﻿using Lucene.Net.Util;
using System;

namespace Lucene.Net.Analysis.Payloads
{
    /*
	 * Licensed to the Apache Software Foundation (ASF) under one or more
	 * contributor license agreements.  See the NOTICE file distributed with
	 * this work for additional information regarding copyright ownership.
	 * The ASF 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.
	 */

    /// <summary>
    ///  Encode a character array Integer as a <seealso cref="BytesRef"/>.
    /// <p/>
    /// See <seealso cref="org.apache.lucene.analysis.payloads.PayloadHelper#encodeInt(int, byte[], int)"/>.
    /// 
    /// 
    /// </summary>
    public class IntegerEncoder : AbstractEncoder, IPayloadEncoder
    {

        public override BytesRef Encode(char[] buffer, int offset, int length)
        {
            int payload = ArrayUtil.ParseInt(buffer, offset, length); //TODO: improve this so that we don't have to new Strings
            byte[] bytes = PayloadHelper.EncodeInt(payload);
            BytesRef result = new BytesRef(bytes);
            return result;
        }
    }
}