package com.external.activeandroid.util;
/*
* Copyright (C) 2010 Michael Pardo
*
* 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.
*/
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import com.external.activeandroid.Model;
import com.external.activeandroid.serializer.TypeSerializer;
public final class ReflectionUtils {
//////////////////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////////////////
public static boolean isModel(Class<?> type) {
return isSubclassOf(type, Model.class);
}
public static boolean isTypeSerializer(Class<?> type) {
return isSubclassOf(type, TypeSerializer.class);
}
// Meta-data
@SuppressWarnings("unchecked")
public static <T> T getMetaData(Context context, String name) {
try {
final ApplicationInfo ai = context.getPackageManager().getApplicationInfo(context.getPackageName(),
PackageManager.GET_META_DATA);
if (ai.metaData != null) {
return (T) ai.metaData.get(name);
}
}
catch (Exception e) {
Log.w("Couldn't find meta-data: " + name);
}
return null;
}
//////////////////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////////////////
public static boolean isSubclassOf(Class<?> type, Class<?> superClass) {
if (type.getSuperclass() != null) {
if (type.getSuperclass().equals(superClass)) {
return true;
}
return isSubclassOf(type.getSuperclass(), superClass);
}
return false;
}
}