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 
17 package com.android.setupwizardlib.items;
18 
19 import android.content.Context;
20 
21 /** Inflate {@link Item} hierarchies from XML files. */
22 public class ItemInflater extends ReflectionInflater<ItemHierarchy> {
23 
24   public interface ItemParent {
addChild(ItemHierarchy child)25     void addChild(ItemHierarchy child);
26   }
27 
ItemInflater(Context context)28   public ItemInflater(Context context) {
29     super(context);
30     setDefaultPackage(Item.class.getPackage().getName() + ".");
31   }
32 
33   @Override
onAddChildItem(ItemHierarchy parent, ItemHierarchy child)34   protected void onAddChildItem(ItemHierarchy parent, ItemHierarchy child) {
35     if (parent instanceof ItemParent) {
36       ((ItemParent) parent).addChild(child);
37     } else {
38       throw new IllegalArgumentException("Cannot add child item to " + parent);
39     }
40   }
41 }
42