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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.4.
package org.bouncycastle.asn1.x9;
import org.bouncycastle.math.ec.ECCurve;
/**
* A holding class that allows for X9ECParameters to be lazily constructed.
*/
public abstract class X9ECParametersHolder
{
private ECCurve curve;
private X9ECParameters params;
public synchronized ECCurve getCurve()
{
if (curve == null)
{
curve = createCurve();
}
return curve;
}
public synchronized X9ECParameters getParameters()
{
if (params == null)
{
params = createParameters();
}
return params;
}
protected ECCurve createCurve()
{
return createParameters().getCurve();
}
protected abstract X9ECParameters createParameters();
}