com.braintreepayments.http.multipart.FilePart Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of braintreehttp Show documentation

This is Braintree's generic http library for generated SDKs

There is a newer version: 1.3.1

package com.braintreepayments.http.multipart;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URLConnection;
import java.nio.channels.Channels;

import static com.braintreepayments.http.serializer.Multipart.CRLF;

public class FilePart extends FormData {

	private File file;

	public FilePart(String key, File file) {
		super(key);
		this.file = file;
	}

	@Override
	public String header() {
		return super.header() + String.format("; filename=\"%s\"%sContent-Type: %s", file.getName(), CRLF,
						URLConnection.guessContentTypeFromName(file.getName()));
	}

	@Override
	public void writeData(OutputStream os) throws IOException {
		try (FileInputStream fis = new FileInputStream(this.file)) {
			fis.getChannel().transferTo(0, this.file.length(), Channels.newChannel(os));
		}
	}
}