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Code Issues Releases Wiki Activity

Add KeyFilter class

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This commit is contained in:
Paul Schaub 2018-06-04 19:44:03 +02:00
parent ebb06494dd
commit 4d1e5dc361
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 44 additions and 0 deletions
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src/main/java/de/vanitasvitae/crypto/pgpainless/KeyFilter.java Normal file
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package de.vanitasvitae.crypto.pgpainless;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
public abstract class KeyFilter {
public Set<Long> filter(Set<Long> initialIdSet, PGPPublicKeyRingCollection collection) {
Set<PGPPublicKeyRing> rings = new HashSet<>();
for (Iterator<PGPPublicKeyRing> i = collection.getKeyRings(); i.hasNext();) {
rings.add(i.next());
}
return filter(initialIdSet, rings, false);
}
public Set<Long> filter(Set<Long> initialIdSet, Set<PGPPublicKeyRing> rings, boolean boolToAvoidSameMethodErasure) {
Set<PGPPublicKey> keys = new HashSet<>();
for (PGPPublicKeyRing ring : rings) {
for (Iterator<PGPPublicKey> i = ring.getPublicKeys(); i.hasNext();) {
keys.add(i.next());
}
}
return filter(initialIdSet, keys);
}
public Set<Long> filter(Set<Long> initialIdSet, Set<PGPPublicKey> keys) {
Set<Long> filteredIds = new HashSet<>();
for (Long id : initialIdSet) {
for (PGPPublicKey key : keys) {
if (key.getKeyID() == id && filter(key)) {
filteredIds.add(id);
}
}
}
return filteredIds;
}
public abstract boolean filter(PGPPublicKey key);
}