com.google.paymentexpress.jwt.FullWalletRequest.java Source code

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Here is the source code for com.google.paymentexpress.jwt.FullWalletRequest.java

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/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.paymentexpress.jwt;

import java.security.InvalidKeyException;
import java.security.SignatureException;
import java.util.HashMap;

import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.google.paymentexpress.jwt.util.GsonHelper;

/**
 * Full Wallet Request Java object representation
 * https://devsite.googleplex.com/payment-express/api-reference#jwt-requests-and-responses
 * 
 * @author pying(peng ying)
 *
 */
public class FullWalletRequest implements JWTInterface {

    private final String aud = "Google";
    private final String typ = "google/paymentexpress/v1/full/request";

    private String iss;
    private String merchantSecret;

    private Long iat;
    private Long exp;

    private String transaction_id;
    private String transaction_url;
    private String google_transaction_id;
    private String origin;

    private Cart cart;

    /**
     * Constructor that takes Merchant Id and Secret as parameters
     * 
     * @param iss Merchant Id to be used as issuer
     * @param merchantSecret Merchant Secret
     */
    public FullWalletRequest(String iss, String merchantSecret) {
        this.iss = iss;
        this.merchantSecret = merchantSecret;
    }

    /**
     * Constructor that takes Merchant Id, Secret, items sold and Google Transaction Id
     * @param iss Merchant Id to be used as issuer
     * @param merchantSecret Merchant Secret
     * @param cart cart of items purchased
     * @param google_id Google Transaction Id
     */
    public FullWalletRequest(String iss, String merchantSecret, Cart cart, String google_id) {
        this(iss, merchantSecret);
        this.cart = cart;
        this.google_transaction_id = google_id;
    }

    /**
     * Getter for Transaction Id
     * 
     * @return transaction id
     */
    public String getTransaction_id() {
        return transaction_id;
    }

    /**
     * Setter for Transaction Id
     * 
     * @param transaction_id Transaction Id
     */
    public void setTransaction_id(String transaction_id) {
        this.transaction_id = transaction_id;
    }

    /**
     * Getter for expiration time
     * 
     * @return expiration time
     */
    public Long getExp() {
        return exp;
    }

    /**
     * Setter for expiration time
     * 
     * @param exp time for expiration of purchase
     */
    public void setExp(Long exp) {
        this.exp = exp;
    }

    /**
     * Getter for issued at time
     * 
     * @return issued at time
     */
    public Long getIat() {
        return iat;
    }

    /**
     * Setter for issued at time
     * 
     * @param iat issued at time
     */
    public void setIat(Long iat) {
        this.iat = iat;
    }

    /**
     * Getter for transaction URL which will be used to define a URL for customers
     * to review receipts
     * 
     * @return transaction URL
     */
    public String getTransaction_url() {
        return transaction_url;
    }

    /**
     * Setter for transaction URL which will be used to define a URL for customers
     * to review receipts
     * 
     * @param transaction_url transaction URL
     */
    public void setTransaction_url(String transaction_url) {
        this.transaction_url = transaction_url;
    }

    /**
     * Getter for issuer
     * 
     * @return issuer
     */
    public String getIssuer() {
        return iss;
    }

    /**
     * Getter for origin
     * 
     * @return origin url
     */
    public String getOrigin() {
        return origin;
    }

    /**
     * Setter for origin
     * 
     * @param origin origin url
     */
    public void setOrigin(String origin) {
        this.origin = origin;
    }

    /**
     * Getter for audience
     * 
     * @return JWT audience
     */
    public String getAudience() {
        return aud;
    }

    /**
     * Getter for type
     * 
     * @return JWT type
     */
    public String getType() {
        return typ;
    }

    /**
     * Getter for Cart
     * 
     * @return cart of items
     */
    public Cart getCart() {
        return cart;
    }

    /**
     * Setter for Cart
     * 
     * @param cart Cart of items
     */
    public void setCart(Cart cart) {
        this.cart = cart;
    }

    /**
     * Converts Object to HashMap to add in JWT payload
     * 
     * @return HashMap of JWT content
     */
    public HashMap<String, JsonElement> getContent() {
        Gson gson = GsonHelper.getGson();
        JsonObject obj = gson.toJsonTree(getCart()).getAsJsonObject();

        HashMap<String, JsonElement> content = new HashMap<String, JsonElement>();
        content.put("origin", new JsonPrimitive(getOrigin()));
        content.put("cart", obj);
        if (getTransaction_id() != null)
            content.put("transaction_id", new JsonPrimitive(getTransaction_id()));
        if (getTransaction_url() != null)
            content.put("transaction_url", new JsonPrimitive(getTransaction_url()));
        content.put("google_transaction_id", new JsonPrimitive(getGoogle_transaction_id()));
        return content;
    }

    /**
     * Generate the JSON web token String from the defined values.
     * 
     * @return JWT String
     */
    public String generateJWT() {
        String jwt = null;
        try {
            jwt = JWTGenerator.generate(this);
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        } catch (SignatureException e) {
            e.printStackTrace();
        }
        return jwt;
    }

    /**
     * Getter for Transaction Id
     * 
     * @return transaction id
     */
    public String getGoogle_transaction_id() {
        return google_transaction_id;
    }

    /**
     * Setter for Transaction Id
     * 
     * @param transaction_id Transaction Id
     */
    public void setGoogle_transaction_id(String google_transaction_id) {
        this.google_transaction_id = google_transaction_id;
    }

    /**
     * Getter for Merchant Secret
     * 
     * @return Merchant Secret
     */
    public String getMerchantSecret() {
        return merchantSecret;
    }

    /**
     * Setter for Merchant Secret
     * 
     * @param merchantSecret Merchant Secret
     */
    public void setMerchantSecret(String merchantSecret) {
        this.merchantSecret = merchantSecret;
    }
}