/*
 * 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_conf_builder.h>
#include <axis2_disp.h>
#include <axis2_conf.h>
#include <axutil_class_loader.h>
#include <axis2_transport_in_desc.h>
#include <axis2_transport_out_desc.h>
#include <axutil_utils.h>
#include <axis2_transport_receiver.h>

struct axis2_conf_builder
{
    axis2_conf_t *conf;
    struct axis2_desc_builder *desc_builder;
};

static axis2_status_t
axis2_conf_builder_process_disp_order(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_node_t *disp_order_node);

static axis2_status_t
axis2_conf_builder_process_phase_orders(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *phase_orders);

static axutil_array_list_t *
axis2_conf_builder_get_phase_list(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_node_t *phase_orders_node);

static axis2_status_t
axis2_conf_builder_process_transport_senders(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *trs_senders);

static axis2_status_t
axis2_conf_builder_process_transport_recvs(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *trs_recvs);

static axis2_status_t AXIS2_CALL
axis2_conf_builder_process_default_module_versions(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *module_versions);


AXIS2_EXTERN axis2_conf_builder_t *AXIS2_CALL
axis2_conf_builder_create(const axutil_env_t *env)
{
    axis2_conf_builder_t *conf_builder = NULL;

    AXIS2_ENV_CHECK(env, NULL);

    conf_builder = (axis2_conf_builder_t *) AXIS2_MALLOC(env->allocator, 
        sizeof(axis2_conf_builder_t));

    if (! conf_builder)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }

    conf_builder->conf = NULL;

    return conf_builder;
}

AXIS2_EXTERN axis2_conf_builder_t *AXIS2_CALL
axis2_conf_builder_create_with_file_and_dep_engine_and_conf(const axutil_env_t *env,
    axis2_char_t *file,
    axis2_dep_engine_t *engine,
    axis2_conf_t *conf)
{
    axis2_conf_builder_t *conf_builder = NULL;

    AXIS2_ENV_CHECK(env, NULL);

    conf_builder = (axis2_conf_builder_t *) axis2_conf_builder_create(env);
    if (! conf_builder)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }
    conf_builder->desc_builder =
        axis2_desc_builder_create_with_file_and_dep_engine(env, file, engine);
    conf_builder->conf = conf;

    return conf_builder;
}


AXIS2_EXTERN void AXIS2_CALL
axis2_conf_builder_free(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env)
{
    AXIS2_ENV_CHECK(env, void);

    if (conf_builder->desc_builder)
    {
        axis2_desc_builder_free(conf_builder->desc_builder, env);
    }

    if (conf_builder)
    {
        AXIS2_FREE(env->allocator, conf_builder);
    }

    return;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_conf_builder_populate_conf(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env)
{
    axutil_qname_t *qparamst = NULL;
    axutil_qname_t *qmsgrecv = NULL;
    axutil_qname_t *qdisporder = NULL;
    axutil_qname_t *qmodulest = NULL;
    axutil_qname_t *qtransportsender = NULL;
    axutil_qname_t *qtransportrecv = NULL;
    axutil_qname_t *qphaseorder = NULL;
    axutil_qname_t *qdefmodver = NULL;
    axiom_children_qname_iterator_t *itr = NULL;
    axiom_children_qname_iterator_t *msg_recvs = NULL;
    axiom_children_qname_iterator_t *module_itr = NULL;
    axiom_children_qname_iterator_t *trs_senders = NULL;
    axiom_children_qname_iterator_t *trs_recvs = NULL;
    axiom_children_qname_iterator_t *phase_orders = NULL;
    axiom_children_qname_iterator_t *def_mod_versions = NULL;
    axiom_element_t *conf_element = NULL;
    axiom_node_t *conf_node = NULL;
    axiom_element_t *disp_order_element = NULL;
    axiom_node_t *disp_order_node = NULL;
    axis2_status_t status = AXIS2_FAILURE;
    axutil_param_t *param = NULL;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);

    conf_node  = axis2_desc_builder_build_om(conf_builder->desc_builder, env);
    if (!conf_node)
    {
        return AXIS2_FAILURE;
    }
    conf_element = axiom_node_get_data_element(conf_node, env);
    /* processing Paramters */
    /* Processing service level paramters */
    qparamst = axutil_qname_create(env, AXIS2_PARAMETERST, NULL, NULL);
    itr = axiom_element_get_children_with_qname(conf_element, env, qparamst,
        conf_node);
    axutil_qname_free(qparamst, env);
    axis2_desc_builder_process_params(conf_builder->desc_builder, env, itr,
        axis2_conf_get_param_container(conf_builder->conf, env),
        axis2_conf_get_param_container(conf_builder->conf, env));
    /* process Message Reciver */
    qmsgrecv = axutil_qname_create(env, AXIS2_MESSAGERECEIVER, NULL, NULL);
    msg_recvs = axiom_element_get_children_with_qname(conf_element, env,
        qmsgrecv, conf_node);
    axutil_qname_free(qmsgrecv, env);
    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(msg_recvs, env))
    {
        axiom_node_t *msg_recv_node = NULL;
        axiom_element_t *msg_recv_element = NULL;
        axis2_msg_recv_t *msg_recv = NULL;
        axiom_attribute_t *mep_att = NULL;
        axutil_qname_t *qmep = NULL;
        axis2_char_t *att_value = NULL;

