Java tutorial
/* * Copyright (c) 2012 Ronny Rhricht * * This file is part of Moloko. * * Moloko is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Moloko is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Moloko. If not, see <http://www.gnu.org/licenses/>. * * Contributors: * Ronny Rhricht - implementation */ package dev.drsoran.moloko.fragments.factories; import java.util.Iterator; import java.util.List; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.support.v4.app.Fragment; import dev.drsoran.moloko.MolokoApp; abstract class AbstractIntentFragmentFactory { protected AbstractIntentFragmentFactory() { throw new AssertionError(); } protected final static Fragment resolveIntentToFragment(Context context, Intent intent, List<Class<? extends Fragment>> fragmentClasses) { Fragment fragment = null; try { for (Iterator<Class<? extends Fragment>> i = fragmentClasses.iterator(); i.hasNext() && fragment == null;) { final Class<? extends Fragment> entry = i.next(); final IntentFilter filter = (IntentFilter) entry.getMethod("getIntentFilter").invoke(null); if (filter.matchAction(intent.getAction()) && filter.matchData(intent.resolveType(context), intent.getScheme(), intent.getData()) > 0) { fragment = DefaultFragmentFactory.create(context, entry, intent.getExtras()); } } } catch (Throwable e) { MolokoApp.Log.e(AbstractIntentFragmentFactory.class, "Unable to instantiate new fragment by Intent " + intent, e); } return fragment; } }