Upload an image to image hoster Imgur (can be used for PGraphics, too)

imgurImageUpload.java

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

import javax.imageio.ImageIO;

import processing.core.PApplet;
import processing.core.PGraphics;
//import processing.video.*;


import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;





public class ImgurImageUploadTest extends PApplet{
	
	private final static String API_KEY = "INSERT_YOUR_KEY_HERE";
	
	//Capture myCapture;

	/**
	 * @param args
	 */
	public void setup() {
		size(600, 600);
		uploadImage();
	}
	
	public void uploadImage(){
		// Creates Byte Array from picture
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		BufferedImage imageToWrite = getImage();
		try {
			ImageIO.write(imageToWrite, "png", baos);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		URL url = null;
		try {
			url = new URL("http://api.imgur.com/2/upload");
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		//encodes picture with Base64 and inserts api key
		String data = "";
		try {
			data = URLEncoder.encode("image", "UTF-8") + "=" + URLEncoder.encode(Base64.encode(baos.toByteArray()), "UTF-8");
			data += "&" + URLEncoder.encode("key", "UTF-8") + "=" + URLEncoder.encode(API_KEY, "UTF-8");
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		// opens connection and sends data
		URLConnection conn = null;
		try {
			conn = url.openConnection();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		conn.setDoOutput(true);
		OutputStreamWriter wr = null;
		try {
			wr = new OutputStreamWriter(conn.getOutputStream());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		try {
			wr.write(data);
			wr.flush();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// Get the response
		InputStream is = null;
		try {
			if (((HttpURLConnection) conn).getResponseCode() == 400)
			    is = ((HttpURLConnection) conn).getErrorStream();
			else
				try {
					is = conn.getInputStream();
				} catch (IOException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}

		BufferedReader rd = new BufferedReader(new InputStreamReader(is));
		String line;
	    try {
			while ((line = rd.readLine()) != null) {
			    System.out.println(line);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	    try {
			rd.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	
	BufferedImage getImage(){
		  PGraphics pg;
		  pg = createGraphics(width, height,JAVA2D);
		  pg.beginDraw();
		  pg.background(0);
		  pg.fill(255);
		  pg.ellipse(50, 50, 50, 50);
		  pg.endDraw();
		  BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE  );
		  Graphics2D g2d = img.createGraphics();
		  g2d.drawImage((java.awt.Image)pg.image, 0, 0, width, height, this);
		  g2d.finalize();
		  g2d.dispose();

		  return img;
		}

}