        msg_recv_node = (axiom_node_t *)
            axiom_children_qname_iterator_next(msg_recvs, env);
        msg_recv_element = (axiom_element_t *)
            axiom_node_get_data_element(msg_recv_node, env);
        msg_recv = axis2_desc_builder_load_msg_recv(conf_builder->desc_builder,
            env, msg_recv_element);
        if (!msg_recv)
        {
            return AXIS2_FAILURE;
        }
        qmep = axutil_qname_create(env, AXIS2_MEP, NULL, NULL);
        mep_att = axiom_element_get_attribute(msg_recv_element, env, qmep);
        att_value = axiom_attribute_get_value(mep_att, env);
         axis2_conf_add_msg_recv(conf_builder->conf, env, att_value, msg_recv);
        axutil_qname_free(qmep, env);
    }

    /* processing Dispatching Order */
    qdisporder = axutil_qname_create(env, AXIS2_DISPATCH_ORDER, NULL, NULL);
    disp_order_element = axiom_element_get_first_child_with_qname(
        conf_element, env, qdisporder, conf_node, &disp_order_node);
    axutil_qname_free(qdisporder, env);
    if (disp_order_element)
    {
        axis2_conf_builder_process_disp_order(conf_builder, env, disp_order_node);
        AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "found the custom disptaching \
order and continue with that order");
    }
    else
    {
        status =  axis2_conf_set_default_dispatchers(conf_builder->conf, env);
        if (AXIS2_SUCCESS != status)
        {
            return AXIS2_FAILURE;
        }
        AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "no custom dispatching order \
found continue with default dispatching order");
    }

    /* Process Module refs */
    qmodulest = axutil_qname_create(env, AXIS2_MODULEST, NULL, NULL);
    module_itr = axiom_element_get_children_with_qname(conf_element, env,
        qmodulest, conf_node);
    axutil_qname_free(qmodulest, env);
    status = axis2_conf_builder_process_module_refs(conf_builder, env, module_itr);
    if (AXIS2_SUCCESS != status)
    {
        return AXIS2_FAILURE;
    }
    /* Proccessing Transport Sennders */
    qtransportsender = axutil_qname_create(env, AXIS2_TRANSPORTSENDER, NULL, NULL);
    trs_senders = axiom_element_get_children_with_qname(conf_element, env,
        qtransportsender, conf_node);
    axutil_qname_free(qtransportsender, env);
    axis2_conf_builder_process_transport_senders(conf_builder, env, trs_senders);

    /* Proccessing Transport Recivers */
    qtransportrecv = axutil_qname_create(env, AXIS2_TRANSPORTRECEIVER, NULL, NULL);
    trs_recvs = axiom_element_get_children_with_qname(conf_element, env,
        qtransportrecv, conf_node);
    axutil_qname_free(qtransportrecv, env);
    axis2_conf_builder_process_transport_recvs(conf_builder, env, trs_recvs);

    /* processing Phase orders */
    qphaseorder = axutil_qname_create(env, AXIS2_PHASE_ORDER, NULL, NULL);
    phase_orders = axiom_element_get_children_with_qname(conf_element, env,
        qphaseorder, conf_node);
    axutil_qname_free(qphaseorder, env);
    axis2_conf_builder_process_phase_orders(conf_builder, env, phase_orders);

    /* Processing default module versions */
    qdefmodver = axutil_qname_create(env, AXIS2_DEFAULT_MODULE_VERSION, NULL,
        NULL);
    def_mod_versions = axiom_element_get_children_with_qname(conf_element,
        env, qdefmodver, conf_node);
    axutil_qname_free(qdefmodver, env);
    if (def_mod_versions)
    {
        status = axis2_conf_builder_process_default_module_versions(conf_builder,
            env, def_mod_versions);
        if (AXIS2_FAILURE == status)
        {
            return AXIS2_FAILURE;
        }
    }

    param = axutil_param_container_get_param(
        axis2_conf_get_param_container(conf_builder->conf, env), 
        env, AXIS2_ENABLE_MTOM);
    if (param)
    {
        axis2_char_t *value = NULL;
        value = axutil_param_get_value(param, env);
        if (value)
        {
            axis2_conf_set_enable_mtom(conf_builder->conf, env, 
                (axutil_strcmp(value, AXIS2_VALUE_TRUE) == 0));
        }
    }
    
    return AXIS2_SUCCESS;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_conf_builder_process_module_refs(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *module_refs)
{
    axis2_status_t status = AXIS2_SUCCESS;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, module_refs, AXIS2_FAILURE);

