From 9755338f73f3f87990387602e2920e9ff87fa8a5 Mon Sep 17 00:00:00 2001
From: str4d <str4d@mail.i2p>
Date: Tue, 17 Jan 2012 22:45:06 +0000
Subject: [PATCH] Fix for #588 part 6: Don't convert nulls to empty strings

---
 core/java/src/net/i2p/data/DataHelper.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/java/src/net/i2p/data/DataHelper.java b/core/java/src/net/i2p/data/DataHelper.java
index f3e4151c2..95809ed46 100644
--- a/core/java/src/net/i2p/data/DataHelper.java
+++ b/core/java/src/net/i2p/data/DataHelper.java
@@ -1471,10 +1471,10 @@ public class DataHelper {
     /**
      * Escape a string for inclusion in HTML
      * @param unescaped the unescaped string, may be null
-     * @return the escaped string, or an empty string if null is passed in
+     * @return the escaped string, or null if null is passed in
      */
     public static String escapeHTML(String unescaped) {
-        if (unescaped == null) return "";
+        if (unescaped == null) return null;
         Map<String, String> map = new HashMap<String, String>();
         map.put("\"","&quot;");
         map.put("<","&lt;");
@@ -1491,10 +1491,10 @@ public class DataHelper {
     /**
      * Unescape a string taken from HTML
      * @param escaped the escaped string, may be null
-     * @return the unescaped string, or an empty string if null is passed in
+     * @return the unescaped string, or null if null is passed in
      */
     public static String unescapeHTML(String escaped) {
-        if (escaped == null) return "";
+        if (escaped == null) return null;
         Map<String, String> map = new HashMap<String, String>();
         map.put("&amp;","&");
         map.put("&quot;","\"");