com.r573.enfili.common.resource.external.appstore.AppStoreManager.java Source code

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Here is the source code for com.r573.enfili.common.resource.external.appstore.AppStoreManager.java

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/*
 * Enfili
 * Project hosted at https://github.com/ryanhosp/enfili/
 * Copyright 2013 Ho Siaw Ping Ryan
 *    
 * 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.r573.enfili.common.resource.external.appstore;

import org.apache.commons.codec.binary.Base64;

import com.r573.enfili.common.resource.rest.ResponseWrapper;
import com.r573.enfili.common.resource.rest.RestClient;
import com.r573.enfili.common.singleton.SingletonManager;

public class AppStoreManager {
    private static final String ITUNES_API_BASEURL = "https://buy.itunes.apple.com";
    private static final String ITUNES_API_SANDBOX_BASEURL = "https://sandbox.itunes.apple.com";
    private static SingletonManager<AppStoreManager> singletonManager = new SingletonManager<AppStoreManager>();

    public static void init(boolean useSandbox) {
        singletonManager.addInstance(null, new AppStoreManager(useSandbox));
    }

    public static AppStoreManager getInstance() {
        AppStoreManager instance = singletonManager.getDefaultInstance();
        return instance;
    }

    private boolean useSandbox;

    private AppStoreManager(boolean useSandbox) {
        this.useSandbox = useSandbox;
    }

    public VerifyReceiptResponse verifyReceipt(String receiptId) throws AppStoreException {
        try {
            String receiptEncoded = Base64.encodeBase64String(receiptId.getBytes("UTF-8"));
            String urlToUse = ITUNES_API_BASEURL;
            if (useSandbox) {
                urlToUse = ITUNES_API_SANDBOX_BASEURL;
            }
            RestClient restClient = new RestClient(urlToUse);
            VerifyReceiptRequest request = new VerifyReceiptRequest();
            request.setReceiptData(receiptEncoded);
            ResponseWrapper<VerifyReceiptResponse> result = restClient.post("/verifyReceipt", request,
                    VerifyReceiptResponse.class);
            return result.getResponse();
        } catch (Exception e) {
            throw new AppStoreException("Unable to verify receipt with AppStore", e);
        }
    }

    public boolean isUseSandbox() {
        return useSandbox;
    }

    public void setUseSandbox(boolean useSandbox) {
        this.useSandbox = useSandbox;
    }
}