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Merge pull request #455 from jenkinsci/jenkins-39355-follow-up-3.x
master branch [JENKINS-39355 follow up][JENKINS-40382] Pick up SCM API 2.x
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| /* | ||
| * The MIT License | ||
| * | ||
| * Copyright (c) 2016 CloudBees, Inc. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| * | ||
| */ | ||
|
|
||
| package jenkins.plugins.git; | ||
|
|
||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
| import java.io.ByteArrayInputStream; | ||
| import java.io.FileNotFoundException; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import jenkins.scm.api.SCMFile; | ||
| import org.apache.commons.lang.StringUtils; | ||
| import org.eclipse.jgit.lib.FileMode; | ||
| import org.eclipse.jgit.lib.ObjectId; | ||
| import org.eclipse.jgit.lib.ObjectLoader; | ||
| import org.eclipse.jgit.lib.Repository; | ||
| import org.eclipse.jgit.revwalk.RevCommit; | ||
| import org.eclipse.jgit.revwalk.RevTree; | ||
| import org.eclipse.jgit.revwalk.RevWalk; | ||
| import org.eclipse.jgit.treewalk.TreeWalk; | ||
|
|
||
| /** | ||
| * Implementation of {@link SCMFile} for Git. | ||
| * | ||
| * @since FIXME | ||
| */ | ||
| public class GitSCMFile extends SCMFile { | ||
|
|
||
| private final GitSCMFileSystem fs; | ||
|
|
||
| public GitSCMFile(GitSCMFileSystem fs) { | ||
| this.fs = fs; | ||
| } | ||
|
|
||
| public GitSCMFile(GitSCMFileSystem fs, @NonNull GitSCMFile parent, String name) { | ||
| super(parent, name); | ||
| this.fs = fs; | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| protected SCMFile newChild(String name, boolean assumeIsDirectory) { | ||
| return new GitSCMFile(fs, this, name); | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| public Iterable<SCMFile> children() throws IOException, InterruptedException { | ||
| return fs.invoke(new GitSCMFileSystem.FSFunction<List<SCMFile>>() { | ||
| @Override | ||
| public List<SCMFile> invoke(Repository repository) throws IOException, InterruptedException { | ||
| try (RevWalk walk = new RevWalk(repository)) { | ||
| RevCommit commit = walk.parseCommit(fs.getCommitId()); | ||
| RevTree tree = commit.getTree(); | ||
| if (isRoot()) { | ||
| try (TreeWalk tw = new TreeWalk(repository)) { | ||
| tw.addTree(tree); | ||
| tw.setRecursive(false); | ||
| List<SCMFile> result = new ArrayList<SCMFile>(); | ||
| while (tw.next()) { | ||
| result.add(new GitSCMFile(fs, GitSCMFile.this, tw.getNameString())); | ||
| } | ||
| return result; | ||
| } | ||
| } else { | ||
| try (TreeWalk tw = TreeWalk.forPath(repository, getPath(), tree)) { | ||
| if (tw == null) { | ||
| throw new FileNotFoundException(); | ||
| } | ||
| FileMode fileMode = tw.getFileMode(0); | ||
| if (fileMode == FileMode.MISSING) { | ||
| throw new FileNotFoundException(); | ||
| } | ||
| if (fileMode != FileMode.TREE) { | ||
| throw new IOException("Not a directory"); | ||
| } | ||
| tw.enterSubtree(); | ||
| List<SCMFile> result = new ArrayList<SCMFile>(); | ||
| while (tw.next()) { | ||
| result.add(new GitSCMFile(fs, GitSCMFile.this, tw.getNameString())); | ||
| } | ||
| return result; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| @Override | ||
| public long lastModified() throws IOException, InterruptedException { | ||
| // TODO a more correct implementation | ||
| return fs.lastModified(); | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| protected Type type() throws IOException, InterruptedException { | ||
| return fs.invoke(new GitSCMFileSystem.FSFunction<Type>() { | ||
| @Override | ||
| public Type invoke(Repository repository) throws IOException, InterruptedException { | ||
| try (RevWalk walk = new RevWalk(repository)) { | ||
| RevCommit commit = walk.parseCommit(fs.getCommitId()); | ||
| RevTree tree = commit.getTree(); | ||
| try (TreeWalk tw = TreeWalk.forPath(repository, getPath(), tree)) { | ||
| if (tw == null) { | ||
| return SCMFile.Type.NONEXISTENT; | ||
| } | ||
| FileMode fileMode = tw.getFileMode(0); | ||
| if (fileMode == FileMode.MISSING) { | ||
| return SCMFile.Type.NONEXISTENT; | ||
| } | ||
| if (fileMode == FileMode.EXECUTABLE_FILE) { | ||
| return SCMFile.Type.REGULAR_FILE; | ||
| } | ||
| if (fileMode == FileMode.REGULAR_FILE) { | ||
| return SCMFile.Type.REGULAR_FILE; | ||
| } | ||
| if (fileMode == FileMode.SYMLINK) { | ||
| return SCMFile.Type.LINK; | ||
| } | ||
| if (fileMode == FileMode.TREE) { | ||
| return SCMFile.Type.DIRECTORY; | ||
| } | ||
| return SCMFile.Type.OTHER; | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| public InputStream content() throws IOException, InterruptedException { | ||
| return fs.invoke(new GitSCMFileSystem.FSFunction<InputStream>() { | ||
| @Override | ||
| public InputStream invoke(Repository repository) throws IOException, InterruptedException { | ||
| try (RevWalk walk = new RevWalk(repository)) { | ||
| RevCommit commit = walk.parseCommit(fs.getCommitId()); | ||
| RevTree tree = commit.getTree(); | ||
| try (TreeWalk tw = TreeWalk.forPath(repository, getPath(), tree)) { | ||
| if (tw == null) { | ||
| throw new FileNotFoundException(); | ||
| } | ||
| FileMode fileMode = tw.getFileMode(0); | ||
| if (fileMode == FileMode.MISSING) { | ||
| throw new FileNotFoundException(); | ||
| } | ||
| if (fileMode == FileMode.TREE) { | ||
| throw new IOException("Directory"); | ||
| } | ||
| ObjectId objectId = tw.getObjectId(0); | ||
| ObjectLoader loader = repository.open(objectId); | ||
| return new ByteArrayInputStream(loader.getBytes()); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| } |
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