From fca3a2a70976d2849b607c1b3054b6fc9664f19b Mon Sep 17 00:00:00 2001
From: Luke Taylor <luke.taylor@springsource.com>
Date: Mon, 5 May 2008 19:09:09 +0000
Subject: [PATCH] SEC-812: Added missing TextUtils file

---
 .../security/util/TextUtils.java              | 33 +++++++++++++++++++
 .../security/util/TextUtilsTests.java         | 14 ++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 core/src/main/java/org/springframework/security/util/TextUtils.java
 create mode 100644 core/src/test/java/org/springframework/security/util/TextUtilsTests.java

diff --git a/core/src/main/java/org/springframework/security/util/TextUtils.java b/core/src/main/java/org/springframework/security/util/TextUtils.java
new file mode 100644
index 0000000000..f547e9c7bb
--- /dev/null
+++ b/core/src/main/java/org/springframework/security/util/TextUtils.java
@@ -0,0 +1,33 @@
+package org.springframework.security.util;
+
+/**
+ * Utilities for working with Strings and text.
+ * 
+ * @author Luke Taylor
+ * @version $Id$
+ */
+public abstract class TextUtils {
+
+    public static String escapeEntities(String s) {
+        StringBuffer sb = new StringBuffer();
+        
+        for (int i=0; i < s.length(); i++) {
+            char c = s.charAt(i);
+            
+            if(c == '<') {
+                sb.append("&lt;");
+            } else if (c == '>') {
+                sb.append("&gt;");
+            } else if (c == '"') {
+                sb.append("&#034;");
+            } else if (c == '\'') {
+                sb.append("&#039;");
+            } else {
+                sb.append(c);
+            }
+        }
+        
+        return sb.toString();
+    }
+    
+}
diff --git a/core/src/test/java/org/springframework/security/util/TextUtilsTests.java b/core/src/test/java/org/springframework/security/util/TextUtilsTests.java
new file mode 100644
index 0000000000..7b1c454e1f
--- /dev/null
+++ b/core/src/test/java/org/springframework/security/util/TextUtilsTests.java
@@ -0,0 +1,14 @@
+package org.springframework.security.util;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+public class TextUtilsTests {
+
+    @Test
+    public void charactersAreEscapedCorrectly() {
+        assertEquals("a&lt;script&gt;&#034;&#039;", TextUtils.escapeEntities("a<script>\"'"));
+    }
+    
+}