| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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 com.intellij.openapi.vcs.changes.committed; |
| |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.openapi.vcs.RepositoryLocation; |
| import com.intellij.openapi.vcs.changes.Change; |
| import com.intellij.openapi.vcs.versionBrowser.CommittedChangeList; |
| import com.intellij.util.containers.MultiMap; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| public abstract class VcsCommittedListsZipperAdapter implements VcsCommittedListsZipper { |
| private final GroupCreator myGroupCreator; |
| |
| public interface GroupCreator { |
| Object createKey(final RepositoryLocation location); |
| RepositoryLocationGroup createGroup(final Object key, final Collection<RepositoryLocation> locations); |
| } |
| |
| protected VcsCommittedListsZipperAdapter(final GroupCreator groupCreator) { |
| myGroupCreator = groupCreator; |
| } |
| |
| public Pair<List<RepositoryLocationGroup>, List<RepositoryLocation>> groupLocations(final List<RepositoryLocation> in) { |
| final List<RepositoryLocationGroup> groups = new ArrayList<RepositoryLocationGroup>(); |
| final List<RepositoryLocation> singles = new ArrayList<RepositoryLocation>(); |
| |
| final MultiMap<Object, RepositoryLocation> map = new MultiMap<Object, RepositoryLocation>(); |
| |
| for (RepositoryLocation location : in) { |
| final Object key = myGroupCreator.createKey(location); |
| map.putValue(key, location); |
| } |
| |
| final Set<Object> keys = map.keySet(); |
| for (Object key : keys) { |
| final Collection<RepositoryLocation> locations = map.get(key); |
| if (locations.size() == 1) { |
| singles.addAll(locations); |
| } else { |
| final RepositoryLocationGroup group = myGroupCreator.createGroup(key, locations); |
| groups.add(group); |
| } |
| } |
| |
| return Pair.create(groups, singles); |
| } |
| |
| public CommittedChangeList zip(final RepositoryLocationGroup group, final List<CommittedChangeList> lists) { |
| if (lists.size() == 1) { |
| return lists.get(0); |
| } |
| final CommittedChangeList result = lists.get(0); |
| for (int i = 1; i < lists.size(); i++) { |
| final CommittedChangeList list = lists.get(i); |
| for (Change change : list.getChanges()) { |
| final Collection<Change> resultChanges = result.getChanges(); |
| if (! resultChanges.contains(change)) { |
| resultChanges.add(change); |
| } |
| } |
| } |
| return result; |
| } |
| |
| public long getNumber(final CommittedChangeList list) { |
| return list.getNumber(); |
| } |
| } |