public Class findClass()

in runner-starter/src/main/java/org/apache/apisix/plugin/runner/DynamicClassLoader.java [41:74]

31 lines of code
5 McCabe index (conditional complexity)


    public Class<?> findClass(String name) throws ClassNotFoundException {
        if (this.name == null) {
            return super.findClass(name);
        }

        // can we do replacements for windows only?
        String packagePath = packageName.replaceAll("\\.", "/");
        String classPath = "file:" + classDir + "/" + packagePath + "/" + this.name + ".class";

        URL url;
        URLConnection connection;
        try {
            url = new URL(classPath);
            connection = url.openConnection();
        } catch (IOException e) {
            logger.error("failed to open class file: {}", classPath, e);
            throw new RuntimeException(e);
        }
        try (InputStream input = connection.getInputStream();
             ByteArrayOutputStream buffer = new ByteArrayOutputStream()) {
            int data = input.read();
            while (data != -1) {
                buffer.write(data);
                data = input.read();
            }
            input.close();
            byte[] classData = buffer.toByteArray();
            String fullyQualifiedName = packageName + "." + name;
            return defineClass(fullyQualifiedName, classData, 0, classData.length);
        } catch (IOException e) {
            logger.error("failed to read class file: {}", classPath, e);
            throw new RuntimeException(e);
        }
    }