| /* |
| * Copyright (C) 2021 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.queryable.queries; |
| |
| import android.os.PersistableBundle; |
| |
| import com.android.queryable.Queryable; |
| import com.android.queryable.util.SerializableParcelWrapper; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** Implementation of {@link PersistableBundleQuery}. */ |
| public final class PersistableBundleQueryHelper<E extends Queryable> |
| implements PersistableBundleQuery<E>, Serializable { |
| |
| private final E mQuery; |
| private final Map<String, PersistableBundleKeyQueryHelper<E>> mKeyQueryHelpers = |
| new HashMap<>(); |
| |
| PersistableBundleQueryHelper() { |
| mQuery = (E) this; |
| } |
| |
| public PersistableBundleQueryHelper(E query) { |
| mQuery = query; |
| } |
| |
| @Override |
| public PersistableBundleKeyQuery<E> key(String key) { |
| if (!mKeyQueryHelpers.containsKey(key)) { |
| mKeyQueryHelpers.put(key, new PersistableBundleKeyQueryHelper<>(mQuery)); |
| } |
| return mKeyQueryHelpers.get(key); |
| } |
| |
| @Override |
| public boolean matches(PersistableBundle value) { |
| for (Map.Entry<String, PersistableBundleKeyQueryHelper<E>> keyQueries : |
| mKeyQueryHelpers.entrySet()) { |
| if (!keyQueries.getValue().matches(value, keyQueries.getKey())) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| public boolean matches(SerializableParcelWrapper<PersistableBundle> serializableBundle) { |
| if ((serializableBundle == null || serializableBundle.get() == null)) { |
| if (mKeyQueryHelpers.isEmpty()) { |
| return true; |
| } |
| return false; |
| } |
| |
| return matches(serializableBundle.get()); |
| } |
| |
| @Override |
| public String describeQuery(String fieldName) { |
| List<String> queryStrings = new ArrayList<>(); |
| for (Map.Entry<String, PersistableBundleKeyQueryHelper<E>> query : |
| mKeyQueryHelpers.entrySet()) { |
| queryStrings.add(query.getValue().describeQuery(fieldName + "." + query.getKey())); |
| } |
| |
| return Queryable.joinQueryStrings(queryStrings); |
| } |
| } |