private void initSerializerFiles()

in hessian-lite/src/main/java/com/alibaba/com/caucho/hessian/io/ContextSerializerFactory.java [413:479]
52 lines of code
11 McCabe index (conditional complexity)

    private void initSerializerFiles(String fileName,
                                     HashSet<String> fileList,
                                     HashMap<Class, Class> classMap,
                                     Class type) {
        try {
            ClassLoader classLoader = getClassLoader();

            // on systems with the security manager enabled, the system classloader
            // is null
            if (classLoader == null)
                return;

            Enumeration iter;

            iter = classLoader.getResources(fileName);
            while (iter.hasMoreElements()) {
                URL url = (URL) iter.nextElement();

                if (fileList.contains(url.toString()))
                    continue;

                fileList.add(url.toString());

                InputStream is = null;
                try {
                    is = url.openStream();

                    Properties props = new Properties();
                    props.load(is);

                    for (Map.Entry entry : props.entrySet()) {
                        String apiName = (String) entry.getKey();
                        String serializerName = (String) entry.getValue();

                        Class apiClass = null;
                        Class serializerClass = null;

                        try {
                            apiClass = Class.forName(apiName, false, classLoader);
                        } catch (ClassNotFoundException e) {
                            log.fine(url + ": " + apiName + " is not available in this context: " + getClassLoader());
                            continue;
                        }

                        try {
                            serializerClass = Class.forName(serializerName, false, classLoader);
                        } catch (ClassNotFoundException e) {
                            log.fine(url + ": " + serializerName + " is not available in this context: " + getClassLoader());
                            continue;
                        }

                        if (!type.isAssignableFrom(serializerClass))
                            throw new HessianException(url + ": " + serializerClass.getName() + " is invalid because it does not implement " + type.getName());

                        classMap.put(apiClass, serializerClass);
                    }
                } finally {
                    if (is != null)
                        is.close();
                }
            }
        } catch (RuntimeException e) {
            throw e;
        } catch (Exception e) {
            throw new HessianException(e);
        }
    }