18212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrompackage org.bouncycastle.asn1.x9;
28212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom
38212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrompublic abstract class X9ECParametersHolder
48212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom{
58212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom    private X9ECParameters params;
68212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom
78212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom    public X9ECParameters getParameters()
88212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom    {
98212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom        if (params == null)
108212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom        {
118212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom            params = createParameters();
128212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom        }
138212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom
148212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom        return params;
158212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom    }
168212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom
178212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom    protected abstract X9ECParameters createParameters();
188212855a312dc8ebe081a3e08b1d2d8f8757af02Brian Carlstrom}
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