com/android/setupwizardlib/items/ItemInflater.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.setupwizardlib.items;

import android.content.Context;

/** Inflate {@link Item} hierarchies from XML files. */
public class ItemInflater extends ReflectionInflater<ItemHierarchy> {

  public interface ItemParent {
    void addChild(ItemHierarchy child);
  }

  public ItemInflater(Context context) {
    super(context);
    setDefaultPackage(Item.class.getPackage().getName() + ".");
  }

  @Override
  protected void onAddChildItem(ItemHierarchy parent, ItemHierarchy child) {
    if (parent instanceof ItemParent) {
      ((ItemParent) parent).addChild(child);
    } else {
      throw new IllegalArgumentException("Cannot add child item to " + parent);
    }
  }
}