| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // 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.googlesource.gerrit.plugins.uploadvalidator; |
| |
| import com.google.gerrit.server.git.validators.CommitValidationListener; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.api.errors.GitAPIException; |
| import org.eclipse.jgit.diff.DiffEntry; |
| import org.eclipse.jgit.lib.ObjectReader; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.treewalk.AbstractTreeIterator; |
| import org.eclipse.jgit.treewalk.CanonicalTreeParser; |
| import org.eclipse.jgit.treewalk.TreeWalk; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public abstract class PathValidator implements CommitValidationListener { |
| |
| protected List<String> getFiles(Repository repo, RevCommit c) |
| throws IOException, GitAPIException { |
| List<String> files = new ArrayList<>(); |
| |
| if (c.getParentCount() > 0) { |
| List<DiffEntry> diffEntries; |
| try (Git git = new Git(repo)) { |
| diffEntries = git.diff() |
| .setOldTree(getTreeIterator(repo, c.getName() + "^")) |
| .setNewTree(getTreeIterator(repo, c.getName())).call(); |
| } |
| for (DiffEntry e : diffEntries) { |
| if (e.getNewPath() != null) { |
| files.add(e.getNewPath()); |
| } |
| } |
| } else { |
| try (TreeWalk tw = new TreeWalk(repo)) { |
| tw.addTree(c.getTree()); |
| tw.setRecursive(true); |
| while (tw.next()) { |
| files.add(tw.getPathString()); |
| } |
| } |
| } |
| |
| return files; |
| } |
| |
| private AbstractTreeIterator getTreeIterator(Repository repo, String name) |
| throws IOException { |
| CanonicalTreeParser p = new CanonicalTreeParser(); |
| try (ObjectReader or = repo.newObjectReader()) { |
| p.reset(or, new RevWalk(repo).parseTree(repo.resolve(name))); |
| return p; |
| } |
| } |
| } |