    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(module_refs,
        env))
    {
        axiom_node_t *module_ref_node = NULL;
        axiom_element_t *module_ref_element = NULL;
        axutil_qname_t *qref = NULL;

        axiom_attribute_t *module_ref_att = NULL;
        module_ref_node = (axiom_node_t *)
            axiom_children_qname_iterator_next(module_refs, env);
        if (!module_ref_node)
        {
            return AXIS2_FAILURE;
        }
        module_ref_element = axiom_node_get_data_element(module_ref_node, env);
        qref = axutil_qname_create(env, AXIS2_REF, NULL, NULL);
        module_ref_att = axiom_element_get_attribute(module_ref_element, env,
            qref);
        if (qref)
        {
            axutil_qname_free(qref, env);
        }
        if (module_ref_att)
        {
            axutil_qname_t *qrefname = NULL;
            axis2_char_t *ref_name = NULL;

            ref_name = axiom_attribute_get_value(module_ref_att, env);
            AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "module %s found in axis2.xml",
                ref_name);
            qrefname = axutil_qname_create(env, ref_name, NULL, NULL);
            status = axis2_dep_engine_add_module(
                axis2_desc_builder_get_dep_engine(conf_builder->desc_builder, env),
                env, qrefname);
            if (qrefname)
            {
                axutil_qname_free(qrefname, env);
            }
        }
    }
    return status;
}

static axis2_status_t
axis2_conf_builder_process_disp_order(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_node_t *disp_order_node)
{
    axiom_element_t *disp_order_element = NULL;
    axiom_children_qname_iterator_t *disps = NULL;
    axutil_qname_t *qdisp = NULL;
    axis2_bool_t found_disp = AXIS2_FALSE;
    axis2_phase_t *disp_phase = NULL;
    int count = 0;
    axis2_bool_t qname_itr_has_next = AXIS2_FALSE;
    axis2_status_t status = AXIS2_FAILURE;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, disp_order_node, AXIS2_FAILURE);

    disp_order_element = axiom_node_get_data_element(disp_order_node, env);
    qdisp = axutil_qname_create(env, AXIS2_DISPATCHER, NULL, NULL);
    disps = axiom_element_get_children_with_qname(disp_order_element,
        env, qdisp, disp_order_node);
    axutil_qname_free(qdisp, env);
    disp_phase = axis2_phase_create(env, AXIS2_PHASE_DISPATCH);
    if (! disp_phase)
    {
        return AXIS2_FAILURE;
    }
    if (disps)
    {
        qname_itr_has_next = axiom_children_qname_iterator_has_next(disps,
            env);
    }
    while (AXIS2_TRUE == qname_itr_has_next)
    {
        axiom_node_t *disp_node = NULL;
        axiom_element_t *disp_element = NULL;
        axiom_attribute_t *disp_att = NULL;
        axis2_char_t *class_name = NULL;
        axis2_char_t *dll_name = NULL;
        axutil_qname_t *class_qname = NULL;
        axis2_disp_t *disp_dll = NULL;
        axutil_dll_desc_t *dll_desc = NULL;
        axutil_param_t *impl_info_param = NULL;
        axis2_handler_desc_t *handler_desc = NULL;
        axis2_handler_t *handler = NULL;

        found_disp = AXIS2_TRUE;
        disp_node = (axiom_node_t *)
            axiom_children_qname_iterator_next(disps, env);
        class_qname = axutil_qname_create(env, AXIS2_CLASSNAME, NULL, NULL);
        disp_att = axiom_element_get_attribute(disp_element, env, class_qname);
        axutil_qname_free(class_qname, env);
        if (!disp_att)
        {
            qname_itr_has_next = axiom_children_qname_iterator_has_next(disps,
                env);
            continue;
        }
        class_name = axiom_attribute_get_value(disp_att, env);
        dll_desc = axutil_dll_desc_create(env);
        dll_name =
            axutil_dll_desc_create_platform_specific_dll_name(dll_desc, env,
            class_name);
         axutil_dll_desc_set_name(dll_desc, env, dll_name);
         axutil_dll_desc_set_type(dll_desc, env, AXIS2_HANDLER_DLL);
        impl_info_param = axutil_param_create(env, class_name, NULL);
        if (!impl_info_param)
        {
             axis2_phase_free(disp_phase, env);
            return AXIS2_FAILURE;
        }
        axutil_param_set_value(impl_info_param, env, dll_desc);
        axutil_param_set_value_free(impl_info_param, env, 
            axutil_dll_desc_free_void_arg);
        axutil_class_loader_init(env);
        disp_dll = (axis2_disp_t *) axutil_class_loader_create_dll(env,
            impl_info_param);

        handler = axis2_disp_get_base(disp_dll, env);
        handler_desc = axis2_handler_get_handler_desc(handler, env);
        axis2_handler_desc_add_param(handler_desc, env, impl_info_param);

        axis2_phase_add_handler_at(disp_phase, env, count, handler);
        count ++;
        qname_itr_has_next = axiom_children_qname_iterator_has_next(disps,
            env);

    }

    if (AXIS2_TRUE != found_disp)
    {
         axis2_phase_free(disp_phase, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_DISPATCHER_FOUND,
            AXIS2_FAILURE);
        return AXIS2_FAILURE;
    }
    else
    {
        status =  axis2_conf_set_dispatch_phase(conf_builder->conf, env, disp_phase);
        if (AXIS2_SUCCESS != status)
        {
             axis2_phase_free(disp_phase, env);
            return status;
        }
    }
    return AXIS2_SUCCESS;
}

