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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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25 
26 package java.security.cert;
27 
28 import java.util.*;
29 
30 import sun.security.provider.certpath.CertPathHelper;
31 
32 import sun.security.x509.GeneralNameInterface;
33 
34 /**
35  * Helper class that allows the Sun CertPath provider to access
36  * implementation dependent APIs in CertPath framework.
37  *
38  * @author Andreas Sterbenz
39  */
40 class CertPathHelperImpl extends CertPathHelper {
41 
CertPathHelperImpl()42     private CertPathHelperImpl() {
43         // empty
44     }
45 
46     /**
47      * Initialize the helper framework. This method must be called from
48      * the static initializer of each class that is the target of one of
49      * the methods in this class. This ensures that the helper is initialized
50      * prior to a tunneled call from the Sun provider.
51      */
initialize()52     synchronized static void initialize() {
53         if (CertPathHelper.instance == null) {
54             CertPathHelper.instance = new CertPathHelperImpl();
55         }
56     }
57 
implSetPathToNames(X509CertSelector sel, Set<GeneralNameInterface> names)58     protected void implSetPathToNames(X509CertSelector sel,
59             Set<GeneralNameInterface> names) {
60         sel.setPathToNamesInternal(names);
61     }
62 
implSetDateAndTime(X509CRLSelector sel, Date date, long skew)63     protected void implSetDateAndTime(X509CRLSelector sel, Date date, long skew) {
64         sel.setDateAndTime(date, skew);
65     }
66 }
67