From e5cb554318f2be8c288789e47f80beb242f3cea6 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 23 Feb 2012 17:06:46 -0500
Subject: [PATCH] Fixed UTF-8 encoding bug in diff formatter (issue 66)

---
 src/com/gitblit/utils/GitBlitDiffFormatter.java |   12 +++++++-----
 tests/com/gitblit/tests/GitServletTest.java     |    9 +++++----
 src/com/gitblit/utils/GitWebDiffFormatter.java  |   11 ++++++-----
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/com/gitblit/utils/GitBlitDiffFormatter.java b/src/com/gitblit/utils/GitBlitDiffFormatter.java
index 0e393fe..e9fbf52 100644
--- a/src/com/gitblit/utils/GitBlitDiffFormatter.java
+++ b/src/com/gitblit/utils/GitBlitDiffFormatter.java
@@ -15,11 +15,14 @@
  */
 package com.gitblit.utils;
 
+import static org.eclipse.jgit.lib.Constants.encode;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
 import org.eclipse.jgit.diff.RawText;
+import org.eclipse.jgit.util.RawParseUtils;
 
 /**
  * Generates an html snippet of a diff in Gitblit's style.
@@ -86,11 +89,9 @@
 			break;
 		}
 		os.write(prefix);
-		ByteArrayOutputStream bos = new ByteArrayOutputStream();
-		text.writeLine(bos, cur);
-		String line = bos.toString();
+		String line = text.getString(cur);
 		line = StringUtils.escapeForHtml(line, false);
-		os.write(line.getBytes());
+		os.write(encode(line));
 		switch (prefix) {
 		case '+':
 		case '-':
@@ -110,7 +111,8 @@
 	 */
 	@Override
 	public String getHtml() {
-		String html = os.toString();
+		ByteArrayOutputStream bos = (ByteArrayOutputStream) os;
+		String html = RawParseUtils.decode(bos.toByteArray());
 		String[] lines = html.split("\n");
 		StringBuilder sb = new StringBuilder();
 		boolean inFile = false;
diff --git a/src/com/gitblit/utils/GitWebDiffFormatter.java b/src/com/gitblit/utils/GitWebDiffFormatter.java
index 00ea121..50c6c72 100644
--- a/src/com/gitblit/utils/GitWebDiffFormatter.java
+++ b/src/com/gitblit/utils/GitWebDiffFormatter.java
@@ -15,6 +15,7 @@
  */
 package com.gitblit.utils;
 
+import static org.eclipse.jgit.lib.Constants.encode;
 import static org.eclipse.jgit.lib.Constants.encodeASCII;
 
 import java.io.ByteArrayOutputStream;
@@ -23,6 +24,7 @@
 
 import org.eclipse.jgit.diff.DiffFormatter;
 import org.eclipse.jgit.diff.RawText;
+import org.eclipse.jgit.util.RawParseUtils;
 
 /**
  * Returns an html snippet of the diff in the standard Gitweb style.
@@ -111,11 +113,9 @@
 			break;
 		}
 		os.write(prefix);
-		ByteArrayOutputStream bos = new ByteArrayOutputStream();
-		text.writeLine(bos, cur);
-		String line = bos.toString();
+		String line = text.getString(cur);
 		line = StringUtils.escapeForHtml(line, false);
-		os.write(line.getBytes());
+		os.write(encode(line));
 		switch (prefix) {
 		case '+':
 		case '-':
@@ -133,7 +133,8 @@
 	 * @return
 	 */
 	public String getHtml() {
-		String html = os.toString();
+		ByteArrayOutputStream bos = (ByteArrayOutputStream) os;
+		String html = RawParseUtils.decode(bos.toByteArray());
 		String[] lines = html.split("\n");
 		StringBuilder sb = new StringBuilder();
 		sb.append("<div class=\"diff\">");
diff --git a/tests/com/gitblit/tests/GitServletTest.java b/tests/com/gitblit/tests/GitServletTest.java
index 38d7fa9..2f9a9c4 100644
--- a/tests/com/gitblit/tests/GitServletTest.java
+++ b/tests/com/gitblit/tests/GitServletTest.java
@@ -13,6 +13,7 @@
 
 import org.eclipse.jgit.api.CloneCommand;
 import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
 import org.eclipse.jgit.util.FileUtils;
 import org.junit.AfterClass;
@@ -113,9 +114,9 @@
 	public void testAnonymousPush() throws Exception {
 		Git git = Git.open(ticgitFolder);
 		File file = new File(ticgitFolder, "TODO");
-		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true));
+		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true), Constants.CHARSET);
 		BufferedWriter w = new BufferedWriter(os);
-		w.write("// " + new Date().toString() + "\n");
+		w.write("// hellol中文 " + new Date().toString() + "\n");
 		w.close();
 		git.add().addFilepattern(file.getName()).call();
 		git.commit().setMessage("test commit").call();
@@ -136,7 +137,7 @@
 
 		Git git = Git.open(jgitFolder);
 		File file = new File(jgitFolder, "TODO");
-		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true));
+		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true), Constants.CHARSET);
 		BufferedWriter w = new BufferedWriter(os);
 		w.write("// " + new Date().toString() + "\n");
 		w.close();
@@ -159,7 +160,7 @@
 
 		Git git = Git.open(jgit2Folder);
 		File file = new File(jgit2Folder, "NONBARE");
-		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true));
+		OutputStreamWriter os = new OutputStreamWriter(new FileOutputStream(file, true), Constants.CHARSET);
 		BufferedWriter w = new BufferedWriter(os);
 		w.write("// " + new Date().toString() + "\n");
 		w.close();

--
Gitblit v1.9.1