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authorKetan Padegaonkar2011-05-23 02:36:52 (EDT)
committer Chris Aniszczyk2011-08-21 16:43:50 (EDT)
commite38cf2078d22e2c902a373371382ac8d82268f2d (patch)
treec41f48f7ce96b6c8c45edd1aad665a0e8853d454
parentbd691f162c32cd9e9834e1d8a2baef99c4eac09b (diff)
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Add ListTagCommand to JGit APIrefs/changes/01/3901/3
Bug: 355246 Change-Id: I11e019f3c19b4340ac7160ac8fcbadd52499d322 Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>
-rw-r--r--org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java36
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java14
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java104
3 files changed, 152 insertions, 2 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
index 1db0381..1e8f7fd 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
@@ -197,4 +197,40 @@ public class TagCommandTest extends RepositoryTestCase {
assertEquals(0, deleted.size());
}
+ @Test
+ public void testShouldNotBlowUpIfThereAreNoTagsInRepository()
+ throws Exception {
+ Git git = new Git(db);
+ git.add().addFilepattern("*").call();
+ git.commit().setMessage("initial commit").call();
+ List<RevTag> list = git.tagList().call();
+ assertEquals(0, list.size());
+ }
+
+ @Test
+ public void testShouldNotBlowUpIfThereAreNoCommitsInRepository()
+ throws Exception {
+ Git git = new Git(db);
+ List<RevTag> list = git.tagList().call();
+ assertEquals(0, list.size());
+ }
+
+ @Test
+ public void testListAllTagsInRepositoryInOrder() throws Exception {
+ Git git = new Git(db);
+ git.add().addFilepattern("*").call();
+ git.commit().setMessage("initial commit").call();
+
+ git.tag().setName("v3").call();
+ git.tag().setName("v2").call();
+ git.tag().setName("v10").call();
+
+ List<RevTag> list = git.tagList().call();
+
+ assertEquals(3, list.size());
+ assertEquals("v10", list.get(0).getTagName());
+ assertEquals("v2", list.get(1).getTagName());
+ assertEquals("v3", list.get(2).getTagName());
+ }
+
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
index 6149bfe..5b2677d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
@@ -242,6 +242,16 @@ public class Git {
}
/**
+ *
+ * Returns a command object used to list tags
+ *
+ * @return a {@link ListTagCommand}
+ */
+ public ListTagCommand tagList() {
+ return new ListTagCommand(repo);
+ }
+
+ /**
* Returns a command object used to rename branches
*
* @return a {@link RenameBranchCommand}
@@ -496,8 +506,8 @@ public class Git {
/**
* Returns a command object used to delete tags
- *
- * @return a {@link DeleteBranchCommand}
+ *
+ * @return a {@link DeleteTagCommand}
*/
public DeleteTagCommand tagDelete() {
return new DeleteTagCommand(repo);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java
new file mode 100644
index 0000000..ec199c3
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2011, Ketan Padegaonkar <ketanpadegaonkar@gmail.com>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.api;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevTag;
+import org.eclipse.jgit.revwalk.RevWalk;
+
+/**
+ * Used to obtain a list of tags.
+ *
+ * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-tag.html"
+ * >Git documentation about Tag</a>
+ */
+public class ListTagCommand extends GitCommand<List<RevTag>> {
+
+ /**
+ * @param repo
+ */
+ protected ListTagCommand(Repository repo) {
+ super(repo);
+ }
+
+ /**
+ * @throws JGitInternalException
+ * upon internal failure
+ * @return the tags available
+ */
+ public List<RevTag> call() throws JGitInternalException {
+ checkCallable();
+ Map<String, Ref> refList;
+ List<RevTag> tags = new ArrayList<RevTag>();
+ RevWalk revWalk = new RevWalk(repo);
+ try {
+ refList = repo.getRefDatabase().getRefs(Constants.R_TAGS);
+ for (Ref ref : refList.values()) {
+ RevTag tag = revWalk.parseTag(ref.getObjectId());
+ tags.add(tag);
+ }
+ } catch (IOException e) {
+ throw new JGitInternalException(e.getMessage(), e);
+ } finally {
+ revWalk.release();
+ }
+ Collections.sort(tags, new Comparator<RevTag>() {
+ public int compare(RevTag o1, RevTag o2) {
+ return o1.getTagName().compareTo(o2.getTagName());
+ }
+ });
+ setCallable(false);
+ return tags;
+ }
+
+}