protected void confirmLicenseAcceptance()

in flex-maven-tools/flex-sdk-converter/retrievers/download/src/main/java/org/apache/flex/utilities/converter/retrievers/download/DownloadRetriever.java [446:506]
55 lines of code
16 McCabe index (conditional complexity)

    protected void confirmLicenseAcceptance(SdkType type) throws RetrieverException {
        final Properties questionProps = new Properties();
        try {
            questionProps.load(DownloadRetriever.class.getClassLoader().getResourceAsStream("message.properties"));
        } catch (IOException e) {
            throw new RetrieverException("Error reading message.properties file", e);
        }

        String property = "com.adobe.systemIdsForWhichTheTermsOfTheAdobeLicenseAgreementAreAccepted";

        // Implement the accepting the license by providing a system-id as system-property.
        // Check a java property first ...
        String acceptedSystemIds = System.getProperty(property);
        // Check an environment variable second ...
        if(acceptedSystemIds == null) {
            acceptedSystemIds = System.getenv("com.adobe.systemIdsForWhichTheTermsOfTheAdobeLicenseAgreementAreAccepted");
        }
        if(acceptedSystemIds != null) {
            String systemId = SystemIdHelper.getSystemId();
            if(systemId != null) {
                for (String acceptedSystemId : acceptedSystemIds.split(",")) {
                    if (systemId.equals(acceptedSystemId)) {
                        System.out.println(questionProps.getProperty("ACCEPTED_USING_SYSTEM_ID"));
                        return;
                    }
                }
            }
        }

        final String question;
        if(type.equals(SdkType.FLASH)) {
            question = questionProps.getProperty("ASK_ADOBE_FLASH_PLAYER_GLOBAL_SWC");
        } else if(type.equals(SdkType.AIR)) {
            question = questionProps.getProperty("ASK_ADOBE_AIR_SDK");
        } else if(type.equals(SdkType.FONTKIT)) {
            question = questionProps.getProperty("ASK_ADOBE_FONTKIT");
        } else {
            throw new RetrieverException("Unknown SdkType");
        }
        final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        try {
            while (true) {
                System.out.println(
                        MessageFormat.format(questionProps.getProperty("SYSTEM_ID"), SystemIdHelper.getSystemId()));
                System.out.println(question);
                System.out.println(MessageFormat.format(questionProps.getProperty("ACCEPT_USING_SYSTEM_ID"),
                        property, SystemIdHelper.getSystemId()));
                System.out.print(questionProps.getProperty("DO_YOU_ACCEPT_QUESTION") + " ");
                final String answer = reader.readLine();
                if ("YES".equalsIgnoreCase(answer) || "Y".equalsIgnoreCase(answer)) {
                    return;
                }
                if ("NO".equalsIgnoreCase(answer) || "N".equalsIgnoreCase(answer)) {
                    System.out.println("You have to accept the license agreement in order to proceed.");
                    throw new RetrieverException("You have to accept the license agreement in order to proceed.");
                }
            }
        } catch(IOException e) {
            throw new RetrieverException("Couldn't read from Stdin.");
        }
    }