| /* |
| * 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.statementservice.retriever; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Match assets that have the same 'package_name' field and have at least one common certificate |
| * fingerprint in 'sha256_cert_fingerprints' field. |
| */ |
| /* package private */ final class AndroidAppAssetMatcher extends AbstractAssetMatcher { |
| |
| private final AndroidAppAsset mQuery; |
| |
| public AndroidAppAssetMatcher(AndroidAppAsset query) { |
| mQuery = query; |
| } |
| |
| @Override |
| public boolean matches(AbstractAsset asset) { |
| if (asset instanceof AndroidAppAsset) { |
| AndroidAppAsset androidAppAsset = (AndroidAppAsset) asset; |
| if (!androidAppAsset.getPackageName().equals(mQuery.getPackageName())) { |
| return false; |
| } |
| |
| Set<String> certs = new HashSet<String>(mQuery.getCertFingerprints()); |
| for (String cert : androidAppAsset.getCertFingerprints()) { |
| if (certs.contains(cert)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int getMatchedLookupKey() { |
| return mQuery.lookupKey(); |
| } |
| } |