/*
 * Copyright 2018 NAVER Corp.
 *
 * Licensed 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 com.navercorp.pinpoint.plugin.ning.asynchttpclient;

import com.navercorp.pinpoint.bootstrap.plugin.request.util.EntityExtractor;
import com.ning.http.client.Request;

import java.io.InputStream;

/**
 * @author Woonduk Kang(emeroad)
 */
public class NingEntityExtractorV1 implements EntityExtractor<Request> {
    public static final EntityExtractor<Request> INSTANCE = new NingEntityExtractorV1();

    @Override
    public String getEntity(Request request) {
        final String stringData = request.getStringData();
        if (stringData != null) {
            return stringData;
        }

        final byte[] byteData = request.getByteData();
        if (byteData != null) {
            return "BYTE_DATA";
        }

        final InputStream streamData = request.getStreamData();
        if (streamData != null) {
            return "STREAM_DATA";
        }

        return null;
    }
}
