org.elasticsearch.common.lucene.BytesRefs Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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 org.elasticsearch.common.lucene;
import org.apache.lucene.util.BytesRef;
/**
*/
public class BytesRefs {
/**
* Converts a value to a string, taking special care if its a {@link BytesRef} to call
* {@link org.apache.lucene.util.BytesRef#utf8ToString()}.
*/
public static String toString(Object value) {
if (value == null) {
return null;
}
if (value instanceof BytesRef) {
return ((BytesRef) value).utf8ToString();
}
return value.toString();
}
/**
* Converts an object value to BytesRef.
*/
public static BytesRef toBytesRef(Object value) {
if (value == null) {
return null;
}
if (value instanceof BytesRef) {
return (BytesRef) value;
}
return new BytesRef(value.toString());
}
public static BytesRef toBytesRef(Object value, BytesRef spare) {
if (value == null) {
return null;
}
if (value instanceof BytesRef) {
return (BytesRef) value;
}
spare.copyChars(value.toString());
return spare;
}
}