vFW and vDNS support added to azure-plugin

[multicloud/azure.git] / azure / aria / aria-extension-cloudify / src / aria / aria / parser / loading / file.py

diff --git a/azure/aria/aria-extension-cloudify/src/aria/aria/parser/loading/file.py b/azure/aria/aria-extension-cloudify/src/aria/aria/parser/loading/file.py
new file mode 100644 (file)
index 0000000..a02bd69
--- /dev/null
+++ b/azure/aria/aria-extension-cloudify/src/aria/aria/parser/loading/file.py
@@ -0,0 +1,64 @@
+# 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.
+
+import codecs
+
+from .loader import Loader
+from .exceptions import LoaderException, DocumentNotFoundException
+
+
+class FileTextLoader(Loader):
+    """
+    ARIA file text loader.
+
+    Extracts a text document from a file. The default encoding is UTF-8, but other supported
+    encoding can be specified instead.
+    """
+
+    def __init__(self, context, path, encoding='utf-8'):
+        self.context = context
+        self.path = path
+        self.encoding = encoding
+        self._file = None
+
+    def open(self):
+        try:
+            self._file = codecs.open(self.path, mode='r', encoding=self.encoding, buffering=1)
+        except IOError as e:
+            if e.errno == 2:
+                raise DocumentNotFoundException('file not found: "%s"' % self.path, cause=e)
+            else:
+                raise LoaderException('file I/O error: "%s"' % self.path, cause=e)
+        except Exception as e:
+            raise LoaderException('file error: "%s"' % self.path, cause=e)
+
+    def close(self):
+        if self._file is not None:
+            try:
+                self._file.close()
+            except IOError as e:
+                raise LoaderException('file I/O error: "%s"' % self.path, cause=e)
+            except Exception as e:
+                raise LoaderException('file error: "%s"' % self.path, cause=e)
+
+    def load(self):
+        if self._file is not None:
+            try:
+                return self._file.read()
+            except IOError as e:
+                raise LoaderException('file I/O error: "%s"' % self.path, cause=e)
+            except Exception as e:
+                raise LoaderException('file error %s' % self.path, cause=e)
+        return None