Merged BRANCHES/DEV/THOR1_SPRINTS to HEAD:

36882: THOR-1424: WebDAV via HTML/browser view: "Up a level" link does not work if at the network level 


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@36883 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/webdav/GetMethod.java

@@ -430,8 +430,8 @@ public class GetMethod extends WebDAVMethod
                 writer.write("<td colspan='4' class='textData'><a href=\"");
 
                 // Strip the last folder from the path
-                String[] paths = getDAVHelper().splitPath(rootURL.substring(0, rootURL.length() - 1));
+                String parentFolderUrl = parentFolder(rootURL);
-                writer.write(paths[0]);
+                writer.write(parentFolderUrl);
 
                 writer.write("\">");
                 writer.write("[");
@@ -553,6 +553,29 @@ public class GetMethod extends WebDAVMethod
         }
     }
 
+    /**
+     * Given a path, will return the parent path. For example: /a/b/c
+     * will return /a/b and /a/b will return /a.
+     * 
+     * @param path The path to return the parent of - must be non-null.
+     * @return String - parent path.
+     */
+    private String parentFolder(String path)
+    {
+        if (path.endsWith(WebDAVHelper.PathSeperator))
+        {
+            // Strip trailing slash.
+            path = path.substring(0, path.length() - 1);
+        }
+        String[] paths = getDAVHelper().splitPath(path);
+        String parent = paths[0];
+        if (parent.equals(""))
+        {
+            parent = WebDAVHelper.PathSeperator;
+        }
+        return parent;
+    }
+
     /**
      * Formats the given size for display in a directory listing
      *