Moving axis svn, part of TLP move INFRA-2441

git-svn-id: http://svn.apache.org/repos/asf/axis/axis2/c/core/trunk@909681 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 446 insertions, 0 deletions

diff --git a/neethi/src/policy.c b/neethi/src/policy.c
new file mode 100644
index 0000000..af08222
--- /dev/null
+++ b/neethi/src/policy.c
@@ -0,0 +1,446 @@
+/*
+ * 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 <neethi_policy.h>
+#include <neethi_engine.h>
+#include <axiom_attribute.h>
+
+struct neethi_policy_t
+{
+    /* Contains the child components */
+    axutil_array_list_t *policy_components;
+
+    /* A wsp:Policy element can have any number of attributes
+     * This has will store those */
+    axutil_hash_t *attributes;
+
+    /* This is the node containing the policy */
+    axiom_node_t *root_node;
+};
+
+static void
+neethi_policy_clear_attributes(
+    axutil_hash_t *attributes,
+    const axutil_env_t *env);
+
+/* Creates a neethi_policy object */
+AXIS2_EXTERN neethi_policy_t *AXIS2_CALL
+neethi_policy_create(
+    const axutil_env_t * env)
+{
+    neethi_policy_t *neethi_policy = NULL;
+
+    AXIS2_ENV_CHECK(env, NULL);
+
+    neethi_policy = (neethi_policy_t *)AXIS2_MALLOC(env->allocator, sizeof(neethi_policy_t));
+
+    if(neethi_policy == NULL)
+    {
+        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
+        return NULL;
+    }
+    neethi_policy->policy_components = NULL;
+
+    neethi_policy->policy_components = axutil_array_list_create(env, 0);
+    if(!(neethi_policy->policy_components))
+    {
+        neethi_policy_free(neethi_policy, env);
+        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
+        return NULL;
+    }
+    neethi_policy->attributes = axutil_hash_make(env);
+    neethi_policy->root_node = NULL;
+
+    return neethi_policy;
+}
+
+/* Deallocate the memory for the neethi_policy object */
+AXIS2_EXTERN void AXIS2_CALL
+neethi_policy_free(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    if(neethi_policy)
+    {
+        /* We first remove the component list */
+
+        if(neethi_policy->policy_components)
+        {
+            int i = 0;
+            int size = 0;
+
+            size = axutil_array_list_size(neethi_policy->policy_components, env);
+
+            for(i = 0; i < size; i++)
+            {
+                neethi_operator_t *operator = NULL;
+                operator = (neethi_operator_t *)axutil_array_list_get(
+                    neethi_policy->policy_components, env, i);
+                if(operator)
+                {
+                    neethi_operator_free(operator, env);
+                }
+                operator = NULL;
+            }
+            axutil_array_list_free(neethi_policy->policy_components, env);
+            neethi_policy->policy_components = NULL;
+        }
+        if(neethi_policy->attributes)
+        {
+            neethi_policy_clear_attributes(neethi_policy->attributes, env);
+            neethi_policy->attributes = NULL;
+        }
+        if(neethi_policy->root_node)
+        {
+            axiom_node_free_tree(neethi_policy->root_node, env);
+            neethi_policy->root_node = NULL;
+        }
+        AXIS2_FREE(env->allocator, neethi_policy);
+        neethi_policy = NULL;
+    }
+    return;
+}
+
+/* This will free the attribute hash and its content.*/
+static void
+neethi_policy_clear_attributes(
+    axutil_hash_t *attributes,
+    const axutil_env_t *env)
+{
+    if(attributes)
+    {
+        axutil_hash_index_t *hi = NULL;
+        void *val = NULL;
+        const void *key = NULL;
+
+        for(hi = axutil_hash_first(attributes, env); hi; hi = axutil_hash_next(env, hi))
+        {
+            axutil_hash_this(hi, &key, NULL, &val);
+
+            if(key)
+            {
+                AXIS2_FREE(env->allocator, (axis2_char_t *)key);
+                key = NULL;
+            }
+
+            if(val)
+            {
+                AXIS2_FREE(env->allocator, (axis2_char_t *)val);
+                val = NULL;
+            }
+        }
+        axutil_hash_free(attributes, env);
+        attributes = NULL;
+    }
+}
+/* Implementations */
+AXIS2_EXTERN axutil_array_list_t *AXIS2_CALL
