/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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.
 */
 
 #ifndef AXIS2_SOAP_HEADER_H
 #define AXIS2_SOAP_HEADER_H
 
   /**
    * @file axis2_soap_header.h
    * @brief axis2_soap_header struct
    */
#include <axis2_env.h>
#include <axis2_om_node.h>
#include <axis2_om_element.h>
#include <axis2_array_list.h>
#include <axis2_om_children_qname_iterator.h>
#include <axis2_om_children_with_specific_attribute_iterator.h>
#include <axis2_hash.h>
#include <axis2_soap_envelope.h>

#ifdef __cplusplus
extern "C"
{
#endif
    
typedef struct axis2_soap_header  axis2_soap_header_t;
typedef struct axis2_soap_header_ops    axis2_soap_header_ops_t;

struct axis2_soap_header_block;   
struct axis2_soap_builder; 

    
/**
 * @defgroup axis2_soap_header
 * @ingroup axis2_soap
 * @{
 */

/**
 *   \brief soap_header operations struct
 *   ops Encapsulator struct of axis2_soap header
 */
 AXIS2_DECLARE_DATA   struct axis2_soap_header_ops
    {
      /**
        * Free an axis2_soap_header
        * @param  header pointer to soap_header struct
        * @param  env Environment. MUST NOT be NULL
        * @return satus of the op. AXIS2_SUCCESS on success 
        *         else AXIS2_FAILURE
        */
        axis2_status_t (AXIS2_CALL *free_fn)(axis2_soap_header_t *header,
                                             axis2_env_t **env);
                                             
       /**
        * create a new axis2_soap_header_block_t struct initialized  with the
        * specified name and adds it to passed axis2_soap_header_t struct.
        * @param env environment must not be null
        * @param localName
        * @param ns
        * @return The newly created axis2_soap_header_block_t struct
        */
        struct axis2_soap_header_block* (AXIS2_CALL *add_header_block)
                                        (axis2_soap_header_t* header,
                                         axis2_env_t **env,
                                         axis2_char_t *localname,
                                         axis2_om_namespace_t *ns); 
        /**
        * returns a hash_table of all the soap_header_block_t  struct in this
        * soap_header_t  object that have the the specified actor. An
        * actor is a global attribute that indicates the intermediate parties to
        * whom the message should be sent. An actor receives the message and then
        * sends it to the next actor. The default actor is the ultimate intended
        * recipient for the message, so if no actor attribute is set in a
        * axis2_soap_header_t struct the message is sent to its ultimate
        * destination.
        */
        axis2_hash_t* (AXIS2_CALL *examine_header_blocks)
                                        (axis2_soap_header_t* header,
                                         axis2_env_t **env,
                                         axis2_char_t* param_role);
       /**
        * returns an arraylist of header_blocks which has a given namesapce uri
        * @param header 
        * @param env environment must not be null
        * @param ns_uri namespace uri 
        * @return pointer to axis2_array_list_t, or null if no header_blocks with
        * given namespace uri exists
        * The returned array_list must be freed by the user.
        */
        axis2_array_list_t* (AXIS2_CALL *get_header_blocks_with_namespace_uri)
                                        (axis2_soap_header_t* header,
                                         axis2_env_t **env,
                                         axis2_char_t *ns_uri);
       /**
        * returns an iterator to iterate through all soap header block's om nodes 
        * @param header 
        * @param env environment
        * @returns axis2_om_children_qname_iterator_t or null if no header blocks 
        * present
        */
        axis2_om_children_qname_iterator_t* (AXIS2_CALL *examine_all_header_blocks)
                                        (axis2_soap_header_t* header,
                                         axis2_env_t **env);
       /**
        * returns an iterator to iterate through all  header blocks om_nodes 
        * with the matching role attribute
        * @param header soap_header
        * @param env environment 
        * @param role 
        * @returns iterator or null if no header blocks present with matching 
        * role attribute
        */
        axis2_om_children_with_specific_attribute_iterator_t *
            (AXIS2_CALL *extract_header_blocks)(axis2_soap_header_t *header,
                                                axis2_env_t **env,
                                                axis2_char_t *role);
                                             
                                            
                                         
       /**
        * This is intended to be used by the builder,
        * do not use this function in other places
        */
        axis2_status_t (AXIS2_CALL *set_base_node)
                                            (axis2_soap_header_t *header,
                                             axis2_env_t **env,
                                             axis2_om_node_t *node);
       /**
        * returns the axis2_om_node_t struct wrapped in soap_header
        * @param header soap_header_t
        * @param env environment must not be null
        * @return axis2_om_node_t
        */
        axis2_om_node_t* (AXIS2_CALL *get_base_node)
                                            (axis2_soap_header_t *header,
                                             axis2_env_t **env);
        
