question: public DragEntry dragSelectedEntry ( ) { try { KeyStoreHistory history = getActiveKeyStoreHistory ( ) ; if ( history == null ) { return null ; } KeyStoreState currentState = history . getCurrentState ( ) ; KeyStore keyStore = currentState . getKeyStore ( ) ; String alias = getSelectedEntryAlias ( ) ; if ( alias == null ) { return null ; } if ( KeyStoreUtil . isKeyEntry ( alias , keyStore ) ) { JOptionPane . showMessageDialog ( frame , res . getString ( "KseFrame.NoDragKeyEntry.message" ) , KSE . getApplicationName ( ) , JOptionPane . WARNING_MESSAGE ) ; return null ; } if ( KeyStoreUtil . isKeyPairEntry ( alias , keyStore ) ) { Password password = currentState . getEntryPassword ( alias ) ; KeyStoreType type = KeyStoreType . resolveJce ( keyStore . getType ( ) ) ; if ( password == null && type . hasEntryPasswords ( ) ) { JOptionPane . showMessageDialog ( frame , res . getString ( "KseFrame.NoDragLockedKeyPairEntry.message" ) , KSE . getApplicationName ( ) , JOptionPane . WARNING_MESSAGE ) ; return null ; } PrivateKey privateKey = ( PrivateKey ) keyStore . getKey ( alias , password . toCharArray ( ) ) ; Certificate [ ] certificateChain = keyStore . getCertificateChain ( alias ) ; return new DragKeyPairEntry ( alias , privateKey , password , certificateChain ) ; } else { Certificate trustedCertificate = keyStore . getCertificate ( alias ) ; return new DragTrustedCertificateEntry ( alias , trustedCertificate ) ; } } catch ( Exception ex ) { DError . displayError ( frame , ex ) ; return null ; } }
target:  Get a the selected entry as a drag entry for DnD.