Home | History | Annotate | Download | only in items
      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 /**
     22  * Inflate {@link Item} hierarchies from XML files.
     23  */
     24 public 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