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-rw-r--r--vendor/github.com/minio/minio-go/api-get-object-file.go104
1 files changed, 104 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/api-get-object-file.go b/vendor/github.com/minio/minio-go/api-get-object-file.go
new file mode 100644
index 000000000..a38fc852a
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/api-get-object-file.go
@@ -0,0 +1,104 @@
+/*
+ * Minio Go Library for Amazon S3 Compatible Cloud 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 minio
+
+import (
+ "io"
+ "os"
+ "path/filepath"
+)
+
+// FGetObject - download contents of an object to a local file.
+func (c Client) FGetObject(bucketName, objectName, filePath string) error {
+ // Input validation.
+ if err := isValidBucketName(bucketName); err != nil {
+ return err
+ }
+ if err := isValidObjectName(objectName); err != nil {
+ return err
+ }
+
+ // Verify if destination already exists.
+ st, err := os.Stat(filePath)
+ if err == nil {
+ // If the destination exists and is a directory.
+ if st.IsDir() {
+ return ErrInvalidArgument("fileName is a directory.")
+ }
+ }
+
+ // Proceed if file does not exist. return for all other errors.
+ if err != nil {
+ if !os.IsNotExist(err) {
+ return err
+ }
+ }
+
+ // Extract top level directory.
+ objectDir, _ := filepath.Split(filePath)
+ if objectDir != "" {
+ // Create any missing top level directories.
+ if err := os.MkdirAll(objectDir, 0700); err != nil {
+ return err
+ }
+ }
+
+ // Gather md5sum.
+ objectStat, err := c.StatObject(bucketName, objectName)
+ if err != nil {
+ return err
+ }
+
+ // Write to a temporary file "fileName.part.minio" before saving.
+ filePartPath := filePath + objectStat.ETag + ".part.minio"
+
+ // If exists, open in append mode. If not create it as a part file.
+ filePart, err := os.OpenFile(filePartPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+ if err != nil {
+ return err
+ }
+
+ // Issue Stat to get the current offset.
+ st, err = filePart.Stat()
+ if err != nil {
+ return err
+ }
+
+ // Seek to current position for incoming reader.
+ objectReader, objectStat, err := c.getObject(bucketName, objectName, st.Size(), 0)
+ if err != nil {
+ return err
+ }
+
+ // Write to the part file.
+ if _, err = io.CopyN(filePart, objectReader, objectStat.Size); err != nil {
+ return err
+ }
+
+ // Close the file before rename, this is specifically needed for Windows users.
+ if err = filePart.Close(); err != nil {
+ return err
+ }
+
+ // Safely completed. Now commit by renaming to actual filename.
+ if err = os.Rename(filePartPath, filePath); err != nil {
+ return err
+ }
+
+ // Return.
+ return nil
+}