private SslConfiguration parseSsl()

in core/src/main/java/org/apache/ftpserver/config/spring/ListenerBeanDefinitionParser.java [147:228]
67 lines of code
13 McCabe index (conditional complexity)

    private SslConfiguration parseSsl(final Element parent) {
        Element sslElm = SpringUtil.getChildElement(parent,
                FtpServerNamespaceHandler.FTPSERVER_NS, "ssl");

        if (sslElm != null) {
            SslConfigurationFactory ssl = new SslConfigurationFactory();

            Element keyStoreElm = SpringUtil.getChildElement(sslElm,
                    FtpServerNamespaceHandler.FTPSERVER_NS, "keystore");
            if (keyStoreElm != null) {
                ssl.setKeystoreFile(SpringUtil.parseFile(keyStoreElm, "file"));
                ssl.setKeystorePassword(SpringUtil.parseString(keyStoreElm,
                        "password"));

                String type = SpringUtil.parseString(keyStoreElm, "type");
                if (type != null) {
                    ssl.setKeystoreType(type);
                }

                String keyAlias = SpringUtil.parseString(keyStoreElm,
                        "key-alias");
                if (keyAlias != null) {
                    ssl.setKeyAlias(keyAlias);
                }

                String keyPassword = SpringUtil.parseString(keyStoreElm,
                        "key-password");
                if (keyPassword != null) {
                    ssl.setKeyPassword(keyPassword);
                }

                String algorithm = SpringUtil.parseString(keyStoreElm,
                        "algorithm");
                if (algorithm != null) {
                    ssl.setKeystoreAlgorithm(algorithm);
                }
            }

            Element trustStoreElm = SpringUtil.getChildElement(sslElm,
                    FtpServerNamespaceHandler.FTPSERVER_NS, "truststore");
            if (trustStoreElm != null) {
                ssl.setTruststoreFile(SpringUtil.parseFile(trustStoreElm,
                        "file"));
                ssl.setTruststorePassword(SpringUtil.parseString(trustStoreElm,
                        "password"));

                String type = SpringUtil.parseString(trustStoreElm, "type");
                if (type != null) {
                    ssl.setTruststoreType(type);
                }

                String algorithm = SpringUtil.parseString(trustStoreElm,
                        "algorithm");
                if (algorithm != null) {
                    ssl.setTruststoreAlgorithm(algorithm);
                }
            }

            String clientAuthStr = SpringUtil.parseString(sslElm,
                    "client-authentication");
            if (clientAuthStr != null) {
                ssl.setClientAuthentication(clientAuthStr);
            }

            String enabledCiphersuites = SpringUtil.parseString(sslElm,
                    "enabled-ciphersuites");
            if (enabledCiphersuites != null) {
                ssl.setEnabledCipherSuites(enabledCiphersuites.split(" "));
            }

            String protocol = SpringUtil.parseString(sslElm, "protocol");
            
            if (protocol != null) {
                ssl.setSslProtocol(protocol);
            }

            return ssl.createSslConfiguration();
        } else {
            return null;
        }

    }