public Object resolve()

in src/main/java/org/apache/commons/configuration2/interpol/ConfigurationInterpolator.java [677:704]

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

    public Object resolve(final String var) {
        if (var == null) {
            return null;
        }

        final int prefixPos = var.indexOf(PREFIX_SEPARATOR);
        if (prefixPos >= 0) {
            final String prefix = var.substring(0, prefixPos);
            final String name = var.substring(prefixPos + 1);
            final Object value = fetchLookupForPrefix(prefix).lookup(name);
            if (value != null) {
                return value;
            }
        }

        for (final Lookup lookup : defaultLookups) {
            final Object value = lookup.lookup(var);
            if (value != null) {
                return value;
            }
        }

        final ConfigurationInterpolator parent = getParentInterpolator();
        if (parent != null) {
            return getParentInterpolator().resolve(var);
        }
        return null;
    }