/**
 * To process all the phase orders which are defined in axis2.xml
 * @param phase_orders
 */
static axis2_status_t
axis2_conf_builder_process_phase_orders(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *phase_orders)
{
    axis2_phases_info_t *info = NULL;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, phase_orders, AXIS2_FAILURE);

    info = axis2_dep_engine_get_phases_info(
        axis2_desc_builder_get_dep_engine(conf_builder->desc_builder, env),
        env);
    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(phase_orders, env))
    {
        axiom_node_t *phase_orders_node = NULL;
        axiom_element_t *phase_orders_element = NULL;
        axiom_attribute_t *phase_orders_att = NULL;
        axutil_qname_t *qtype = NULL;
        axis2_char_t *flow_type = NULL;
        axutil_array_list_t *phase_list = NULL;

        phase_orders_node = (axiom_node_t *) axiom_children_qname_iterator_next(
                    phase_orders, env);
        if (phase_orders_node)
        {
            phase_orders_element = axiom_node_get_data_element(phase_orders_node,
                env);
        }
        if (phase_orders_element)
        {
            qtype = axutil_qname_create(env, AXIS2_TYPE, NULL, NULL);
            phase_orders_att = axiom_element_get_attribute(phase_orders_element,
                env, qtype);
            axutil_qname_free(qtype, env);
        }

        if (phase_orders_att)
        {
            flow_type = axiom_attribute_get_value(phase_orders_att, env);
        }

        phase_list = axis2_conf_builder_get_phase_list(conf_builder, env,
            phase_orders_node);
        if (!phase_list)
        {
            axis2_status_t status_code = AXIS2_FAILURE;
            status_code = AXIS2_ERROR_GET_STATUS_CODE(env->error);
            if (AXIS2_SUCCESS != status_code)
            {
                return status_code;
            }
            return AXIS2_SUCCESS;
        }
        if (flow_type && 0 == axutil_strcmp(AXIS2_IN_FLOW_START, flow_type))
        {
            axis2_phases_info_set_in_phases(info, env, phase_list);
        }
        else if (flow_type && 0 == axutil_strcmp(AXIS2_IN_FAILTFLOW, flow_type))
        {
            axis2_phases_info_set_in_faultphases(info, env, phase_list);
        }
        else if (flow_type && 0 == axutil_strcmp(AXIS2_OUT_FLOW_START, flow_type))
        {
            axis2_phases_info_set_out_phases(info, env, phase_list);
        }
        else if (flow_type && 0 == axutil_strcmp(AXIS2_OUT_FAILTFLOW, flow_type))
        {
            axis2_phases_info_set_out_faultphases(info, env, phase_list);
        }
    }
    return AXIS2_SUCCESS;
}


static axutil_array_list_t *
axis2_conf_builder_get_phase_list(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_node_t *phase_orders_node)
{
    axutil_array_list_t *phase_list = NULL;
    axiom_children_qname_iterator_t *phases = NULL;
    axutil_qname_t *qphase = NULL;
    axiom_element_t *phase_orders_element;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, phase_orders_node, AXIS2_FAILURE);

    phase_orders_element = axiom_node_get_data_element(phase_orders_node,
        env);
    if (!phase_orders_element)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_DATA_ELEMENT_IS_NULL,
            AXIS2_FAILURE);
        return NULL;
    }
    phase_list = axutil_array_list_create(env, 0);
    qphase = axutil_qname_create(env, AXIS2_PHASE, NULL, NULL);
    phases = axiom_element_get_children_with_qname(phase_orders_element, env,
        qphase, phase_orders_node);
    axutil_qname_free(qphase, env);
    if (!phases)
    {
        axutil_array_list_free(phase_list, env);
        return NULL;
    }

    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(phases, env))
    {
        axiom_node_t *phase_node = NULL;
        axiom_element_t *phase_element = NULL;
        axiom_attribute_t *phase_att = NULL;
        axutil_qname_t *qattname = NULL;
        axis2_char_t *att_value = NULL;

        phase_node = (axiom_node_t *) axiom_children_qname_iterator_next(
            phases, env);
        if (phase_node)
        {
            phase_element = (axiom_element_t*)axiom_node_get_data_element(
                phase_node, env);
        }

        qattname = axutil_qname_create(env, AXIS2_ATTNAME, NULL, NULL);
        if (phase_element)
        {
            phase_att = axiom_element_get_attribute(phase_element, env,
                qattname);
        }
        if (phase_att)
        {
            att_value = axiom_attribute_get_value(phase_att, env);
        }
        if (att_value)
        {
            axutil_array_list_add(phase_list, env, att_value);
        }

        axutil_qname_free(qattname, env);
    }
    return phase_list;
}

static axis2_status_t
axis2_conf_builder_process_transport_senders(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *trs_senders)
{
    axis2_status_t status = AXIS2_FAILURE;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, trs_senders, AXIS2_FAILURE);

    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(trs_senders,
        env))
    {
        axis2_transport_out_desc_t *transport_out = NULL;
        axiom_node_t *transport_node = NULL;
        axiom_element_t *transport_element = NULL;
        axiom_attribute_t *trs_name = NULL;
        axutil_qname_t *qattname = NULL;

        transport_node = (axiom_node_t *)
            axiom_children_qname_iterator_next(trs_senders, env);

        if (transport_node)
        {
            transport_element = (axiom_element_t*)
                axiom_node_get_data_element(transport_node, env);
            if (!transport_element)
            {
                return AXIS2_FAILURE;
            }
        }
        else
        {
            return AXIS2_FAILURE;
        }

