OAuthConnectUrlRequest.java

package com.braintreegateway;

import java.util.HashMap;
import java.util.Map;

public class OAuthConnectUrlRequest extends Request {

    private String merchantId;
    private String scope;
    private String clientId;
    private String state;
    private String redirectUri;
    private String landingPage;
    private String[] paymentMethods = new String[0];

    private OAuthConnectUrlUserRequest user;
    private OAuthConnectUrlBusinessRequest business;

    public OAuthConnectUrlRequest merchantId(String merchantId) {
        this.merchantId = merchantId;
        return this;
    }

    public OAuthConnectUrlRequest scope(String scope) {
        this.scope = scope;
        return this;
    }

    public OAuthConnectUrlRequest clientId(String clientId) {
        this.clientId = clientId;
        return this;
    }

    public OAuthConnectUrlRequest state(String state) {
        this.state = state;
        return this;
    }

    public OAuthConnectUrlRequest landingPage(String landingPage) {
        this.landingPage = landingPage;
        return this;
    }

    public OAuthConnectUrlRequest redirectUri(String redirectUri) {
        this.redirectUri = redirectUri;
        return this;
    }

    public OAuthConnectUrlRequest paymentMethods(String[] paymentMethods) {
        this.paymentMethods = paymentMethods;
        return this;
    }

    public OAuthConnectUrlUserRequest user() {
        user = new OAuthConnectUrlUserRequest(this);
        return this.user;
    }

    public OAuthConnectUrlBusinessRequest business() {
        business = new OAuthConnectUrlBusinessRequest(this);
        return this.business;
    }

    @Override
    public String toQueryString() {
        RequestBuilder builder = new RequestBuilder("").
            addTopLevelElement("merchantId", merchantId).
            addTopLevelElement("scope", scope).
            addTopLevelElement("clientId", clientId).
            addTopLevelElement("state", state).
            addTopLevelElement("redirectUri", redirectUri).
            addTopLevelElement("landingPage", landingPage);

            for (String paymentMethod : paymentMethods) {
                builder.addTopLevelElement("payment_methods[]", paymentMethod);
            }

            builder.addElement("user", user).
            addElement("business", business);

        return builder.toQueryString();
    }
}