private static Properties getConfigurationFile()

in src/main/java/org/apache/commons/logging/LogFactory.java [602:659]
57 lines of code
14 McCabe index (conditional complexity)

    private static Properties getConfigurationFile(final ClassLoader classLoader, final String fileName) {
        Properties props = null;
        double priority = 0.0;
        URL propsUrl = null;
        try {
            final Enumeration<URL> urls = getResources(classLoader, fileName);
            if (urls == null) {
                return null;
            }
            while (urls.hasMoreElements()) {
                final URL url = urls.nextElement();
                final Properties newProps = getProperties(url);
                if (newProps != null) {
                    if (props == null) {
                        propsUrl = url;
                        props = newProps;
                        final String priorityStr = props.getProperty(PRIORITY_KEY);
                        priority = 0.0;
                        if (priorityStr != null) {
                            priority = Double.parseDouble(priorityStr);
                        }
                        if (isDiagnosticsEnabled()) {
                            logDiagnostic("[LOOKUP] Properties file found at '" + url + "'" + " with priority " + priority);
                        }
                    } else {
                        final String newPriorityStr = newProps.getProperty(PRIORITY_KEY);
                        double newPriority = 0.0;
                        if (newPriorityStr != null) {
                            newPriority = Double.parseDouble(newPriorityStr);
                        }
                        if (newPriority > priority) {
                            if (isDiagnosticsEnabled()) {
                                logDiagnostic("[LOOKUP] Properties file at '" + url + "'" + " with priority " + newPriority + " overrides file at '" + propsUrl
                                        + "'" + " with priority " + priority);
                            }
                            propsUrl = url;
                            props = newProps;
                            priority = newPriority;
                        } else if (isDiagnosticsEnabled()) {
                            logDiagnostic("[LOOKUP] Properties file at '" + url + "'" + " with priority " + newPriority + " does not override file at '"
                                    + propsUrl + "'" + " with priority " + priority);
                        }
                    }

                }
            }
        } catch (final SecurityException e) {
            logDiagnostic("SecurityException thrown while trying to find/read config files.");
        }
        if (isDiagnosticsEnabled()) {
            if (props == null) {
                logDiagnostic("[LOOKUP] No properties file of name '" + fileName + "' found.");
            } else {
                logDiagnostic("[LOOKUP] Properties file of name '" + fileName + "' found at '" + propsUrl + '"');
            }
        }
        return props;
    }