        /* getting trsnport Name */
        qattname = axutil_qname_create(env, AXIS2_ATTNAME, NULL, NULL);
        if (transport_element)
        {
            trs_name = axiom_element_get_attribute(transport_element, env,
                qattname);
        }
        axutil_qname_free(qattname, env);
        if (trs_name)
        {
            axis2_char_t *name = NULL;
            axiom_attribute_t *trs_dll_att = NULL;
            axis2_char_t *dll_name = NULL;
            axis2_char_t *class_name = NULL;
            axiom_children_qname_iterator_t *itr = NULL;
            axutil_qname_t *qparamst = NULL;
            axutil_qname_t *qinflowst = NULL;
            axutil_qname_t *qoutflowst = NULL;
            axutil_qname_t *qinfaultflowst = NULL;
            axutil_qname_t *qoutfaultflowst = NULL;
            axutil_qname_t *qdllname = NULL;
            axiom_element_t *in_flow_element = NULL;
            axiom_node_t *in_flow_node = NULL;
            axiom_element_t *out_flow_element = NULL;
            axiom_node_t *out_flow_node = NULL;
            axiom_element_t *in_fault_flow_element = NULL;
            axiom_node_t *in_fault_flow_node = NULL;
            axiom_element_t *out_fault_flow_element = NULL;
            axiom_node_t *out_fault_flow_node = NULL;
            axutil_dll_desc_t *dll_desc = NULL;
            axutil_param_t *impl_info_param = NULL;
            void *transport_sender = NULL;
            axis2_char_t *path_qualified_dll_name = NULL;
            axis2_char_t *repos_name = NULL;
            axis2_char_t *temp_path = NULL;
            axis2_char_t *temp_path2 = NULL;
            axis2_char_t *temp_path3 = NULL;
            AXIS2_TRANSPORT_ENUMS transport_enum;

            name = axiom_attribute_get_value(trs_name, env);
            if (name)
            {
                if (axutil_strcmp(name, AXIS2_TRANSPORT_HTTP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_HTTP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_XMPP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_XMPP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_SMTP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_SMTP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_TCP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_TCP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_HTTPS) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_HTTPS;
                }
                else
                {
                    return AXIS2_FAILURE;
                }

                transport_out = axis2_transport_out_desc_create(env, transport_enum);
            }

            if (! transport_out)
            {
                return AXIS2_FAILURE;
            }

            /* transport impl class */
            qdllname = axutil_qname_create(env, AXIS2_CLASSNAME, NULL, NULL);
            trs_dll_att = axiom_element_get_attribute(transport_element, env,
                qdllname);
            axutil_qname_free(qdllname, env);
            if (! trs_dll_att)
            {
                AXIS2_ERROR_SET(env->error, AXIS2_ERROR_TRANSPORT_SENDER_ERROR,
                    AXIS2_FAILURE);
                return AXIS2_FAILURE;
            }
            class_name = axiom_attribute_get_value(trs_dll_att, env);
            impl_info_param = axutil_param_create(env, class_name, NULL);
            if (!impl_info_param)
            {
                axis2_transport_out_desc_free(transport_out, env);
                return AXIS2_FAILURE;
            }
            dll_desc = axutil_dll_desc_create(env);
            dll_name =
                 axutil_dll_desc_create_platform_specific_dll_name(dll_desc, env,
                     class_name);

            repos_name = axis2_dep_engine_get_repos_path(
                axis2_desc_builder_get_dep_engine(conf_builder->desc_builder, env),
                env);
            temp_path = axutil_stracat(env, repos_name, AXIS2_PATH_SEP_STR);
            temp_path2 = axutil_stracat(env, temp_path, AXIS2_LIB_FOLDER);
            temp_path3 = axutil_stracat(env, temp_path2, AXIS2_PATH_SEP_STR);
            path_qualified_dll_name = axutil_stracat(env, temp_path3, dll_name);
            AXIS2_FREE(env->allocator, temp_path);
            AXIS2_FREE(env->allocator, temp_path2);
            AXIS2_FREE(env->allocator, temp_path3);
            axutil_dll_desc_set_name(dll_desc, env, path_qualified_dll_name);
            AXIS2_FREE(env->allocator, path_qualified_dll_name);
            axutil_dll_desc_set_type(dll_desc, env, AXIS2_TRANSPORT_SENDER_DLL);
            axutil_param_set_value(impl_info_param, env, dll_desc);
            axutil_param_set_value_free(impl_info_param, env, 
                axutil_dll_desc_free_void_arg);
            axutil_class_loader_init(env);
            transport_sender = axutil_class_loader_create_dll(env, impl_info_param);
            axis2_transport_out_desc_add_param(transport_out, env,
                impl_info_param);
            status = axis2_transport_out_desc_set_sender(transport_out, env,
                transport_sender);
            if (AXIS2_SUCCESS != status)
            {
                axis2_transport_out_desc_free(transport_out, env);
                return status;
            }

