protected String doInputValidate()

in PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-hdinsight-lib/src/main/java/com/microsoft/azure/hdinsight/serverexplore/ui/AddNewClusterForm.java [390:433]

42 lines of code
16 McCabe index (conditional complexity)


    protected String doInputValidate() {
        switch (getSparkClusterType()) {
            case HDINSIGHT_CLUSTER:
                if (isBlank(clusterNameOrUrlField.getText())) {
                    return "Cluster name can't be empty";
                } else {
                    String clusterName = getClusterName(clusterNameOrUrlField.getText());
                    if (clusterName == null) {
                        return "Cluster URL is not a valid URL";
                    } else if (ctrlProvider.doesClusterNameExistInLinkedHDInsightClusters(
                            clusterName)) {
                        return "Cluster already exists in linked clusters";
                    }
                }
                break;
            case LIVY_LINK_CLUSTER:
                if (isBlank(livyEndpointField.getText()) ||
                        isBlank(livyClusterNameField.getText())) {
                    return "Livy Endpoint and cluster name can't be empty";
                } else if (!ctrlProvider.isURLValid(livyEndpointField.getText())) {
                    return "Livy Endpoint is not a valid URL";
                } else if (ctrlProvider.doesClusterLivyEndpointExistInAllHDInsightClusters(
                        livyEndpointField.getText())) {
                    return "The same name Livy Endpoint already exists in clusters";
                } else if (ctrlProvider.doesClusterNameExistInAllHDInsightClusters(
                        livyClusterNameField.getText())) {
                    return "Cluster Name already exists in clusters";
                } else if (!isEmpty(yarnEndpointField.getText()) &&
                        !ctrlProvider.isURLValid(yarnEndpointField.getText())) {
                    return "Yarn Endpoint is not a valid URL";
                }
                break;
            default:
                break;
        }

        if (isBasicAuthSelected()) {
            if (isBlank(userNameField.getText()) || isBlank(passwordField.getText())) {
                return "Username and password can't be empty in Basic Authentication";
            }
        }

        return EMPTY;
    }