pgpainless/pgpainless-core/src/main/java/org/pgpainless/key/protection/passphrase_provider/MapBasedPassphraseProvider....

54 lines
1.6 KiB
Java

/*
* Copyright 2020 Paul Schaub.
*
* 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 org.pgpainless.key.protection.passphrase_provider;
import java.util.Map;
import javax.annotation.Nullable;
import org.pgpainless.util.Passphrase;
/**
* Implementation of the {@link SecretKeyPassphraseProvider} that holds a map of different {@link Passphrase passphrases}.
* It will return the right passphrase depending on the key-id.
*
* Note: This provider might return null!
* TODO: Make this null-safe and throw an exception instead?
*/
public class MapBasedPassphraseProvider implements SecretKeyPassphraseProvider {
private final Map<Long, Passphrase> map;
/**
* Create a new map based passphrase provider.
*
* @param passphraseMap map of key-ids and passphrases
*/
public MapBasedPassphraseProvider(Map<Long, Passphrase> passphraseMap) {
this.map = passphraseMap;
}
@Nullable
@Override
public Passphrase getPassphraseFor(Long keyId) {
return map.get(keyId);
}
@Override
public boolean hasPassphrase(Long keyId) {
return map.containsKey(keyId);
}
}