Package org.eclipse.net4j.util.security
Class Randomizer
- java.lang.Object
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- org.eclipse.net4j.util.event.Notifier
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- org.eclipse.net4j.util.lifecycle.Lifecycle
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- org.eclipse.net4j.util.security.Randomizer
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- All Implemented Interfaces:
INotifier,INotifier.INotifier2,IDeactivateable,ILifecycle,ILifecycle.DeferrableActivation,IRandomizer
public class Randomizer extends Lifecycle implements IRandomizer
- Author:
- Eike Stepper
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.net4j.util.lifecycle.ILifecycle
ILifecycle.DeferrableActivation
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Nested classes/interfaces inherited from interface org.eclipse.net4j.util.event.INotifier
INotifier.INotifier2
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Field Summary
Fields Modifier and Type Field Description static java.lang.StringALGORITHM_SHA1PRNGstatic java.lang.StringDEFAULT_ALGORITHM_NAME
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Constructor Summary
Constructors Constructor Description Randomizer()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected voiddoActivate()protected voiddoBeforeActivate()protected voiddoDeactivate()byte[]generateSeed(int numBytes)java.lang.StringgetAlgorithm()java.lang.StringgetAlgorithmName()java.lang.StringgetProviderName()booleannextBoolean()voidnextBytes(byte[] bytes)doublenextDouble()floatnextFloat()doublenextGaussian()intnextInt()intnextInt(int n)longnextLong()java.lang.StringnextString(int length, java.lang.String alphabet)voidsetAlgorithmName(java.lang.String algorithmName)voidsetProviderName(java.lang.String providerName)voidsetSeed(byte[] seed)voidsetSeed(long seed)-
Methods inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle
activate, checkActive, checkArg, checkArg, checkInactive, checkNull, checkState, checkState, deactivate, deferredActivate, doAfterActivate, doBeforeDeactivate, dump, getLifecycleState, isActive, isDeferredActivation, toString
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Methods inherited from class org.eclipse.net4j.util.event.Notifier
addListener, addUniqueListener, fireEvent, fireEvent, fireEvent, fireThrowable, firstListenerAdded, getListeners, getNotificationService, hasListener, hasListeners, lastListenerRemoved, listenerAdded, listenerRemoved, removeListener
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.eclipse.net4j.util.event.INotifier
addListener, getListeners, hasListeners, removeListener
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Field Detail
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ALGORITHM_SHA1PRNG
public static final java.lang.String ALGORITHM_SHA1PRNG
- See Also:
- Constant Field Values
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DEFAULT_ALGORITHM_NAME
public static final java.lang.String DEFAULT_ALGORITHM_NAME
- See Also:
- Constant Field Values
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Method Detail
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getAlgorithmName
public java.lang.String getAlgorithmName()
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setAlgorithmName
public void setAlgorithmName(java.lang.String algorithmName)
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getProviderName
public java.lang.String getProviderName()
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setProviderName
public void setProviderName(java.lang.String providerName)
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setSeed
public void setSeed(byte[] seed)
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setSeed
public void setSeed(long seed)
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nextBoolean
public boolean nextBoolean()
- Specified by:
nextBooleanin interfaceIRandomizer
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nextDouble
public double nextDouble()
- Specified by:
nextDoublein interfaceIRandomizer
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nextFloat
public float nextFloat()
- Specified by:
nextFloatin interfaceIRandomizer
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nextGaussian
public double nextGaussian()
- Specified by:
nextGaussianin interfaceIRandomizer
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nextInt
public int nextInt()
- Specified by:
nextIntin interfaceIRandomizer
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nextInt
public int nextInt(int n)
- Specified by:
nextIntin interfaceIRandomizer
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nextLong
public long nextLong()
- Specified by:
nextLongin interfaceIRandomizer
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generateSeed
public byte[] generateSeed(int numBytes)
- Specified by:
generateSeedin interfaceIRandomizer
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getAlgorithm
public java.lang.String getAlgorithm()
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nextBytes
public void nextBytes(byte[] bytes)
- Specified by:
nextBytesin interfaceIRandomizer
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nextString
public java.lang.String nextString(int length, java.lang.String alphabet)- Specified by:
nextStringin interfaceIRandomizer
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doBeforeActivate
protected void doBeforeActivate() throws java.lang.Exception- Overrides:
doBeforeActivatein classLifecycle- Throws:
java.lang.Exception
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doActivate
protected void doActivate() throws java.lang.Exception- Overrides:
doActivatein classLifecycle- Throws:
java.lang.Exception
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doDeactivate
protected void doDeactivate() throws java.lang.Exception- Overrides:
doDeactivatein classLifecycle- Throws:
java.lang.Exception
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