+neethi_policy_get_policy_components(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    return neethi_policy->policy_components;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+neethi_policy_add_policy_components(
+    neethi_policy_t *neethi_policy,
+    axutil_array_list_t *arraylist,
+    const axutil_env_t *env)
+{
+    int size = axutil_array_list_size(arraylist, env);
+    int i = 0;
+
+    if(axutil_array_list_ensure_capacity(neethi_policy->policy_components, env, size + 1)
+        != AXIS2_SUCCESS)
+    {
+        return AXIS2_FAILURE;
+    }
+
+    for(i = 0; i < size; i++)
+    {
+        void *value = NULL;
+        value = axutil_array_list_get(arraylist, env, i);
+        /* The ref count is incremented in order to prevent double frees.*/
+        neethi_operator_increment_ref((neethi_operator_t *)value, env);
+        axutil_array_list_add(neethi_policy->policy_components, env, value);
+    }
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+neethi_policy_add_operator(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env,
+    neethi_operator_t *operator)
+{
+    neethi_operator_increment_ref(operator, env);
+    axutil_array_list_add(neethi_policy->policy_components, env, operator);
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_bool_t AXIS2_CALL
+neethi_policy_is_empty(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    return axutil_array_list_is_empty(neethi_policy->policy_components, env);
+}
+
+/* A normalized policy always has just one child and it is an exactlyone
+ * first child. So this method */
+AXIS2_EXTERN neethi_exactlyone_t *AXIS2_CALL
+neethi_policy_get_exactlyone(
+    neethi_policy_t *normalized_neethi_policy,
+    const axutil_env_t *env)
+{
+    neethi_exactlyone_t *exactlyone = NULL;
+    axutil_array_list_t *list = NULL;
+
+    list = neethi_policy_get_policy_components(normalized_neethi_policy, env);
+    if(list)
+    {
+        if(axutil_array_list_size(list, env) == 1)
+        {
+            neethi_operator_t *op = NULL;
+            op = (neethi_operator_t *)axutil_array_list_get(list, env, 0);
+            if(!op)
+            {
+                return NULL;
+            }
+            if(neethi_operator_get_type(op, env) != OPERATOR_TYPE_EXACTLYONE)
+            {
+                return NULL;
+            }
+            exactlyone = (neethi_exactlyone_t *)neethi_operator_get_value(op, env);
+            return exactlyone;
+        }
+        else
+            return NULL;
+    }
+    else
+        return NULL;
+}
+
+/* This function is called for a normalized policy So it will return the components of the only
+ * child. That should be an exactlyone The children of that exactlyone are all.*/
+AXIS2_EXTERN axutil_array_list_t *AXIS2_CALL
+neethi_policy_get_alternatives(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    neethi_exactlyone_t *exactlyone = NULL;
+    exactlyone = neethi_policy_get_exactlyone(neethi_policy, env);
+    if(!exactlyone)
+        return NULL;
+
+    return neethi_exactlyone_get_policy_components(exactlyone, env);
+
+}
+
+/* This will return any attribute which has the local name of Name */
+AXIS2_EXTERN axis2_char_t *AXIS2_CALL
+neethi_policy_get_name(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    if(neethi_policy->attributes)
+    {
+        axutil_qname_t *qname = NULL;
+        axis2_char_t *name = NULL;
+        qname = axutil_qname_create(env, NEETHI_NAME, NULL, NULL);
+
+        if(qname)
+        {
+            axis2_char_t *key = axutil_qname_to_string(qname, env);
+            if(key)
+            {
+                name = (axis2_char_t *)axutil_hash_get(neethi_policy->attributes, key,
+                    AXIS2_HASH_KEY_STRING);
+            }
+            axutil_qname_free(qname, env);
+            qname = NULL;
+            return name;
+        }
+        else
+        {
+            return NULL;
+        }
+    }
+    else
+    {
+        return NULL;
+    }
+}
+
+/* This method will return the attribute value of wsu:Id if there are any such attributes */
+AXIS2_EXTERN axis2_char_t *AXIS2_CALL
+neethi_policy_get_id(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    if(neethi_policy->attributes)
+    {
+        axis2_char_t *id = NULL;
