public synchronized String lookup()

in src/main/java/org/apache/commons/text/lookup/ConstantStringLookup.java [108:133]

• 25 lines of code
• 6 McCabe index (conditional complexity)

    public synchronized String lookup(final String key) {
        if (key == null) {
            return null;
        }
        String result;
        result = CONSTANT_CACHE.get(key);
        if (result != null) {
            return result;
        }
        final int fieldPos = key.lastIndexOf(FIELD_SEPARATOR);
        if (fieldPos < 0) {
            return null;
        }
        try {
            final Object value = resolveField(key.substring(0, fieldPos), key.substring(fieldPos + 1));
            if (value != null) {
                final String string = Objects.toString(value, null);
                CONSTANT_CACHE.put(key, string);
                result = string;
            }
        } catch (final Exception ex) {
            // TODO it would be nice to log
            return null;
        }
        return result;
    }