Message encoder

sdk/storage/azure-storage-common/src/main/java/com/azure/storage/common/Flags.java

@@ -0,0 +1,56 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+package com.azure.storage.common;
+
+/**
+ * Defines values for Flags.
+ */
+public enum Flags {
+    /**
+     * No flags set.
+     */
+    NONE(0),
+
+    /**
+     * Flag indicating the use of CRC64.
+     */
+    STORAGE_CRC64(1);
+
+    /**
+     * The actual serialized value for a Flags instance.
+     */
+    private final int value;
+
+    Flags(int value) {
+        this.value = value;
+    }
+
+    /**
+     * Parses a serialized value to a Flags instance.
+     *
+     * @param value the serialized value to parse.
+     * @return the parsed Flags object, or null if unable to parse.
+     */
+    public static Flags fromString(String value) {
+        if (value == null) {
+            return null;
+        }
+        Flags[] items = Flags.values();
+        for (Flags item : items) {
+            if (item.getValue() == Integer.parseInt(value)) {
+                return item;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the value for a Flags instance.
+     *
+     * @return the integer value of the Flags object.
+     */
+    public int getValue() {
+        return value;
+    }
+}