From e1908933fa9968b11e9ea03d88730aee3140534b Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 15 Oct 2013 09:43:09 -0400
Subject: [PATCH] Fix error on generating activity page when there is no activity

---
 src/main/java/com/gitblit/wicket/pages/BlobPage.java |   30 ++++++++++++++++++------------
 1 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/gitblit/wicket/pages/BlobPage.java b/src/main/java/com/gitblit/wicket/pages/BlobPage.java
index f6e9998..0c93d48 100644
--- a/src/main/java/com/gitblit/wicket/pages/BlobPage.java
+++ b/src/main/java/com/gitblit/wicket/pages/BlobPage.java
@@ -32,11 +32,14 @@
 import com.gitblit.Keys;
 import com.gitblit.utils.JGitUtils;
 import com.gitblit.utils.StringUtils;
+import com.gitblit.wicket.CacheControl;
+import com.gitblit.wicket.CacheControl.LastModified;
 import com.gitblit.wicket.ExternalImage;
 import com.gitblit.wicket.WicketUtils;
 import com.gitblit.wicket.panels.CommitHeaderPanel;
 import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
 
+@CacheControl(LastModified.BOOT)
 public class BlobPage extends RepositoryPage {
 
 	protected String fileExtension;
@@ -47,7 +50,7 @@
 		Repository r = getRepository();
 		final String blobPath = WicketUtils.getPath(params);
 		String [] encodings = GitBlit.getEncodings();
-		
+
 		if (StringUtils.isEmpty(blobPath)) {
 			// blob by objectid
 
@@ -150,7 +153,7 @@
 			}
 		}
 	}
-	
+
 	protected String missingBlob(String blobPath, RevCommit commit) {
 		StringBuilder sb = new StringBuilder();
 		sb.append("<div class=\"alert alert-error\">");
@@ -162,23 +165,23 @@
 
 	protected String generateSourceView(String source, String extension, boolean prettyPrint) {
 		String [] lines = source.split("\n");
-		
+
 		StringBuilder sb = new StringBuilder();
 		sb.append("<!-- start blob table -->");
 		sb.append("<table width=\"100%\"><tbody><tr>");
-		
+
 		// nums column
 		sb.append("<!-- start nums column -->");
 		sb.append("<td id=\"nums\">");
 		sb.append("<pre>");
-		String numPattern = "<span id=\"L{0}\" class=\"num\">{0}</span>\n";
+		String numPattern = "<span id=\"L{0}\" class=\"jump\"></span><a href=\"#L{0}\">{0}</a>\n";
 		for (int i = 0; i < lines.length; i++) {
 			sb.append(MessageFormat.format(numPattern, "" + (i + 1)));
 		}
 		sb.append("</pre>");
 		sb.append("<!-- end nums column -->");
 		sb.append("</td>");
-		
+
 		sb.append("<!-- start lines column -->");
 		sb.append("<td id=\"lines\">");
 		sb.append("<div class=\"sourceview\">");
@@ -188,13 +191,16 @@
 			sb.append("<pre class=\"plainprint\">");
 		}
 		lines = StringUtils.escapeForHtml(source, true).split("\n");
-		
+
 		sb.append("<table width=\"100%\"><tbody>");
-		
-		String linePattern = "<tr class=\"{0}\"><td><a href=\"#L{2}\">{1}</a>\r</tr>";
+
+		String linePattern = "<tr class=\"{0}\"><td><div><span class=\"line\">{1}</span></div>\r</tr>";
 		for (int i = 0; i < lines.length; i++) {
 			String line = lines[i].replace('\r', ' ');
 			String cssClass = (i % 2 == 0) ? "even" : "odd";
+			if (StringUtils.isEmpty(line.trim())) {
+				line = "&nbsp;";
+			}
 			sb.append(MessageFormat.format(linePattern, cssClass, line, "" + (i + 1)));
 		}
 		sb.append("</tbody></table></pre>");
@@ -202,10 +208,10 @@
 		sb.append("</div>");
 		sb.append("</td>");
 		sb.append("<!-- end lines column -->");
-		
+
 		sb.append("</tr></tbody></table>");
 		sb.append("<!-- end blob table -->");
-		
+
 		return sb.toString();
 	}
 
@@ -213,7 +219,7 @@
 	protected String getPageName() {
 		return getString("gb.view");
 	}
-	
+
 	@Override
 	protected Class<? extends BasePage> getRepoNavPageClass() {
 		return TreePage.class;

--
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