1 files changed, 133 insertions, 0 deletions
diff --git a/src/core/engine/handler.c b/src/core/engine/handler.c
new file mode 100644
index 0000000..e9edf24
--- /dev/null
+++ b/src/core/engine/handler.c
@@ -0,0 +1,133 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <axis2_handler.h>
+#include <axis2_handler_desc.h>
+
+struct axis2_handler
+{
+
+    /** handler description. This is a reference, hence a shallow copy. */
+    axis2_handler_desc_t *handler_desc;
+
+    /**
+     * Invoke is called to do the actual work assigned to the handler.
+     * The phase that owns the handler is responsible for calling invoke
+     * on top of the handler. Those structs that implement the interface 
+     * of the handler should implement the logic for invoke and assign the
+     * respective function pointer to invoke operation.
+     * @param handler pointer to handler
+     * @param env pointer to environment struct
+     * @param msg_ctx pointer to message context
+     * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
+     */
+    axis2_status_t(AXIS2_CALL * invoke)(
+        axis2_handler_t * handler,
+        const axutil_env_t * env,
+        struct axis2_msg_ctx * msg_ctx);
+};
+
+AXIS2_EXTERN axis2_handler_t *AXIS2_CALL
+axis2_handler_create(
+    const axutil_env_t * env)
+{
+    axis2_handler_t *handler = NULL;
+
+    handler = AXIS2_MALLOC(env->allocator, sizeof(axis2_handler_t));
+    if(!handler)
+    {
+        AXIS2_ERROR_SET_ERROR_NUMBER(env->error, AXIS2_ERROR_NO_MEMORY);
+        AXIS2_ERROR_SET_STATUS_CODE(env->error, AXIS2_FAILURE);
+        return NULL;
+    }
+
+    handler->handler_desc = NULL;
+
+    return handler;
+}
+
+AXIS2_EXTERN void AXIS2_CALL
+axis2_handler_free(
+    axis2_handler_t * handler,
+    const axutil_env_t * env)
+{
+    AXIS2_FREE(env->allocator, handler);
+    return;
+}
+
+AXIS2_EXTERN const axutil_string_t *AXIS2_CALL
+axis2_handler_get_name(
+    const axis2_handler_t * handler,
+    const axutil_env_t * env)
+{
+    if(!(handler->handler_desc))
+        return NULL;
+
+    return axis2_handler_desc_get_name(handler->handler_desc, env);
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_handler_invoke(
+    axis2_handler_t * handler,
+    const axutil_env_t * env,
+    struct axis2_msg_ctx * msg_ctx)
+{
+    return handler->invoke(handler, env, msg_ctx);
+}
+
+AXIS2_EXTERN axutil_param_t *AXIS2_CALL
+axis2_handler_get_param(
+    const axis2_handler_t * handler,
+    const axutil_env_t * env,
+    const axis2_char_t * name)
+{
+    if(!(handler->handler_desc))
+        return NULL;
+
+    return axis2_handler_desc_get_param(handler->handler_desc, env, name);
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_handler_init(
+    axis2_handler_t * handler,
+    const axutil_env_t * env,
+    axis2_handler_desc_t * handler_desc)
+{
+    handler->handler_desc = handler_desc;
+    axis2_handler_desc_set_handler(handler_desc, env, handler);
+
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_handler_desc_t *AXIS2_CALL
+axis2_handler_get_handler_desc(
+    const axis2_handler_t * handler,
+    const axutil_env_t * env)
+{
+    return handler->handler_desc;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_handler_set_invoke(
+    axis2_handler_t * handler,
+    const axutil_env_t * env,
+    AXIS2_HANDLER_INVOKE func)
+{
+    handler->invoke = func;
+    return AXIS2_SUCCESS;
+}
+