1 files changed, 116 insertions, 0 deletions
diff --git a/samples/server/echo/echo.c b/samples/server/echo/echo.c
new file mode 100644
index 0000000..2ce6a08
--- /dev/null
+++ b/samples/server/echo/echo.c
@@ -0,0 +1,116 @@
+
+/*
+ * 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 "echo.h"
+#include <axiom_xml_writer.h>
+#include <stdio.h>
+
+axiom_node_t *build_om_programatically(
+    const axutil_env_t * env,
+    axis2_char_t * text);
+
+void set_custom_error(
+    const axutil_env_t * env,
+    axis2_char_t * error_message);
+
+axiom_node_t *
+axis2_echo_echo(
+    const axutil_env_t * env,
+    axiom_node_t * node)
+{
+    axiom_node_t *text_parent_node = NULL;
+    axiom_node_t *text_node = NULL;
+    axiom_node_t *ret_node = NULL;
+
+    AXIS2_ENV_CHECK(env, NULL);
+
+    /* Expected request format is :-
+     * <ns1:echoString xmlns:ns1="http://ws.apache.org/axis2/c/samples">
+     *      <text>echo5</text>
+     * </ns1:echoString>
+     */
+    if (!node)                  /* 'echoString' node */
+    {
+        set_custom_error(env, "Invalid payload; echoString node is NULL");
+        return NULL;
+    }
+
+    text_parent_node = axiom_node_get_first_element(node, env);
+    if (!text_parent_node)
+    {
+        set_custom_error(env, "Invalid payload; text node is NULL");
+        return NULL;
+    }
+
+    text_node = axiom_node_get_first_child(text_parent_node, env);
+    if (!text_node)             /* actual text to echo */
+    {
+        set_custom_error(env, "Invalid payload; text to be echoed is NULL");
+        return NULL;
+    }
+
+    if (axiom_node_get_node_type(text_node, env) == AXIOM_TEXT)
+    {
+        axiom_text_t *text =
+            (axiom_text_t *) axiom_node_get_data_element(text_node, env);
+        if (text && axiom_text_get_value(text, env))
+        {
+            axis2_char_t *text_str =
+                (axis2_char_t *) axiom_text_get_value(text, env);
+            ret_node = build_om_programatically(env, text_str);
+        }
+    }
+    else
+    {
+        set_custom_error(env, "Invalid payload; invalid XML in request");
+        return NULL;
+    }
+
+    return ret_node;
+}
+
+/* Builds the response content */
+axiom_node_t *
+build_om_programatically(
+    const axutil_env_t * env,
+    axis2_char_t * text)
+{
+    axiom_node_t *echo_om_node = NULL;
+    axiom_element_t *echo_om_ele = NULL;
+    axiom_node_t *text_om_node = NULL;
+    axiom_element_t *text_om_ele = NULL;
+    axiom_namespace_t *ns1 = NULL;
+
+    ns1 =
+        axiom_namespace_create(env, "http://ws.apache.org/axis2/c/samples",
+                               "ns1");
+    echo_om_ele =
+        axiom_element_create(env, NULL, "echoString", ns1, &echo_om_node);
+    text_om_ele =
+        axiom_element_create(env, echo_om_node, "text", NULL, &text_om_node);
+    axiom_element_set_text(text_om_ele, env, text, text_om_node);
+    return echo_om_node;
+}
+
+void
+set_custom_error(
+    const axutil_env_t * env,
+    axis2_char_t * error_message)
+{
+    axutil_error_set_error_message(env->error, error_message);
+    AXIS2_ERROR_SET(env->error, AXIS2_ERROR_LAST + 1, AXIS2_FAILURE);
+}