private String internalGetUserId()

in src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java [460:495]
29 lines of code
8 McCabe index (conditional complexity)

    private String internalGetUserId(final String serviceName, final String subServiceName) {
        log.debug(
                "internalGetUserId: {} active mappings, looking for mapping for {}/{}",
                new Object[] { this.activeMappings.length, serviceName, subServiceName });

        for (final Mapping mapping : this.activeMappings) {
            final String userId = mapping.map(serviceName, subServiceName);
            if (userId != null) {
                log.debug("Got userId [{}] from {}/{}", new Object[] { userId, serviceName, subServiceName });
                return userId;
            }
        }

        // second round without serviceInfo
        log.debug(
                "internalGetUserId: {} active mappings, looking for mapping for {}/<no subServiceName>",
                this.activeMappings.length, serviceName);

        for (Mapping mapping : this.activeMappings) {
            final String userId = mapping.map(serviceName, null);
            if (userId != null) {
                log.debug("Got userId [{}] from {}/<no subServiceName>", userId, serviceName);
                return userId;
            }
        }

        // use default mapping if configured and no default user
        if (this.useDefaultMapping && this.defaultUser == null) {
            final String userName = "serviceuser--" + serviceName + (subServiceName == null ? "" : "--" + subServiceName);
            log.debug("internalGetUserId: no mapping found, using default mapping [{}]", userName);
            return userName;

        }
        log.debug("internalGetUserId: no mapping found, fallback to default user [{}]", this.defaultUser);
        return this.defaultUser;
    }