Android Open Source - LocalStorage Inventory

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License

The source code is released under:

BSD 3-Clause License Copyright (c) 2013, Ian Lake All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following cond...

Java Source Code

/* Copyright (c) 2012 Google Inc.
 *//from www . j  a va 2s  .c  om
 * 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.ianhanniballake.localstorage.inappbilling;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Represents a block of information about in-app items. An Inventory is returned by such methods as
 * {@link IabHelper#queryInventory}.
 */
@SuppressWarnings("javadoc")
public class Inventory {
    Map<String, Purchase> mPurchaseMap = new HashMap<String, Purchase>();
    Map<String, SkuDetails> mSkuMap = new HashMap<String, SkuDetails>();

    public Inventory() {
    }

    public void addPurchase(final Purchase p) {
        mPurchaseMap.put(p.getSku(), p);
    }

    public void addSkuDetails(final SkuDetails d) {
        mSkuMap.put(d.getSku(), d);
    }

    /**
     * Returns a list of all owned product IDs of a given type
     */
    public List<String> getAllOwnedSkus(final String itemType) {
        final List<String> result = new ArrayList<String>();
        for (final Purchase p : mPurchaseMap.values())
            if (p.getItemType().equals(itemType))
                result.add(p.getSku());
        return result;
    }

    /**
     * Erase a purchase (locally) from the inventory, given its product ID. This just modifies the Inventory object
     * locally and has no effect on the server! This is useful when you have an existing Inventory object which you know
     * to be up to date, and you have just consumed an item successfully, which means that erasing its purchase data
     * from the Inventory you already have is quicker than querying for a new Inventory.
     */
    public void erasePurchase(final String sku) {
        if (mPurchaseMap.containsKey(sku))
            mPurchaseMap.remove(sku);
    }

    /**
     * Returns a list of all owned product IDs.
     */
    public List<String> getAllOwnedSkus() {
        return new ArrayList<String>(mPurchaseMap.keySet());
    }

    /**
     * Returns a list of all purchases.
     */
    public List<Purchase> getAllPurchases() {
        return new ArrayList<Purchase>(mPurchaseMap.values());
    }

    /**
     * Returns purchase information for a given product, or null if there is no purchase.
     */
    public Purchase getPurchase(final String sku) {
        return mPurchaseMap.get(sku);
    }

    /**
     * Returns the listing details for an in-app product.
     */
    public SkuDetails getSkuDetails(final String sku) {
        return mSkuMap.get(sku);
    }

    /**
     * Return whether or not details about the given product are available.
     */
    public boolean hasDetails(final String sku) {
        return mSkuMap.containsKey(sku);
    }

    /**
     * Returns whether or not there exists a purchase of the given product.
     */
    public boolean hasPurchase(final String sku) {
        return mPurchaseMap.containsKey(sku);
    }

    @Override
    public String toString() {
        return mSkuMap.toString();
    }
}

Java Source Code List

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