            /* Process Parameters */
            /* Processing service level paramters */
            qparamst = axutil_qname_create(env, AXIS2_PARAMETERST, NULL, NULL);
            itr = axiom_element_get_children_with_qname(transport_element,
                env, qparamst, transport_node);
            axutil_qname_free(qparamst, env);
            status = axis2_desc_builder_process_params(conf_builder->desc_builder, env,
                itr,
                axis2_transport_out_desc_param_container(transport_out, env), 
                axis2_conf_get_param_container(conf_builder->conf, env));
            if (AXIS2_SUCCESS != status)
            {
                axis2_transport_out_desc_free(transport_out, env);
                return status;
            }
            /* process IN_FLOW */
            qinflowst = axutil_qname_create(env, AXIS2_IN_FLOW_START, NULL, NULL);
            in_flow_element = 
                axiom_element_get_first_child_with_qname(transport_element,
                    env, qinflowst, transport_node, &in_flow_node);
            axutil_qname_free(qinflowst, env);
            if (in_flow_element)
            {
                axis2_transport_out_desc_free(transport_out, env);
                AXIS2_ERROR_SET(env->error,
                    AXIS2_ERROR_IN_FLOW_NOT_ALLOWED_IN_TRS_OUT, AXIS2_FAILURE);
                return AXIS2_FAILURE;
            }
            qoutflowst = axutil_qname_create(env, AXIS2_OUT_FLOW_START, NULL, NULL);
            out_flow_element = 
                axiom_element_get_first_child_with_qname(transport_element,
                    env, qoutflowst, transport_node, &out_flow_node);
            axutil_qname_free(qoutflowst, env);
            if (out_flow_element)
            {
                axis2_flow_t *flow = NULL;

                flow = axis2_desc_builder_process_flow(conf_builder->desc_builder,
                    env, out_flow_element, 
                    axis2_conf_get_param_container(conf_builder->conf, env),
                    out_flow_node);
                status = axis2_transport_out_desc_set_out_flow(transport_out, env, flow);
                if (AXIS2_SUCCESS != status)
                {
                    axis2_transport_out_desc_free(transport_out, env);
                    return status;
                }
            }

            /* process IN FAULT FLOW */
            qinfaultflowst = axutil_qname_create(env, AXIS2_IN_FAILTFLOW, NULL,
                NULL);
            in_fault_flow_element = 
                axiom_element_get_first_child_with_qname(transport_element,
                    env, qinfaultflowst, transport_node,
                    &in_fault_flow_node);
            axutil_qname_free(qinfaultflowst, env);
            if (in_fault_flow_element)
            {
                axis2_transport_out_desc_free(transport_out, env);
                AXIS2_ERROR_SET(env->error,
                    AXIS2_ERROR_IN_FLOW_NOT_ALLOWED_IN_TRS_OUT, AXIS2_FAILURE);
                return AXIS2_FAILURE;
            }

            qoutfaultflowst = axutil_qname_create(env, AXIS2_OUT_FAILTFLOW, NULL,
                NULL);
            out_fault_flow_element = 
                axiom_element_get_first_child_with_qname(transport_element,
                    env, qoutfaultflowst, transport_node,
                    &out_fault_flow_node);
            axutil_qname_free(qoutfaultflowst, env);
            if (out_fault_flow_element)
            {
                axis2_flow_t *flow = NULL;

                flow = axis2_desc_builder_process_flow(conf_builder->desc_builder,
                    env, out_fault_flow_element, 
                    axis2_conf_get_param_container(conf_builder->conf, env),
                    out_fault_flow_node);
                status = axis2_transport_out_desc_set_fault_out_flow(transport_out,
                    env, flow);
                if (AXIS2_SUCCESS != status)
                {
                    axis2_transport_out_desc_free(transport_out, env);
                    return status;
                }
            }

            /* adding to axis config */
            status =  axis2_conf_add_transport_out(conf_builder->conf, env,
                transport_out, transport_enum);
            if (AXIS2_SUCCESS != status)
            {
                axis2_transport_out_desc_free(transport_out, env);
                return status;
            }
        }
    }

    return AXIS2_SUCCESS;
}


static axis2_status_t
axis2_conf_builder_process_transport_recvs(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *trs_recvs)
{
    axis2_status_t status = AXIS2_FAILURE;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, trs_recvs, AXIS2_FAILURE);

    while (AXIS2_TRUE == axiom_children_qname_iterator_has_next(trs_recvs,
        env))
    {
        axis2_transport_in_desc_t *transport_in = NULL;
        axiom_node_t *transport_node = NULL;
        axiom_element_t *transport_element = NULL;
        axiom_attribute_t *trs_name = NULL;
        axutil_qname_t *qattname = NULL;

        transport_node = (axiom_node_t *)
            axiom_children_qname_iterator_next(trs_recvs, env);
        if (transport_node)
        {
            transport_element = axiom_node_get_data_element(transport_node,
                env);
            if (!transport_element)
            {
                return AXIS2_FAILURE;
            }
        }
        else
        {
            return AXIS2_FAILURE;
        }

