1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.setupwizardlib.items;
18
19import android.content.Context;
20
21/**
22 * Inflate {@link Item} hierarchies from XML files.
23 */
24public class ItemInflater extends ReflectionInflater<ItemHierarchy> {
25
26    public interface ItemParent {
27        void addChild(ItemHierarchy child);
28    }
29
30    public ItemInflater(Context context) {
31        super(context);
32        setDefaultPackage(Item.class.getPackage().getName() + ".");
33    }
34
35    @Override
36    protected void onAddChildItem(ItemHierarchy parent, ItemHierarchy child) {
37        if (parent instanceof ItemParent) {
38            ((ItemParent) parent).addChild(child);
39        } else {
40            throw new IllegalArgumentException("Cannot add child item to " + parent);
41        }
42    }
43}
44