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/*
* 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 org.zmlx.hg4idea.branch;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.vcs.log.Hash;
import org.jetbrains.annotations.NotNull;
import org.zmlx.hg4idea.HgNameWithHashInfo;
import org.zmlx.hg4idea.repo.HgRepository;
import org.zmlx.hg4idea.util.HgUtil;
import java.util.*;
public class HgBranchUtil {
/**
* Only common hg heavy branches
*/
@NotNull
public static Collection<String> getCommonBranches(@NotNull Collection<HgRepository> repositories) {
Collection<String> commonBranches = null;
for (HgRepository repository : repositories) {
Map<String, Set<Hash>> branchesWithHashes = repository.getBranches();
Collection<String> names = branchesWithHashes.keySet();
if (commonBranches == null) {
commonBranches = names;
}
else {
commonBranches = ContainerUtil.intersection(commonBranches, names);
}
}
if (commonBranches != null) {
ArrayList<String> common = new ArrayList<String>(commonBranches);
Collections.sort(common);
return common;
}
else {
return Collections.emptyList();
}
}
@NotNull
public static Collection<String> getCommonBookmarks(@NotNull Collection<HgRepository> repositories) {
Collection<String> commonBookmarkNames = null;
for (HgRepository repository : repositories) {
Collection<HgNameWithHashInfo> bookmarksInfo = repository.getBookmarks();
Collection<String> names = HgUtil.getNamesWithoutHashes(bookmarksInfo);
if (commonBookmarkNames == null) {
commonBookmarkNames = names;
}
else {
commonBookmarkNames = ContainerUtil.intersection(commonBookmarkNames, names);
}
}
if (commonBookmarkNames != null) {
ArrayList<String> common = new ArrayList<String>(commonBookmarkNames);
Collections.sort(common);
return common;
}
else {
return Collections.emptyList();
}
}
}
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