init nfvparser code

Change-Id: I8e264c87777e36c4a42f0aa42ab4ae66a1d59a0b
Signed-off-by: Zhaoxing <meng.zhaoxing1@zte.com.cn>

1 files changed, 77 insertions, 0 deletions

diff --git a/nfvparser/src/main/python/toscaparser/properties.py b/nfvparser/src/main/python/toscaparser/properties.py
new file mode 100644
index 0000000..c69b151
--- /dev/null
+++ b/nfvparser/src/main/python/toscaparser/properties.py
@@ -0,0 +1,77 @@
+#    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.
+
+from toscaparser.dataentity import DataEntity
+from toscaparser.elements.constraints import Schema
+from toscaparser.functions import is_function
+
+
+class Property(object):
+    '''TOSCA built-in Property type.'''
+
+    PROPERTY_KEYS = (
+        TYPE, REQUIRED, DESCRIPTION, DEFAULT, CONSTRAINTS
+    ) = (
+        'type', 'required', 'description', 'default', 'constraints'
+    )
+
+    ENTRY_SCHEMA_KEYS = (
+        ENTRYTYPE, ENTRYPROPERTIES
+    ) = (
+        'type', 'properties'
+    )
+
+    def __init__(self, property_name, value, schema_dict, custom_def=None):
+        self.name = property_name
+        self.value = value
+        self.custom_def = custom_def
+        self.schema = Schema(property_name, schema_dict)
+
+    @property
+    def type(self):
+        return self.schema.type
+
+    @property
+    def required(self):
+        return self.schema.required
+
+    @property
+    def description(self):
+        return self.schema.description
+
+    @property
+    def default(self):
+        return self.schema.default
+
+    @property
+    def constraints(self):
+        return self.schema.constraints
+
+    @property
+    def entry_schema(self):
+        return self.schema.entry_schema
+
+    def validate(self):
+        '''Validate if not a reference property.'''
+        if not is_function(self.value):
+            if self.type == Schema.STRING:
+                self.value = str(self.value)
+            self.value = DataEntity.validate_datatype(self.type, self.value,
+                                                      self.entry_schema,
+                                                      self.custom_def,
+                                                      self.name)
+            self._validate_constraints()
+
+    def _validate_constraints(self):
+        if self.constraints:
+            for constraint in self.constraints:
+                constraint.validate(self.value)