        /**
         *  return the soap_version of this soap_header
         *  @param header soap_header
         *  @param env environment must not be null
         *  @return AXIS2_SOAP11 or AXIS2_SOAP12
         */
        int  (AXIS2_CALL *get_soap_version) (axis2_soap_header_t *header,
                                             axis2_env_t **env);
       /** 
        * sets the soap version for this soap_header
        * @param soap_version AXIS2_SOAP12 or AXIS2_SOAP11
        */
                                             
        axis2_status_t (AXIS2_CALL *set_soap_version)
                                            (axis2_soap_header_t *header,
                                             axis2_env_t **env,
                                             int soap_version); 
                                             
        axis2_status_t (AXIS2_CALL *set_header_block)
                                            (axis2_soap_header_t *header,
                                             axis2_env_t **env,
                                             struct axis2_soap_header_block* header_block);                                                                                                                                                                                                                                                   
        
        axis2_status_t (AXIS2_CALL *set_builder)(axis2_soap_header_t *header,
                                                axis2_env_t **env,
                                                struct axis2_soap_builder* builder);

        axis2_hash_t* (AXIS2_CALL *get_all_header_blocks)(axis2_soap_header_t *header,
                                                          axis2_env_t **env);                                                
                                         
    };

  /**
    * \brief soap_header struct
    * represent a soap_header
    */
    struct axis2_soap_header
    {
        /** operation of axis2_soap_header struct */
        axis2_soap_header_ops_t *ops;
       
    };

  /**
    * creates a soap struct 
    * @param env Environment. MUST NOT be NULL
    */
AXIS2_DECLARE(axis2_soap_header_t *)
axis2_soap_header_create(axis2_env_t **env);

    
AXIS2_DECLARE(axis2_soap_header_t *)
axis2_soap_header_create_with_parent(axis2_env_t **env,
                                     struct axis2_soap_envelope *envelope);
                                     
AXIS2_DECLARE(axis2_soap_header_t *)
axis2_soap11_header_create_with_parent(axis2_env_t **env,
                                     axis2_soap_envelope_t *envelope);
                                     
AXIS2_DECLARE(axis2_soap_header_t *)
axis2_soap12_header_create_with_parent(axis2_env_t **env,
                                     axis2_soap_envelope_t *envelope);                                                                          
                            
/******************** Macros **************************************************/
    
    
/** free soap_header */
#define AXIS2_SOAP_HEADER_FREE(header , env) \
        ((header)->ops->free_fn(header, env))

#define AXIS2_SOAP_HEADER_ADD_HEADER_BLOCK(header, env, localname, ns) \
        ((header)->ops->add_header_block(header, env, localname, ns))
        
#define AXIS2_SOAP_HEADER_EXAMINE_HEADER_BLOCKS(header, env, param_role) \
        ((header)->ops->examine_header_blocks(header, env, param_role))

#define AXIS2_SOAP_HEADER_EXAMINE_ALL_HEADER_BLOCKS(header, env) \
        ((header)->ops->examine_all_header_blocks(header, env))
        
#define AXIS2_SOAP_HEADER_EXTRACT_HEADER_BLOCKS(header, env, role) \
        ((header)->ops->extract_header_blocks(header, env, role))                        

#define AXIS2_SOAP_HEADER_SET_BASE_NODE(header, env, node) \
        ((header)->ops->set_base_node(header, env, node))
        
#define AXIS2_SOAP_HEADER_GET_BASE_NODE(header, env) \
        ((header)->ops->get_base_node(header, env)) 
        
#define AXIS2_SOAP_HEADER_SET_SOAP_VERSION(header, env, version) \
        ((header)->ops->set_soap_version(header, env, version))
        
#define AXIS2_SOAP_HEADER_GET_SOAP_VERSION(header, env) \
        ((header)->ops->get_soap_version(header, env))
        
#define AXIS2_SOAP_HEADER_SET_HEADER_BLOCK(header, env, header_block) \
        ((header)->ops->set_header_block(header, env, header_block))   

#define AXIS2_SOAP_HEADER_SET_BUILDER(header, env, builder) \
        ((header)->ops->set_builder(header, env, builder))             

#define AXIS2_SOAP_HEADER_GET_HEADER_BLOCKS_WITH_NAMESPACE_URI(header, env, uri)\
        ((header)->ops->get_header_blocks_with_namespace_uri(header, env, uri))

#define AXIS2_SOAP_HEADER_GET_ALL_HEADER_BLOCKS(header, env) \
        ((header)->ops->get_all_header_blocks(header, env))
/** @} */

#ifdef __cplusplus
}
#endif

 
#endif /* AXIS2_SOAP_HEADER_H */