        /* getting transport Name */
        qattname = axutil_qname_create(env, AXIS2_ATTNAME, NULL, NULL);
        trs_name = axiom_element_get_attribute(transport_element, env,
            qattname);
        axutil_qname_free(qattname, env);

        if (trs_name)
        {
            axis2_char_t *name = NULL;
            axiom_attribute_t *trs_class_name = NULL;
            axiom_children_qname_iterator_t *itr = NULL;
            axutil_qname_t *class_qname = NULL;
            axutil_qname_t *qparamst = NULL;
            axutil_qname_t *qinflowst = NULL;
            axutil_qname_t *qoutflowst = NULL;
            axutil_qname_t *qinfaultflowst = NULL;
            axutil_qname_t *qoutfaultflowst = NULL;
            axiom_element_t *in_flow_element = NULL;
            axiom_node_t *in_flow_node = NULL;
            axiom_element_t *out_flow_element = NULL;
            axiom_node_t *out_flow_node = NULL;
            axiom_element_t *in_fault_flow_element = NULL;
            axiom_node_t *in_fault_flow_node = NULL;
            axiom_element_t *out_fault_flow_element = NULL;
            axiom_node_t *out_fault_flow_node = NULL;
            AXIS2_TRANSPORT_ENUMS transport_enum;

            name = axiom_attribute_get_value(trs_name, env);
            if (name)
            {
                if (axutil_strcmp(name, AXIS2_TRANSPORT_HTTP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_HTTP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_XMPP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_XMPP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_SMTP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_SMTP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_TCP) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_TCP;
                }
                else if (axutil_strcmp(name, AXIS2_TRANSPORT_HTTPS) == 0)
                {
                    transport_enum = AXIS2_TRANSPORT_ENUM_HTTPS;
                }
                else
                {
                    return AXIS2_FAILURE;
                }

                transport_in = axis2_transport_in_desc_create(env,
                    transport_enum);
            }
            if (!transport_in)
            {
                return AXIS2_FAILURE;
            }

            /* transport impl class */
            class_qname = axutil_qname_create(env, AXIS2_CLASSNAME, NULL, NULL);
            trs_class_name = axiom_element_get_attribute(transport_element, env,
                class_qname);
            axutil_qname_free(class_qname, env);

            if (trs_class_name)
            {
                axis2_char_t *class_name = NULL;
                axis2_char_t *dll_name = NULL;
                axutil_dll_desc_t *dll_desc = NULL;
                axutil_param_t *impl_info_param = NULL;
                axis2_transport_receiver_t *recv = NULL;
                axis2_status_t stat = AXIS2_FAILURE;
                axis2_char_t *path_qualified_dll_name = NULL;
                axis2_char_t *repos_name = NULL;
                axis2_char_t *temp_path = NULL;
                axis2_char_t *temp_path2 = NULL;
                axis2_char_t *temp_path3 = NULL;

                class_name = axiom_attribute_get_value(trs_class_name, env);
                impl_info_param = axutil_param_create(env, class_name, NULL);
                dll_desc = axutil_dll_desc_create(env);
                dll_name =
                    axutil_dll_desc_create_platform_specific_dll_name(dll_desc,
                        env, class_name);

                repos_name = axis2_dep_engine_get_repos_path(
                    axis2_desc_builder_get_dep_engine(conf_builder->desc_builder, env),
                    env);
                temp_path = axutil_stracat(env, repos_name, AXIS2_PATH_SEP_STR);
                temp_path2 = axutil_stracat(env, temp_path, AXIS2_LIB_FOLDER);
                temp_path3 = axutil_stracat(env, temp_path2, AXIS2_PATH_SEP_STR);
                path_qualified_dll_name = axutil_stracat(env, temp_path3, dll_name);
                AXIS2_FREE(env->allocator, temp_path);
                AXIS2_FREE(env->allocator, temp_path2);
                AXIS2_FREE(env->allocator, temp_path3);

                axutil_dll_desc_set_name(dll_desc, env, path_qualified_dll_name);
                AXIS2_FREE(env->allocator, path_qualified_dll_name);
                axutil_dll_desc_set_type(dll_desc, env, AXIS2_TRANSPORT_RECV_DLL);

                axutil_param_set_value(impl_info_param, env, dll_desc);
                axutil_param_set_value_free(impl_info_param, env, 
                    axutil_dll_desc_free_void_arg);
                axutil_class_loader_init(env);
                recv = (axis2_transport_receiver_t *)
                    axutil_class_loader_create_dll(env, impl_info_param);
                axis2_transport_in_desc_add_param(transport_in, env,
                    impl_info_param);
                stat = axis2_transport_in_desc_set_recv(transport_in, env,
                    recv);
            }

