43 lines
1.6 KiB
Java
43 lines
1.6 KiB
Java
// SPDX-FileCopyrightText: 2018 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.util.selection.keyring;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import javax.annotation.Nonnull;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
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import org.pgpainless.util.MultiMap;
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/**
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* Abstract {@link KeyRingSelectionStrategy} for {@link PGPSecretKeyRing PGPSecretKeyRings}.
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*
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* @param <O> Type of identifier
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*/
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public abstract class SecretKeyRingSelectionStrategy<O> implements KeyRingSelectionStrategy<PGPSecretKeyRing, PGPSecretKeyRingCollection, O> {
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@Override
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public Set<PGPSecretKeyRing> selectKeyRingsFromCollection(O identifier, @Nonnull PGPSecretKeyRingCollection keyRingCollection) {
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Set<PGPSecretKeyRing> accepted = new HashSet<>();
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for (Iterator<PGPSecretKeyRing> i = keyRingCollection.getKeyRings(); i.hasNext(); ) {
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PGPSecretKeyRing ring = i.next();
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if (accept(identifier, ring)) accepted.add(ring);
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}
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return accepted;
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}
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@Override
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public MultiMap<O, PGPSecretKeyRing> selectKeyRingsFromCollections(@Nonnull MultiMap<O, PGPSecretKeyRingCollection> keyRingCollections) {
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MultiMap<O, PGPSecretKeyRing> keyRings = new MultiMap<>();
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for (O identifier : keyRingCollections.keySet()) {
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for (PGPSecretKeyRingCollection collection : keyRingCollections.get(identifier)) {
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keyRings.put(identifier, selectKeyRingsFromCollection(identifier, collection));
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}
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}
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return keyRings;
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}
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}
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