diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysList.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysList.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysList.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysList.java new file mode 100644 index 000000000..15bcd8576 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysList.java @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2014 Tim Bray <tbray@textuality.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +package org.sufficientlysecure.keychain.keyimport; + +import java.util.ArrayList; +import java.util.Collection; + +/** + * Just an ArrayList, only with a synchronized dupe-merging add/addAll, and a sign-off method + */ +public class ImportKeysList extends ArrayList<ImportKeysListEntry> { + + private int mSupplierCount; + + public ImportKeysList(int supplierCount) { + mSupplierCount = supplierCount; + } + + @Override + public boolean add(ImportKeysListEntry toAdd) { + addOrMerge(toAdd); + return true; // that’s what the ArrayList#add contract says + } + + @Override + public boolean addAll(Collection<? extends ImportKeysListEntry> addThese) { + boolean modified = false; + for (ImportKeysListEntry toAdd : addThese) { + modified = addOrMerge(toAdd) || modified; + } + return modified; + } + + // NOTE: side-effects + // NOTE: synchronized + private synchronized boolean addOrMerge(ImportKeysListEntry toAdd) { + for (ImportKeysListEntry existing : this) { + if (toAdd.hasSameKeyAs(existing)) { + return mergeDupes(toAdd, existing); + } + } + return super.add(toAdd); + } + + // being a little anal about the ArrayList#addAll contract here + private boolean mergeDupes(ImportKeysListEntry incoming, ImportKeysListEntry existing) { + boolean modified = false; + if (incoming.isRevoked()) { + existing.setRevoked(true); + modified = true; + } + if (incoming.isExpired()) { + existing.setExpired(true); + modified = true; + } + for (String origin : incoming.getOrigins()) { + existing.addOrigin(origin); + } + ArrayList<String> incomingIDs = incoming.getUserIds(); + ArrayList<String> existingIDs = existing.getUserIds(); + for (String incomingID : incomingIDs) { + if (!existingIDs.contains(incomingID)) { + existingIDs.add(incomingID); + modified = true; + } + } + return modified; + } + + // NOTE: synchronized + public synchronized void finishedAdding() { + mSupplierCount--; + if (mSupplierCount == 0) { + this.notify(); + } + } + + public int outstandingSuppliers() { + return mSupplierCount; + } +} |