            /* process Parameters */
            /* processing Paramters */
            /* Processing service level paramters */
            qparamst = axutil_qname_create(env, AXIS2_PARAMETERST, NULL, NULL);
            itr = axiom_element_get_children_with_qname(transport_element,
                env, qparamst, transport_node);
            axutil_qname_free(qparamst, env);
            status = axis2_desc_builder_process_params(conf_builder->desc_builder, env,
                itr, 
                axis2_transport_in_desc_param_container(transport_in, env),
                axis2_conf_get_param_container(conf_builder->conf, env));
            if (AXIS2_SUCCESS != status)
            {
                axis2_transport_in_desc_free(transport_in, env);
                return status;
            }
            /* process OUT_FLOW */
            qoutflowst = axutil_qname_create(env, AXIS2_OUT_FLOW_START, NULL, NULL);
            out_flow_element = axiom_element_get_first_child_with_qname(transport_element,
                env, qoutflowst, transport_node, &out_flow_node);
            axutil_qname_free(qoutflowst, env);
            if (out_flow_element)
            {
                axis2_transport_in_desc_free(transport_in, env);
                AXIS2_ERROR_SET(env->error,
                    AXIS2_ERROR_OUT_FLOW_NOT_ALLOWED_IN_TRS_IN, AXIS2_FAILURE);
                return AXIS2_FAILURE;
            }

            qinflowst = axutil_qname_create(env, AXIS2_IN_FLOW_START, NULL, NULL);
            in_flow_element = axiom_element_get_first_child_with_qname(
                transport_element, env, qinflowst, transport_node, &in_flow_node);
            axutil_qname_free(qinflowst, env);
            if (in_flow_element)
            {
                axis2_flow_t *flow = NULL;

                flow = axis2_desc_builder_process_flow(conf_builder->desc_builder,
                    env, in_flow_element,
                    axis2_conf_get_param_container(conf_builder->conf, env),
                    in_flow_node);
                status = axis2_transport_in_desc_set_in_flow(transport_in, env,
                    flow);
                if (AXIS2_SUCCESS != status)
                {
                    axis2_transport_in_desc_free(transport_in, env);
                    return status;
                }
            }

            qinfaultflowst = axutil_qname_create(env, AXIS2_IN_FAILTFLOW, NULL,
                NULL);
            in_fault_flow_element = 
                axiom_element_get_first_child_with_qname(transport_element,
                    env, qinfaultflowst, transport_node,
                    &in_fault_flow_node);
            axutil_qname_free(qinfaultflowst, env);
            if (in_fault_flow_element)
            {
                axis2_flow_t *flow = NULL;

                flow = axis2_desc_builder_process_flow(conf_builder->desc_builder,
                    env, in_fault_flow_element, 
                    axis2_conf_get_param_container(conf_builder->conf, env),
                    in_fault_flow_node);
                status = axis2_transport_in_desc_set_fault_in_flow(transport_in,
                    env, flow);
                if (AXIS2_SUCCESS != status)
                {
                    axis2_transport_in_desc_free(transport_in, env);
                    return status;
                }
            }

            qoutfaultflowst = axutil_qname_create(env, AXIS2_OUT_FAILTFLOW, NULL,
                NULL);
            out_fault_flow_element = axiom_element_get_first_child_with_qname(
                transport_element, env, qoutfaultflowst, transport_node,
                &out_fault_flow_node);
            if (out_fault_flow_element)
            {
                AXIS2_ERROR_SET(env->error,
                    AXIS2_ERROR_OUT_FLOW_NOT_ALLOWED_IN_TRS_IN, AXIS2_FAILURE);
                return AXIS2_FAILURE;
            }

            /* adding to axis config */
            status =  axis2_conf_add_transport_in(conf_builder->conf, env,
                transport_in, transport_enum);
            if (AXIS2_SUCCESS != status)
            {
                axis2_transport_in_desc_free(transport_in, env);
                return status;
            }

            axutil_qname_free(qoutfaultflowst, env);

        }
    }
    return AXIS2_SUCCESS;
}

static axis2_status_t AXIS2_CALL
axis2_conf_builder_process_default_module_versions(axis2_conf_builder_t *conf_builder,
    const axutil_env_t *env,
    axiom_children_qname_iterator_t *module_versions)
{
    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, module_versions, AXIS2_FAILURE);

    while (axiom_children_qname_iterator_has_next(module_versions, env))
    {
        axiom_element_t *om_element = NULL;
        axis2_char_t *name = NULL;
        axis2_char_t *default_version = NULL;
        axutil_qname_t *attribute_qname = NULL;

        om_element = (axiom_element_t *)
            axiom_children_qname_iterator_next(module_versions, env);
        if (! om_element)
        {
            continue;
        }
        attribute_qname = axutil_qname_create(env, AXIS2_ATTNAME, NULL, NULL);
        if (! attribute_qname)
        {
            continue;
        }
        name = axiom_element_get_attribute_value(om_element, env,
            attribute_qname);
        axutil_qname_free(attribute_qname, env);
        attribute_qname = NULL;
        if (! name)
        {
            return AXIS2_FAILURE;
        }
        attribute_qname = axutil_qname_create(env,
            AXIS2_ATTRIBUTE_DEFAULT_VERSION, NULL, NULL);
        if (! attribute_qname)
        {
            continue;
        }
        default_version = axiom_element_get_attribute_value(om_element, env,
            attribute_qname);
        axutil_qname_free(attribute_qname, env);
        attribute_qname = NULL;
        if (! default_version)
        {
            return AXIS2_FAILURE;
        }
         axis2_conf_add_default_module_version(conf_builder->conf, 
             env, name, default_version);
    }
    return AXIS2_SUCCESS;
}