trivialdrivesample/util/Inventory.java

/* Copyright (c) 2012 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.example.android.trivialdrivesample.util;

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}.
 */
public class Inventory {
    Map<String,SkuDetails> mSkuMap = new HashMap<String,SkuDetails>();
    Map<String,Purchase> mPurchaseMap = new HashMap<String,Purchase>();

    Inventory() { }

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

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

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

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

    /**
     * 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(String sku) {
        if (mPurchaseMap.containsKey(sku)) mPurchaseMap.remove(sku);
    }

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

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

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

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

    void addPurchase(Purchase p) {
        mPurchaseMap.put(p.getSku(), p);
    }
}
1	/* Copyright (c) 2012 Google Inc.
2	*
3	* Licensed under the Apache License, Version 2.0 (the "License");
4	* you may not use this file except in compliance with the License.
5	* You may obtain a copy of the License at
6	*
7	* http://www.apache.org/licenses/LICENSE-2.0
8	*
9	* Unless required by applicable law or agreed to in writing, software
10	* distributed under the License is distributed on an "AS IS" BASIS,
11	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12	* See the License for the specific language governing permissions and
13	* limitations under the License.
14	*/
15
16	package com.example.android.trivialdrivesample.util;
17
18	import java.util.ArrayList;
19	import java.util.HashMap;
20	import java.util.List;
21	import java.util.Map;
22
23	/**
24	* Represents a block of information about in-app items.
25	* An Inventory is returned by such methods as {@link IabHelper#queryInventory}.
26	*/
27	public class Inventory {
28	Map<String,SkuDetails> mSkuMap = new HashMap<String,SkuDetails>();
29	Map<String,Purchase> mPurchaseMap = new HashMap<String,Purchase>();
30
31	Inventory() { }
32
33	/** Returns the listing details for an in-app product. */
34	public SkuDetails getSkuDetails(String sku) {
35	return mSkuMap.get(sku);
36	}
37
38	/** Returns purchase information for a given product, or null if there is no purchase. */
39	public Purchase getPurchase(String sku) {
40	return mPurchaseMap.get(sku);
41	}
42
43	/** Returns whether or not there exists a purchase of the given product. */
44	public boolean hasPurchase(String sku) {
45	return mPurchaseMap.containsKey(sku);
46	}
47
48	/** Return whether or not details about the given product are available. */
49	public boolean hasDetails(String sku) {
50	return mSkuMap.containsKey(sku);
51	}
52
53	/**
54	* Erase a purchase (locally) from the inventory, given its product ID. This just
55	* modifies the Inventory object locally and has no effect on the server! This is
56	* useful when you have an existing Inventory object which you know to be up to date,
57	* and you have just consumed an item successfully, which means that erasing its
58	* purchase data from the Inventory you already have is quicker than querying for
59	* a new Inventory.
60	*/
61	public void erasePurchase(String sku) {
62	if (mPurchaseMap.containsKey(sku)) mPurchaseMap.remove(sku);
63	}
64
65	/** Returns a list of all owned product IDs. */
66	List<String> getAllOwnedSkus() {
67	return new ArrayList<String>(mPurchaseMap.keySet());
68	}
69
70	/** Returns a list of all owned product IDs of a given type */
71	List<String> getAllOwnedSkus(String itemType) {
72	List<String> result = new ArrayList<String>();
73	for (Purchase p : mPurchaseMap.values()) {
74	if (p.getItemType().equals(itemType)) result.add(p.getSku());
75	}
76	return result;
77	}
78
79	/** Returns a list of all purchases. */
80	List<Purchase> getAllPurchases() {
81	return new ArrayList<Purchase>(mPurchaseMap.values());
82	}
83
84	void addSkuDetails(SkuDetails d) {
85	mSkuMap.put(d.getSku(), d);
86	}
87
88	void addPurchase(Purchase p) {
89	mPurchaseMap.put(p.getSku(), p);
90	}
91	}