From dbd9e1538976518e8514961f4dc7d0771eb6634b Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 17 Nov 2014 09:06:34 -0500
Subject: [PATCH] Merged #88 "Image diff could display before & after images"
---
src/main/java/com/gitblit/utils/DiffUtils.java | 97 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 96 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/gitblit/utils/DiffUtils.java b/src/main/java/com/gitblit/utils/DiffUtils.java
index f597b94..b30a203 100644
--- a/src/main/java/com/gitblit/utils/DiffUtils.java
+++ b/src/main/java/com/gitblit/utils/DiffUtils.java
@@ -52,6 +52,27 @@
private static final Logger LOGGER = LoggerFactory.getLogger(DiffUtils.class);
/**
+ * Callback interface for binary diffs. All the getDiff methods here take an optional handler;
+ * if given and the {@link DiffOutputType} is {@link DiffOutputType#HTML HTML}, it is responsible
+ * for displaying a binary diff.
+ */
+ public interface BinaryDiffHandler {
+
+ /**
+ * Renders a binary diff. The result must be valid HTML, it will be inserted into an HTML table cell.
+ * May return {@code null} if the default behavior (which is typically just a textual note "Bnary
+ * files differ") is desired.
+ *
+ * @param diffEntry
+ * current diff entry
+ *
+ * @return the rendered diff as HTML, or {@code null} if the default is desired.
+ */
+ public String renderBinaryDiff(final DiffEntry diffEntry);
+
+ }
+
+ /**
* Enumeration for the diff output types.
*/
public static enum DiffOutputType {
@@ -181,6 +202,23 @@
}
/**
+ * Returns the complete diff of the specified commit compared to its primary parent.
+ *
+ * @param repository
+ * @param commit
+ * @param outputType
+ * @param handler
+ * to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
+ * May be {@code null}, resulting in the default behavior.
+ * @return the diff
+ */
+ public static DiffOutput getCommitDiff(Repository repository, RevCommit commit,
+ DiffOutputType outputType, BinaryDiffHandler handler) {
+ return getDiff(repository, null, commit, null, outputType, handler);
+ }
+
+
+ /**
* Returns the diff for the specified file or folder from the specified
* commit compared to its primary parent.
*
@@ -196,6 +234,24 @@
}
/**
+ * Returns the diff for the specified file or folder from the specified
+ * commit compared to its primary parent.
+ *
+ * @param repository
+ * @param commit
+ * @param path
+ * @param outputType
+ * @param handler
+ * to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
+ * May be {@code null}, resulting in the default behavior.
+ * @return the diff
+ */
+ public static DiffOutput getDiff(Repository repository, RevCommit commit, String path,
+ DiffOutputType outputType, BinaryDiffHandler handler) {
+ return getDiff(repository, null, commit, path, outputType, handler);
+ }
+
+ /**
* Returns the complete diff between the two specified commits.
*
* @param repository
@@ -207,6 +263,23 @@
public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
DiffOutputType outputType) {
return getDiff(repository, baseCommit, commit, null, outputType);
+ }
+
+ /**
+ * Returns the complete diff between the two specified commits.
+ *
+ * @param repository
+ * @param baseCommit
+ * @param commit
+ * @param outputType
+ * @param handler
+ * to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
+ * May be {@code null}, resulting in the default behavior.
+ * @return the diff
+ */
+ public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
+ DiffOutputType outputType, BinaryDiffHandler handler) {
+ return getDiff(repository, baseCommit, commit, null, outputType, handler);
}
/**
@@ -225,6 +298,28 @@
*/
public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
String path, DiffOutputType outputType) {
+ return getDiff(repository, baseCommit, commit, path, outputType, null);
+ }
+
+ /**
+ * Returns the diff between two commits for the specified file.
+ *
+ * @param repository
+ * @param baseCommit
+ * if base commit is null the diff is to the primary parent of
+ * the commit.
+ * @param commit
+ * @param path
+ * if the path is specified, the diff is restricted to that file
+ * or folder. if unspecified, the diff is for the entire commit.
+ * @param outputType
+ * @param handler
+ * to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
+ * May be {@code null}, resulting in the default behavior.
+ * @return the diff
+ */
+ public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit, String path, DiffOutputType outputType,
+ final BinaryDiffHandler handler) {
DiffStat stat = null;
String diff = null;
try {
@@ -233,7 +328,7 @@
DiffFormatter df;
switch (outputType) {
case HTML:
- df = new GitBlitDiffFormatter(commit.getName(), path);
+ df = new GitBlitDiffFormatter(commit.getName(), path, handler);
break;
case PLAIN:
default:
--
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