/* * Copyright 2015-present Facebook, Inc. * * 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.facebook.buck.apple; import com.dd.plist.NSDictionary; import com.dd.plist.NSObject; import com.dd.plist.PropertyListParser; import java.io.BufferedInputStream; import java.io.IOException; import java.io.InputStream; import java.util.Optional; /** Utility class to parse Info.plist from an Apple bundle. */ public class AppleInfoPlistParsing { // Utility class, do not instantiate. private AppleInfoPlistParsing() {} /** Extracts the bundle ID (CFBundleIdentifier) from an Info.plist, returning it if present. */ public static Optional<String> getBundleIdFromPlistStream(InputStream inputStream) throws IOException { NSDictionary infoPlist; try (BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream)) { try { infoPlist = (NSDictionary) PropertyListParser.parse(bufferedInputStream); } catch (Exception e) { throw new IOException(e); } } NSObject bundleId = infoPlist.objectForKey("CFBundleIdentifier"); if (bundleId == null) { return Optional.empty(); } else { return Optional.of(bundleId.toString()); } } }