Adding storage modifications for upcoming fs system

pkg/storage/storage_errors.go

@@ -10,18 +10,50 @@ type ObjectExists struct {
 	Key    string
 }
 
-type ObjectNotFound GenericError
+type ObjectNotFound GenericObjectError
 
 type GenericBucketError struct {
 	Bucket string
 }
 
+type GenericObjectError struct {
+	Bucket string
+	Object string
+}
+
+type ImplementationError struct {
+	Bucket string
+	Object string
+	Err    error
+}
+
+func (self ImplementationError) Error() string {
+	error := ""
+	if self.Bucket != "" {
+		error = error + "Bucket: " + self.Bucket + " "
+	}
+	if self.Object != "" {
+		error = error + "Object: " + self.Object + " "
+	}
+	error = error + "Error: " + self.Err.Error()
+	return error
+}
+
+func EmbedError(bucket, object string, err error) ImplementationError {
+	return ImplementationError{
+		Bucket: bucket,
+		Object: object,
+		Err:    err,
+	}
+}
+
 type BucketNameInvalid GenericBucketError
 type BucketExists GenericBucketError
 type BucketNotFound GenericBucketError
+type ObjectNameInvalid GenericObjectError
 
 func (self ObjectNotFound) Error() string {
-	return "Object not Found: " + self.Bucket + "#" + self.Path
+	return "Object not Found: " + self.Bucket + "#" + self.Object
 }
 
 func (self ObjectExists) Error() string {
@@ -39,3 +71,7 @@ func (self BucketExists) Error() string {
 func (self BucketNotFound) Error() string {
 	return "Bucket not Found: " + self.Bucket
 }
+
+func (self ObjectNameInvalid) Error() string {
+	return "Object name invalid: " + self.Bucket + "#" + self.Object
+}