+        axutil_qname_t *qname = NULL;
+        qname = axutil_qname_create(env, NEETHI_ID, NEETHI_WSU_NS, NULL);
+
+        if(qname)
+        {
+            axis2_char_t *key = axutil_qname_to_string(qname, env);
+            if(key)
+            {
+                id = (axis2_char_t *)axutil_hash_get(neethi_policy->attributes, key,
+                    AXIS2_HASH_KEY_STRING);
+            }
+            axutil_qname_free(qname, env);
+            qname = NULL;
+            return id;
+        }
+        else
+        {
+            return NULL;
+        }
+    }
+    else
+    {
+        return NULL;
+    }
+}
+
+/* When we encounter an attribute with wsu:Id we will store it in the hash. We are not
+ * considering the prefix. Just the namespace and the local_name. */
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+neethi_policy_set_id(
+    neethi_policy_t * neethi_policy,
+    const axutil_env_t * env,
+    axis2_char_t * id)
+{
+    axutil_qname_t *qname = NULL;
+    axis2_char_t *key = NULL;
+
+    qname = axutil_qname_create(env, NEETHI_ID, NEETHI_WSU_NS, NULL);
+
+    if(qname)
+    {
+        key = axutil_qname_to_string(qname, env);
+        if(key)
+        {
+            axutil_hash_set(neethi_policy->attributes, axutil_strdup(env, key),
+                AXIS2_HASH_KEY_STRING, axutil_strdup(env, id));
+        }
+        axutil_qname_free(qname, env);
+        return AXIS2_SUCCESS;
+    }
+    else
+    {
+        return AXIS2_FAILURE;
+    }
+}
+
+/* When we encounter an attribute with Name we will store it in the hash. This has no Namespace.*/
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+neethi_policy_set_name(
+    neethi_policy_t * neethi_policy,
+    const axutil_env_t * env,
+    axis2_char_t * name)
+{
+    axutil_qname_t *qname = NULL;
+    axis2_char_t *key = NULL;
+
+    qname = axutil_qname_create(env, NEETHI_NAME, NULL, NULL);
+
+    if(qname)
+    {
+        key = axutil_qname_to_string(qname, env);
+        if(key)
+        {
+            axutil_hash_set(neethi_policy->attributes, axutil_strdup(env, key),
+                AXIS2_HASH_KEY_STRING, axutil_strdup(env, name));
+        }
+        axutil_qname_free(qname, env);
+        return AXIS2_SUCCESS;
+    }
+    else
+    {
+        return AXIS2_FAILURE;
+    }
+}
+
+AXIS2_EXTERN axutil_hash_t *AXIS2_CALL
+neethi_policy_get_attributes(
+    neethi_policy_t *neethi_policy,
+    const axutil_env_t *env)
+{
+    return neethi_policy->attributes;
+}
+
+/*This function is for serializing*/
+AXIS2_EXTERN axiom_node_t *AXIS2_CALL
+neethi_policy_serialize(
+    neethi_policy_t *neethi_policy,
+    axiom_node_t *parent,
+    const axutil_env_t *env)
+{
+    axiom_node_t *policy_node = NULL;
+    axiom_element_t *policy_ele = NULL;
+    axiom_namespace_t *policy_ns = NULL;
+    axutil_array_list_t *components = NULL;
+
+    policy_ns = axiom_namespace_create(env, NEETHI_NAMESPACE, NEETHI_PREFIX);
+    policy_ele = axiom_element_create(env, parent, NEETHI_POLICY, policy_ns, &policy_node);
+    if(!policy_ele)
+    {
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
+            "Cannot create policy node. Policy serialization failed");
+        return NULL;
+    }
+
+    components = neethi_policy_get_policy_components(neethi_policy, env);
+    if(components)
+    {
+        int i = 0;
+        axis2_status_t status = AXIS2_FAILURE;
+        for(i = 0; i < axutil_array_list_size(components, env); ++i)
+        {
+            neethi_operator_t *operator = NULL;
+            operator = (neethi_operator_t *)axutil_array_list_get(components, env, i);
+            if(operator)
+            {
+                status = neethi_operator_serialize(operator, env, policy_node);
+                if(status != AXIS2_SUCCESS)
+                {
+                    AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Neethi operator serialization failed.");
+                    return NULL;
+                }
+            }
+        }
+    }
+    return policy_node;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+neethi_policy_set_root_node(
+    neethi_policy_t *policy,
+    const axutil_env_t *env,
+    axiom_node_t *root_node)
+{
+    policy->root_node = root_node;
+    return AXIS2_SUCCESS;
+}