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Buession Framework Http Client
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/*
 * 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.
 *
 * =========================================================================================================
 *
 * This software consists of voluntary contributions made by many individuals on behalf of the
 * Apache Software Foundation. For more information on the Apache Software Foundation, please see
 * .
 *
 * +-------------------------------------------------------------------------------------------------------+
 * | License: http://www.apache.org/licenses/LICENSE-2.0.txt 										       |
 * | Author: Yong.Teng  													       |
 * | Copyright @ 2013-2019 Buession.com Inc.														       |
 * +-------------------------------------------------------------------------------------------------------+
 */
package com.buession.httpclient.okhttp;

import com.buession.httpclient.core.ContentType;
import okio.BufferedSink;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author Yong.Teng
 */
public class RepeatableInputStreamRequestBody extends InputStreamRequestBody {

    public RepeatableInputStreamRequestBody(InputStream content, long contentLength, ContentType contentType){
        super(content, contentLength, contentType);
    }

    @Override
    public boolean isChunked(){
        return false;
    }

    @Override
    public void writeTo(BufferedSink sink) throws IOException{
        if(isFirstAttempt() == false && isRepeatable()){
            getContent().reset();
        }

        setFirstAttempt(false);
        super.writeTo(sink);
    }

    public static final class Builder {

        private InputStream content;

        private ContentType contentType;

        private long contentLength;

        public Builder(){
            this.contentType = ContentType.APPLICATION_OBJECT_STREAM;
            this.contentLength = -1;
        }

        public Builder(InputStream content, ContentType contentType){
            this.content = content;
            this.contentType = contentType;

            try{
                this.contentLength = content == null ? -1 : content.available();
            }catch(IOException e){
                this.contentLength = -1;
            }
        }

        public Builder(InputStream content, long contentLength){
            this.content = content;
            this.contentType = ContentType.APPLICATION_OBJECT_STREAM;
            this.contentLength = contentLength;
        }

        public Builder(InputStream content, long contentLength, ContentType contentType){
            this.content = content;
            this.contentType = contentType;
            this.contentLength = contentLength;
        }

        public RepeatableInputStreamRequestBody build(){
            return new RepeatableInputStreamRequestBody(content, contentLength, contentType);
        }

    }
}