cn.ipokerface.weixin.request.http.entity.ByteArrayEntity Maven / Gradle / Ivy

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package cn.ipokerface.weixin.request.http.entity;

import cn.ipokerface.weixin.request.http.ContentType;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * Created by       PokerFace
 * Create Date      2019-12-27.
 * Email:           [email protected]
 * Version          1.0.0
 * 
 * Description:
 */
public class ByteArrayEntity implements HttpEntity {

    private final ContentType contentType;
    private final byte[] content;
    private final int off, len;

    public ByteArrayEntity(byte[] content) {
        this(content, ContentType.DEFAULT_BINARY);
    }

    public ByteArrayEntity(byte[] content, ContentType contentType) {
        this(content, 0, content.length, contentType);
    }

    public ByteArrayEntity(byte[] content, int off, int len,
                           ContentType contentType) {
        this.content = content;
        this.off = off;
        this.len = len;
        this.contentType = contentType;
    }

    @Override
    public ContentType getContentType() {
        return contentType;
    }

    @Override
    public long getContentLength() {
        return len;
    }

    @Override
    public InputStream getContent() throws IOException {
        return new ByteArrayInputStream(this.content, this.off, this.len);
    }

    @Override
    public void writeTo(OutputStream outstream) throws IOException {
        outstream.write(this.content, this.off, this.len);
        outstream.flush();
    }
}