MapBasedPassphraseProvider.java
// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
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);
}
}