3 files changed, 34 insertions, 0 deletions
diff --git a/axiom/include/axiom_data_handler.h b/axiom/include/axiom_data_handler.h
index 0cf65c9..5442a2f 100644
--- a/axiom/include/axiom_data_handler.h
+++ b/axiom/include/axiom_data_handler.h
@@ -31,6 +31,7 @@
 #include <axutil_allocator.h>
 #include <axutil_string.h>
 #include <axutil_array_list.h>
+#include <axiom_mtom_sending_callback.h>
 
 #ifdef __cplusplus
 extern "C"
@@ -41,6 +42,7 @@ extern "C"
     {
         AXIOM_DATA_HANDLER_TYPE_FILE,
         AXIOM_DATA_HANDLER_TYPE_BUFFER,
+        AXIOM_DATA_HANDLER_TYPE_HANDLER,
         AXIOM_DATA_HANDLER_TYPE_CALLBACK
     } axiom_data_handler_type_t;
 
@@ -240,6 +242,17 @@ extern "C"
         const axutil_env_t *env,
         axiom_data_handler_type_t data_handler_type);
 
+    AXIS2_EXTERN void AXIS2_CALL
+    axiom_data_handler_set_read_handler(
+        axiom_data_handler_t *data_handler,
+        const axutil_env_t *env,
+        int (* handler_create)(
+                axiom_mtom_sending_callback_t **,
+                const axutil_env_t *),
+        int (* handler_remove)(
+                axiom_mtom_sending_callback_t *,
+                const axutil_env_t *));
+
     AXIS2_EXTERN void *AXIS2_CALL
     axiom_data_handler_get_user_param(
         axiom_data_handler_t *data_handler,
diff --git a/axiom/include/axiom_mime_part.h b/axiom/include/axiom_mime_part.h
index e4cfc36..c56f50a 100644
--- a/axiom/include/axiom_mime_part.h
+++ b/axiom/include/axiom_mime_part.h
@@ -30,6 +30,7 @@
 #include <axutil_allocator.h>
 #include <axutil_string.h>
 #include <axutil_array_list.h>
+#include <axiom_mtom_sending_callback.h>
 
 #ifdef __cplusplus
 extern "C"
@@ -53,6 +54,9 @@ extern "C"
         /* User specified callback */
         AXIOM_MIME_PART_CALLBACK,
         
+        /* User specified handler functions */
+        AXIOM_MIME_PART_HANDLER,
+        
         /* unknown type*/
         AXIOM_MIME_PART_UNKNOWN
         
@@ -78,6 +82,15 @@ extern "C"
 
         /* This is required in the case of the callback */
         void *user_param;
+
+        /* Required for type AXIOM_MIME_PART_HANDLER, specify
+         * functions for reading data */
+        int (* read_handler_create)(
+                axiom_mtom_sending_callback_t ** inst,
+                const axutil_env_t * env);
+        int (* read_handler_remove)(
+                axiom_mtom_sending_callback_t * inst,
+                const axutil_env_t * env);
     };
 
 
diff --git a/axiom/include/axiom_mtom_sending_callback.h b/axiom/include/axiom_mtom_sending_callback.h
index ce2587e..fb97d5e 100644
--- a/axiom/include/axiom_mtom_sending_callback.h
+++ b/axiom/include/axiom_mtom_sending_callback.h
@@ -73,6 +73,11 @@ extern "C"
             void *handler,
             axis2_char_t **buffer);
 
+        int (AXIS2_CALL*
+            data_size)(axiom_mtom_sending_callback_t *mtom_sending_callback,
+            const axutil_env_t* env,
+            void *handler);
+
         axis2_status_t (AXIS2_CALL*
             close_handler)(axiom_mtom_sending_callback_t *mtom_sending_callback,
             const axutil_env_t* env,
@@ -96,6 +101,9 @@ extern "C"
 #define AXIOM_MTOM_SENDING_CALLBACK_LOAD_DATA(mtom_sending_callback, env, handler, buffer) \
         ((mtom_sending_callback)->ops->load_data(mtom_sending_callback, env, handler, buffer))
 
+#define AXIOM_MTOM_SENDING_CALLBACK_DATA_SIZE(mtom_sending_callback, env, handler) \
+        ((mtom_sending_callback)->ops->data_size(mtom_sending_callback, env, handler))
+
 #define AXIOM_MTOM_SENDING_CALLBACK_CLOSE_HANDLER(mtom_sending_callback, env, handler) \
         ((mtom_sending_callback)->ops->close_handler(mtom_sending_callback, env, handler))