Added samples for get object and get bucket

Author: RachelTucker

src/samples/getBucketSample.go

@@ -0,0 +1,52 @@
+// Copyright 2014-2017 Spectra Logic Corporation. All Rights Reserved.
+// Licensed under the Apache License, Version 2.0 (the "License"). You may not use
+// this file except in compliance with the License. A copy of the License is located at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// or in the "license" file accompanying this file.
+// This file 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 main
+
+import (
+    "log"
+    "ds3/models"
+    "ds3/buildclient"
+    "fmt"
+    "samples/utils"
+)
+
+// Demonstrates how to get a list of S3 objects in a bucket. Assumes that the target
+// bucket already exists and has files, i.e. run putBulkSample.go first.
+func main() {
+    // Create the client from environment variables.
+    client, err := buildclient.FromEnv()
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    // Create the get bucket request.
+    bucketRequest := models.NewGetBucketRequest(utils.BucketName)
+
+    // Perform the Get Bucket call by using the client and invoking the desired command.
+    bucketResponse, err := client.GetBucket(bucketRequest)
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    if len(bucketResponse.ListBucketResult.Objects) == 0 {
+        fmt.Printf("There are no objects in bucket '%s'.\n", utils.BucketName)
+        return
+    }
+
+    fmt.Printf("Objects in bucket '%s'\n", utils.BucketName)
+    for i, obj := range bucketResponse.ListBucketResult.Objects {
+        fmt.Printf("%d) Object: '%s' created on '%s'\n",
+            i,
+            utils.ToSafeString(obj.Key),
+            utils.ToSafeString(obj.LastModified))
+    }
+}

src/samples/getObjectSample.go

@@ -0,0 +1,40 @@
+// Copyright 2014-2017 Spectra Logic Corporation. All Rights Reserved.
+// Licensed under the Apache License, Version 2.0 (the "License"). You may not use
+// this file except in compliance with the License. A copy of the License is located at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// or in the "license" file accompanying this file.
+// This file 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 main
+
+import (
+    "log"
+    "ds3/models"
+    "ds3/buildclient"
+    "samples/utils"
+)
+
+// Demonstrates how to get an object within a bucket. Assumes that the
+// target bucket already exists and has the specified file.
+// i.e. run putBulkSample.go first.
+func main() {
+    // Create the client from environment variables.
+    client, err := buildclient.FromEnv()
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    // Grab the first book defined in utils.BookNames
+    getObjRequest := models.NewGetObjectRequest(utils.BucketName, utils.BookNames[0])
+    getObjResponse, err := client.GetObject(getObjRequest)
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    // Verify that the contents of the book were retrieved correctly.
+    utils.VerifyBookContent(utils.BookNames[0], getObjResponse.Content)
+}