diff --git a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/Lexer.java b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/Lexer.java
index 3e21653..a113864 100644
--- a/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/Lexer.java
+++ b/asterix-maven-plugins/lexer-generator-maven-plugin/src/main/resources/Lexer.java
@@ -72,11 +72,34 @@
 // ================================================================================
 //  Public interface
 // ================================================================================
-    
+
     public [LEXER_NAME](java.io.Reader stream) throws IOException{
         reInit(stream);
     }
 
+    public [LEXER_NAME]() throws IOException{
+        reInit();
+    }
+
+    public void setBuffer(char[] buffer){
+        this.buffer = buffer;
+        tokenBegin = bufpos = 0;
+        containsEscapes = false;
+        line++;
+        tokenBegin = -1;
+    }
+
+    public void reInit(){
+        bufsize        = Integer.MAX_VALUE;
+        endOf_UNUSED_Buffer = bufsize;
+        endOf_USED_Buffer = bufsize;
+        line           = 0;
+        prevCharIsCR   = false;
+        prevCharIsLF   = false;
+        tokenBegin     = -1;
+        maxUnusedBufferSize = bufsize;
+    }
+
     public void reInit(java.io.Reader stream) throws IOException{
         done();
         inputStream    = stream;
@@ -239,5 +262,5 @@
       bufsize += maxUnusedBufferSize;
       endOf_UNUSED_Buffer = bufsize;
       tokenBegin = 0;
-    }    
+    }
 }