src/omxmlsec/tokens/token_offset.c

/*
 * 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 <oxs_tokens.h>

AXIS2_EXTERN int AXIS2_CALL
oxs_token_get_offset_value(
    const axutil_env_t *env,
    axiom_node_t *offset_node)
{
    axis2_char_t *value = NULL;
    int offset = -1;
    value = (axis2_char_t*)oxs_axiom_get_node_content(env, offset_node);
    offset = axutil_atoi(value);
    return offset;
}

/**
 * Creates <wsc:Offset> element
 */
AXIS2_EXTERN axiom_node_t* AXIS2_CALL
oxs_token_build_offset_element(
    const axutil_env_t *env,
    axiom_node_t *parent,
    int offset, 
    axis2_char_t *wsc_ns_uri)
{
    axiom_node_t *offset_node = NULL;
    axiom_element_t *offset_ele = NULL;
    axis2_status_t ret;
    axiom_namespace_t *ns_obj = NULL;
    axis2_char_t* offset_val = NULL;

    if(!wsc_ns_uri)
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, 
            "[rampart]Error creating %s Token element. SecConv namespace uri is not valid.", 
            OXS_NODE_OFFSET);
        return NULL;
    }

    ns_obj = axiom_namespace_create(env, wsc_ns_uri, OXS_WSC);
    offset_ele = axiom_element_create(env, parent, OXS_NODE_OFFSET, ns_obj, &offset_node);
    if (!offset_ele)
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, 
            "[rampart]Error creating %s Token element.", OXS_NODE_OFFSET);
        axiom_namespace_free(ns_obj, env);
        return NULL;
    }

    if(offset > -1)
    {
        offset_val = (axis2_char_t *) AXIS2_MALLOC(env->allocator, sizeof(axis2_char_t) * 32);
        sprintf(offset_val, "%d", offset );
    }

    if (offset_val)
    {
        ret  = axiom_element_set_text(offset_ele, env, offset_val, offset_node);
		AXIS2_FREE(env->allocator, offset_val);
    }

    return offset_node;
}