Method checkSqlCodes

java/org/apache/tomcat/dbcp/dbcp2/Utils.java:88–96

Checks for conflicts between two collections. If any overlap is found between the two provided collections, an IllegalArgumentException is thrown. @param codes1 The first collection of SQL state codes. @param codes2 The second collection of SQL state codes. @throws IllegalArgumentE

(final Collection<String> codes1, final Collection<String> codes2)

     * @since 2.13.0
     */
    static void checkSqlCodes(final Collection<String> codes1, final Collection<String> codes2) {
        if (codes1 != null && codes2 != null) {
            final Set<String> test = new HashSet<>(codes1);
            test.retainAll(codes2);
            if (!test.isEmpty()) {
                throw new IllegalArgumentException(test + " cannot be in both disconnectionSqlCodes and disconnectionIgnoreSqlCodes.");
            }
        }
    }

    /**
     * Clones the given char[] if not null.