jtulach@46: package org.apidesign.impl.security.extension;
jtulach@46: 
jtulach@46: import java.nio.ByteBuffer;
jtulach@46: import java.security.MessageDigest;
jtulach@46: import java.security.NoSuchAlgorithmException;
jtulach@46: import java.util.logging.Level;
jtulach@46: import java.util.logging.Logger;
jtulach@47: import org.apidesign.spi.security.Digestor;
jtulach@46: 
jtulach@46: /**
jtulach@46:  *
jtulach@46:  * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jtulach@46:  */
jtulach@46: // BEGIN: day.end.bridges.BridgeToNew
jtulach@47: public class BridgeToNew extends Digestor<MessageDigest> {
jtulach@132:     /** initializes the other bridge, and allow us to eliminate stack 
jtulach@132:      * overflow */
jtulach@48:     private static final BridgeToOld oldBridge = new BridgeToOld();
jtulach@48:     
jtulach@47:     @Override
jtulach@47:     protected MessageDigest create(String algorithm) {
jtulach@49:         // BEGIN: day.end.bridges.cyclecheck
jtulach@48:         if (oldBridge.isSearching()) {
jtulach@49:             // if the call is initiated from the other bridge, do not do
jtulach@49:             // any delegation
jtulach@48:             return null;
jtulach@48:         }
jtulach@49:         // END: day.end.bridges.cyclecheck
jtulach@48:         
jtulach@46:         try {
jtulach@47:             return MessageDigest.getInstance(algorithm);
jtulach@46:         } catch (NoSuchAlgorithmException ex) {
jtulach@132:             Logger.getLogger(BridgeToNew.class.getName()).log(
jtulach@132:                 Level.FINE, "Cannot find " + algorithm, ex
jtulach@132:             );
jtulach@46:             return null;
jtulach@46:         }
jtulach@46:     }
jtulach@47: 
jtulach@47:     @Override
jtulach@47:     protected byte[] digest(MessageDigest data) {
jtulach@47:         return data.digest();
jtulach@47:     }
jtulach@47: 
jtulach@47:     @Override
jtulach@47:     protected void update(MessageDigest data, ByteBuffer input) {
jtulach@47:         data.update(input);
jtulach@47:     }
jtulach@48:     
jtulach@48:     static {
jtulach@48:         new BridgeToOld();
jtulach@48:     }
jtulach@46: }
jtulach@46: // END: day.end.bridges.BridgeToNew