Add everything back into one project hood, still missing iodine

pkg/storage/drivers/errors.go

@@ -0,0 +1,163 @@
+/*
+ * Minimalist Object Storage, (C) 2015 Minio, 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.
+ */
+
+package drivers
+
+// BackendError - generic disk backend error
+type BackendError struct {
+	Path string
+}
+
+// BackendCorrupted - path has corrupted data
+type BackendCorrupted BackendError
+
+// APINotImplemented - generic API not implemented error
+type APINotImplemented struct {
+	API string
+}
+
+// GenericBucketError - generic bucket error
+type GenericBucketError struct {
+	Bucket string
+}
+
+// GenericObjectError - generic object error
+type GenericObjectError struct {
+	Bucket string
+	Object string
+}
+
+// ImplementationError - generic implementation error
+type ImplementationError struct {
+	Bucket string
+	Object string
+	Err    error
+}
+
+// DigestError - Generic Md5 error
+type DigestError struct {
+	Bucket string
+	Key    string
+	Md5    string
+}
+
+/// Bucket related errors
+
+// BucketPolicyNotFound - missing bucket policy
+type BucketPolicyNotFound GenericBucketError
+
+// BucketNameInvalid - bucketname provided is invalid
+type BucketNameInvalid GenericBucketError
+
+// BucketExists - bucket already exists
+type BucketExists GenericBucketError
+
+// BucketNotFound - requested bucket not found
+type BucketNotFound GenericBucketError
+
+/// Object related errors
+
+// ObjectNotFound - requested object not found
+type ObjectNotFound GenericObjectError
+
+// ObjectExists - object already exists
+type ObjectExists GenericObjectError
+
+// ObjectNameInvalid - object name provided is invalid
+type ObjectNameInvalid GenericObjectError
+
+// BadDigest - md5 mismatch from data received
+type BadDigest DigestError
+
+// InvalidDigest - md5 in request header invalid
+type InvalidDigest DigestError
+
+// Return string an error formatted as the given text
+func (e ImplementationError) Error() string {
+	error := ""
+	if e.Bucket != "" {
+		error = error + "Bucket: " + e.Bucket + " "
+	}
+	if e.Object != "" {
+		error = error + "Object: " + e.Object + " "
+	}
+	error = error + "Error: " + e.Err.Error()
+	return error
+}
+
+// EmbedError - wrapper function for error object
+func EmbedError(bucket, object string, err error) ImplementationError {
+	return ImplementationError{
+		Bucket: bucket,
+		Object: object,
+		Err:    err,
+	}
+}
+
+// Return string an error formatted as the given text
+func (e BucketPolicyNotFound) Error() string {
+	return "Bucket policy not found for: " + e.Bucket
+}
+
+// Return string an error formatted as the given text
+func (e ObjectNotFound) Error() string {
+	return "Object not Found: " + e.Bucket + "#" + e.Object
+}
+
+// Return string an error formatted as the given text
+func (e APINotImplemented) Error() string {
+	return "Api not implemented: " + e.API
+}
+
+// Return string an error formatted as the given text
+func (e ObjectExists) Error() string {
+	return "Object exists: " + e.Bucket + "#" + e.Object
+}
+
+// Return string an error formatted as the given text
+func (e BucketNameInvalid) Error() string {
+	return "Bucket name invalid: " + e.Bucket
+}
+
+// Return string an error formatted as the given text
+func (e BucketExists) Error() string {
+	return "Bucket exists: " + e.Bucket
+}
+
+// Return string an error formatted as the given text
+func (e BucketNotFound) Error() string {
+	return "Bucket not Found: " + e.Bucket
+}
+
+// Return string an error formatted as the given text
+func (e ObjectNameInvalid) Error() string {
+	return "Object name invalid: " + e.Bucket + "#" + e.Object
+}
+
+// Return string an error formatted as the given text
+func (e BackendCorrupted) Error() string {
+	return "Backend corrupted: " + e.Path
+}
+
+// Return string an error formatted as the given text
+func (e BadDigest) Error() string {
+	return "Md5 provided " + e.Md5 + " mismatches for: " + e.Bucket + "#" + e.Key
+}
+
+// Return string an error formatted as the given text
+func (e InvalidDigest) Error() string {
+	return "Md5 provided " + e.Md5 + " is invalid"
+}