1 files changed, 128 insertions, 0 deletions
diff --git a/nfvparser/toscaparser/parameters.py b/nfvparser/toscaparser/parameters.py
new file mode 100644
index 0000000..787db00
--- /dev/null
+++ b/nfvparser/toscaparser/parameters.py
@@ -0,0 +1,128 @@
+#    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.
+
+
+import logging
+
+from toscaparser.common.exception import ExceptionCollector
+from toscaparser.common.exception import MissingRequiredFieldError
+from toscaparser.common.exception import UnknownFieldError
+from toscaparser.dataentity import DataEntity
+from toscaparser.elements.constraints import Schema
+from toscaparser.elements.entity_type import EntityType
+from toscaparser.utils.gettextutils import _
+
+
+log = logging.getLogger('tosca')
+
+
+class Input(object):
+
+    INPUTFIELD = (TYPE, DESCRIPTION, DEFAULT, CONSTRAINTS, REQUIRED, STATUS,
+                  ENTRY_SCHEMA) = ('type', 'description', 'default',
+                                   'constraints', 'required', 'status',
+                                   'entry_schema')
+
+    def __init__(self, name, schema_dict):
+        self.name = name
+        self.schema = Schema(name, schema_dict)
+
+        self._validate_field()
+        self.validate_type(self.type)
+
+    @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 status(self):
+        return self.schema.status
+
+    def validate(self, value=None):
+        if value is not None:
+            self._validate_value(value)
+
+    def _validate_field(self):
+        for name in self.schema.schema:
+            if name not in self.INPUTFIELD:
+                ExceptionCollector.appendException(
+                    UnknownFieldError(what='Input "%s"' % self.name,
+                                      field=name))
+
+    def validate_type(self, input_type):
+        if input_type not in Schema.PROPERTY_TYPES:
+            ExceptionCollector.appendException(
+                ValueError(_('Invalid type "%s".') % type))
+
+    # TODO(anyone) Need to test for any built-in datatype not just network
+    # that is, tosca.datatypes.* and not assume tosca.datatypes.network.*
+    # TODO(anyone) Add support for tosca.datatypes.Credential
+    def _validate_value(self, value):
+        tosca = EntityType.TOSCA_DEF
+        datatype = None
+        if self.type in tosca:
+            datatype = tosca[self.type]
+        elif EntityType.DATATYPE_NETWORK_PREFIX + self.type in tosca:
+            datatype = tosca[EntityType.DATATYPE_NETWORK_PREFIX + self.type]
+
+        DataEntity.validate_datatype(self.type, value, None, datatype)
+
+
+class Output(object):
+
+    OUTPUTFIELD = (DESCRIPTION, VALUE) = ('description', 'value')
+
+    def __init__(self, name, attrs):
+        self.name = name
+        self.attrs = attrs
+
+    @property
+    def description(self):
+        return self.attrs.get(self.DESCRIPTION)
+
+    @property
+    def value(self):
+        return self.attrs.get(self.VALUE)
+
+    def validate(self):
+        self._validate_field()
+
+    def _validate_field(self):
+        if not isinstance(self.attrs, dict):
+            ExceptionCollector.appendException(
+                MissingRequiredFieldError(what='Output "%s"' % self.name,
+                                          required=self.VALUE))
+        if self.value is None:
+            ExceptionCollector.appendException(
+                MissingRequiredFieldError(what='Output "%s"' % self.name,
+                                          required=self.VALUE))
+        for name in self.attrs:
+            if name not in self.OUTPUTFIELD:
+                ExceptionCollector.appendException(
+                    UnknownFieldError(what='Output "%s"' % self.name,
+                                      field=name))