Import refactored library. See MIGRATING.MD for details

lib/google/apis/errors.rb

@@ -0,0 +1,69 @@
+# Copyright 2015 Google Inc.
+#
+# 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.
+
+module Google
+  module Apis
+    # Base error, capable of wrapping another
+    class Error < StandardError
+      def initialize(err)
+        @cause = nil
+
+        if err.respond_to?(:backtrace)
+          super(err.message)
+          @cause = err
+        else
+          super(err.to_s)
+        end
+      end
+
+      def backtrace
+        if @cause
+          @cause.backtrace
+        else
+          super
+        end
+      end
+    end
+
+    # An error which is raised when there is an unexpected response or other
+    # transport error that prevents an operation from succeeding.
+    class TransmissionError < Error
+    end
+
+    # An exception that is raised if a redirect is required
+    #
+    class RedirectError < Error
+    end
+
+    # A 4xx class HTTP error occurred.
+    class ClientError < Error
+    end
+
+    # A 4xx class HTTP error occurred.
+    class RateLimitError < Error
+    end
+
+    # A 401 HTTP error occurred.
+    class AuthorizationError < Error
+    end
+
+    # A 5xx class HTTP error occurred.
+    class ServerError < Error
+    end
+
+    # Error class for problems in batch requests.
+    class BatchError < Error
+    end
+  end
+end