Issue #38: Adapt to Gerrit 3.2

Update to Gerrit API 3.2.0 and JGit 5.8.0.

Author: tomaswolf

docu/index.md

@@ -5,7 +5,7 @@ with full SSO through Gerrit.
 
 * License: [Apache Public License 2.0](http://www.apache.org/licenses/LICENSE-2.0)
 * [Home page](https://github.com/tomaswolf/gerrit-gitblit-plugin)
-* Installed plugin version: <em id='gerrit-gitblit-current-version'>3.1.171.0-SNAPSHOT</em> &mdash; <a id='gerrit-gitblit-version-check' style='display:none;' href='#'>Check for updates</a>
+* Installed plugin version: <em id='gerrit-gitblit-current-version'>3.2.171.0-SNAPSHOT</em> &mdash; <a id='gerrit-gitblit-version-check' style='display:none;' href='#'>Check for updates</a>
 
 For a list of contributors, see at [GitHub](https://github.com/tomaswolf/gerrit-gitblit-plugin/graphs/contributors).
 
@@ -92,6 +92,6 @@ Report bugs or make feature requests at the [GitHub issue tracker](https://githu
 
 <hr style="color: #C0C0C0; background-color: #C0C0C0; border-color: #C0C0C0; height: 2px;" />
 <div style="float:right;">
-<a href="https://github.com/tomaswolf/gerrit-gitblit-plugin" target="_blank">GitBlit plugin 3.1.171.0-SNAPSHOT</a>
+<a href="https://github.com/tomaswolf/gerrit-gitblit-plugin" target="_blank">GitBlit plugin 3.2.171.0-SNAPSHOT</a>
 </div>
 <script type="text/javascript" src="version_check.js"></script>

pom.xml

@@ -20,7 +20,7 @@ limitations under the License.
   <artifactId>gitblit-plugin</artifactId>
   <description>GitBlit for Gerrit integrated as a plugin</description>
   <name>Gerrit - GitBlit Plugin</name>
-  <version>3.1.171.0-SNAPSHOT</version><!-- Gerrit API version followed by collapsed GitBlit version, followed by plugin version -->
+  <version>3.2.171.0-SNAPSHOT</version><!-- Gerrit API version followed by collapsed GitBlit version, followed by plugin version -->
   <licenses>
     <license>
       <name>Apache License 2.0</name>
@@ -29,8 +29,8 @@ limitations under the License.
   </licenses>
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
-    <Gerrit-ApiVersion>3.1.0</Gerrit-ApiVersion>
-    <JGit-Version>5.5.1.201910021850-r</JGit-Version>
+    <Gerrit-ApiVersion>3.2.0</Gerrit-ApiVersion>
+    <JGit-Version>5.8.0.202006091008-r</JGit-Version>
     <GitBlit-Version>1.7.1</GitBlit-Version>
     <Wicket-Version>1.4.22</Wicket-Version>
     <Lucene-Version>6.6.5</Lucene-Version>

src/main/java/com/gitblit/utils/JGitUtils.java

@@ -17,6 +17,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -2169,7 +2170,7 @@ public static boolean createOrphanBranch(Repository repository, String branchNam
 		}
 		try (ObjectInserter odi = repository.newObjectInserter()) {
 			// Create a blob object to insert into a tree
-			ObjectId blobId = odi.insert(Constants.OBJ_BLOB, message.getBytes(Constants.CHARACTER_ENCODING));
+			ObjectId blobId = odi.insert(Constants.OBJ_BLOB, message.getBytes(StandardCharsets.UTF_8));
 
 			// Create a tree object to reference from a commit
 			TreeFormatter tree = new TreeFormatter();
@@ -2180,7 +2181,7 @@ public static boolean createOrphanBranch(Repository repository, String branchNam
 			CommitBuilder commit = new CommitBuilder();
 			commit.setAuthor(author);
 			commit.setCommitter(author);
-			commit.setEncoding(Constants.CHARACTER_ENCODING);
+			commit.setEncoding(StandardCharsets.UTF_8);
 			commit.setMessage(message);
 			commit.setTreeId(treeId);
 
@@ -2435,7 +2436,7 @@ public static MergeResult merge(Repository repository, String src, String toBran
 					CommitBuilder commitBuilder = new CommitBuilder();
 					commitBuilder.setCommitter(committer);
 					commitBuilder.setAuthor(committer);
-					commitBuilder.setEncoding(Constants.CHARSET);
+					commitBuilder.setEncoding(StandardCharsets.UTF_8);
 					if (StringUtils.isEmpty(message)) {
 						message = MessageFormat.format("merge {0} into {1}", srcTip.getName(), branchTip.getName());
 					}

src/main/java/com/gitblit/utils/RefLogUtils.java

@@ -16,9 +16,11 @@
 package com.gitblit.utils;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.text.DateFormat;
 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -255,7 +257,7 @@ public static boolean updateRefLog(UserModel user, Repository repository, Collec
 				CommitBuilder commit = new CommitBuilder();
 				commit.setAuthor(ident);
 				commit.setCommitter(ident);
-				commit.setEncoding(Constants.ENCODING);
+				commit.setEncoding(StandardCharsets.UTF_8);
 				commit.setMessage(message);
 				commit.setParentId(headId);
 				commit.setTreeId(indexTreeId);
@@ -305,7 +307,7 @@ private static DirCache createIndex(Repository repo, ObjectId headId, Collection
 		DirCache inCoreIndex = DirCache.newInCore();
 		DirCacheBuilder dcBuilder = inCoreIndex.builder();
 
-		long now = System.currentTimeMillis();
+		Instant now = Instant.now();
 		Set<String> ignorePaths = new TreeSet<String>();
 		try (ObjectInserter inserter = repo.newObjectInserter()) {
 			// add receive commands to the temporary index
@@ -345,7 +347,7 @@ private static DirCache createIndex(Repository repo, ObjectId headId, Collection
 				dcEntry.setFileMode(FileMode.REGULAR_FILE);
 
 				// insert object
-				dcEntry.setObjectId(inserter.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, content.getBytes("UTF-8")));
+				dcEntry.setObjectId(inserter.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, content.getBytes(StandardCharsets.UTF_8)));
 
 				// add to temporary in-core index
 				dcBuilder.add(dcEntry);