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// Copyright Vespa.ai. 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.
*
* @author havardpe
*/
final class Utf8Value extends Value {
private final byte[] value;
private String string;
private Utf8Value(byte[] value) { this.value = value; }
public static Value create(byte[] value) {
if (value == null) {
return NixValue.instance();
} else {
return new Utf8Value(value);
}
}
public Type type() { return Type.STRING; }
public String asString() {
if (string == null) {
string = Utf8Codec.decode(value, 0, value.length);
}
return string;
}
public byte[] asUtf8() { return value; }
public void accept(Visitor v) { v.visitString(value); }
}
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