question: public static void dump ( String context , KeyStore keyStore , char [ ] keyPassword ) throws KeyStoreException , NoSuchAlgorithmException { PrintStream out = System . out ; out . println ( "context=" + context ) ; out . println ( "\tkeyStore=" + keyStore ) ; out . println ( "\tkeyStore.type=" + keyStore . getType ( ) ) ; out . println ( "\tkeyStore.provider=" + keyStore . getProvider ( ) ) ; out . println ( "\tkeyPassword=" + ( ( keyPassword == null ) ? null : new String ( keyPassword ) ) ) ; out . println ( "\tsize=" + keyStore . size ( ) ) ; for ( String alias : Collections . list ( keyStore . aliases ( ) ) ) { out . println ( "alias=" + alias ) ; out . println ( "\tcreationDate=" + keyStore . getCreationDate ( alias ) ) ; if ( keyStore . isCertificateEntry ( alias ) ) { out . println ( "\tcertificate:" ) ; out . println ( "==========================================" ) ; out . println ( keyStore . getCertificate ( alias ) ) ; out . println ( "==========================================" ) ; continue ; } if ( keyStore . isKeyEntry ( alias ) ) { out . println ( "\tkey:" ) ; out . println ( "==========================================" ) ; String key ; try { key = ( "Key retrieved using password\n" + keyStore . getKey ( alias , keyPassword ) ) ; } catch ( UnrecoverableKeyException e1 ) { try { key = ( "Key retrieved without password\n" + keyStore . getKey ( alias , null ) ) ; } catch ( UnrecoverableKeyException e2 ) { key = "Key could not be retrieved" ; } } out . println ( key ) ; out . println ( "==========================================" ) ; Certificate [ ] chain = keyStore . getCertificateChain ( alias ) ; if ( chain == null ) { out . println ( "No certificate chain associated with key" ) ; out . println ( "==========================================" ) ; } else { for ( int i = 0 ; i < chain . length ; i ++ ) { out . println ( "Certificate chain element #" + i ) ; out . println ( chain [ i ] ) ; out . println ( "==========================================" ) ; } } continue ; } out . println ( "\tunknown entry type" ) ; } }
target:  Dump a key store for debugging.