/*
* 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());
}
}
}