1 files changed, 69 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/i18n/filter/SQLFilter.java b/core/src/main/java/org/bouncycastle/i18n/filter/SQLFilter.java
new file mode 100644
index 00000000..d55610b6
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/i18n/filter/SQLFilter.java
@@ -0,0 +1,69 @@
+
+package org.bouncycastle.i18n.filter;
+
+/**
+ * Filter for strings to store in a SQL table.
+ * 
+ * escapes ' " = - / \ ; \r \n
+ */
+public class SQLFilter implements Filter
+{
+
+    public String doFilter(String input) 
+    {
+        StringBuffer buf = new StringBuffer(input);
+        int i = 0;
+        while (i < buf.length()) 
+        {
+            char ch = buf.charAt(i);
+            switch (ch) 
+            {
+            case '\'':
+                buf.replace(i,i+1,"\\\'");
+                i += 1;
+                break;
+            case '\"':
+                buf.replace(i,i+1,"\\\"");
+                i += 1;
+                break;
+            case '=':
+                buf.replace(i,i+1,"\\=");
+                i += 1;
+                break;
+            case '-':
+                buf.replace(i,i+1,"\\-");
+                i += 1;
+                break;
+            case '/':
+                buf.replace(i,i+1,"\\/");
+                i += 1;
+                break;
+            case '\\':
+                buf.replace(i,i+1,"\\\\");
+                i += 1;
+                break;
+            case ';':
+                buf.replace(i,i+1,"\\;");
+                i += 1;
+                break;
+            case '\r':
+                buf.replace(i,i+1,"\\r");
+                i += 1;
+                break;
+            case '\n':
+                buf.replace(i,i+1,"\\n");
+                i += 1;
+                break;
+            default:
+            }
+            i++;
+        }
+        return buf.toString();
+    }
+    
+    public String doFilterUrl(String input)
+    {
+        return doFilter(input);
+    }
+
+}