass(ClassLoader cl, String aName)

loadClass	back to summary
public static Class<?> loadClass(ClassLoader cl, String cName) Loads the class from the given classloader or returns null (does not throw). Property handles array classes as well Parameters cl:ClassLoader The non-null classloader to load the class from cName:String The fully qualified non-null name of the class to load Returns:Class<?> The class if it could be loaded from the classloader, or null if it could not be found for any reason

loadClass

back to summary

public static Class<?> loadClass(ClassLoader cl, String cName)

Loads the class from the given classloader or returns null (does not throw). Property handles array classes as well

Parameters

cl:ClassLoader: The non-null classloader to load the class from
cName:String: The fully qualified non-null name of the class to load

Returns:Class<?>

The class if it could be loaded from the classloader, or null if it could not be found for any reason

prettyPrintBytes	back to summary
public static String prettyPrintBytes(byte[] bytes) Pretty prints a string of bytes in a hexadecimal format with byte number at the start of the line Parameters bytes:byte[] A non-null string of bytes Returns:String A string that has the bytes pretty-printed

prettyPrintBytes

back to summary

public static String prettyPrintBytes(byte[] bytes)

Pretty prints a string of bytes in a hexadecimal format with byte number at the start of the line

Parameters

bytes:byte[]: A non-null string of bytes

Returns:String

A string that has the bytes pretty-printed

safeEquals	back to summary
public static boolean safeEquals(Object a, Object b) Returns true if a is equals to b, or both and and b are null. Is safe even if a or b is null. If a or b is null but the other is not null, this returns false Parameters a:Object A possibly null object to compare b:Object A possibly null object to compare Returns:boolean true if equal, false if not

safeEquals

back to summary

public static boolean safeEquals(Object a, Object b)

Returns true if a is equals to b, or both and and b are null. Is safe even if a or b is null. If a or b is null but the other is not null, this returns false

Parameters

a:Object: A possibly null object to compare
b:Object: A possibly null object to compare

Returns:boolean

true if equal, false if not

public Class GeneralUtilities

Constructor Summary

Method Summary

Constructor Detail

Method Detail