Publish

1 files changed, 22 insertions, 0 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/slime/Utf8Value.java b/vespajlib/src/main/java/com/yahoo/slime/Utf8Value.java
new file mode 100644
index 00000000000..6aa95310b86
--- /dev/null
+++ b/vespajlib/src/main/java/com/yahoo/slime/Utf8Value.java
@@ -0,0 +1,22 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.slime;
+
+/**
+ * A value type encapsulating a String in its UTF-8 representation.
+ * Useful for lazy decoding; if the data is just passed through in
+ * UTF-8 it will never be converted at all.
+ **/
+final class Utf8Value extends Value {
+    private final byte[] value;
+    private String string;
+    public Utf8Value(byte[] value) { this.value = value; }
+    public final Type type() { return Type.STRING; }
+    public final String asString() {
+        if (string == null) {
+            string = Utf8Codec.decode(value, 0, value.length);
+        }
+        return string;
+    }
+    public final byte[] asUtf8() { return value; }
+    public final void accept(Visitor v) { v.visitString(value); }
+}