GpxToPHPUploader.java

package org.osmdroid.contributor;

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.InputStreamBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.osmdroid.contributor.util.RecordedGeoPoint;
import org.osmdroid.contributor.util.RecordedRouteGPXFormatter;
import org.osmdroid.contributor.util.Util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class GpxToPHPUploader {

	private static final Logger logger = LoggerFactory.getLogger(GpxToPHPUploader.class);

	protected static final String UPLOADSCRIPT_URL = "http://www.PLACEYOURDOMAINHERE.com/anyfolder/gpxuploader/upload.php";

	/**
	 * This is a utility class with only static members.
	 */
	private GpxToPHPUploader() {
	}

	public static void uploadAsync(final ArrayList<RecordedGeoPoint> recordedGeoPoints) {
		new Thread(new Runnable() {
			@Override
			public void run() {
				try {
					if (!Util.isSufficienDataForUpload(recordedGeoPoints))
						return;

					final InputStream gpxInputStream = new ByteArrayInputStream(
							RecordedRouteGPXFormatter.create(recordedGeoPoints).getBytes());
					final HttpClient httpClient = new DefaultHttpClient();

					final HttpPost request = new HttpPost(UPLOADSCRIPT_URL);

					// create the multipart request and add the parts to it
					final MultipartEntity requestEntity = new MultipartEntity();
					requestEntity.addPart("gpxfile", new InputStreamBody(gpxInputStream, ""
							+ System.currentTimeMillis() + ".gpx"));

					httpClient.getParams().setBooleanParameter("http.protocol.expect-continue",
							false);

					request.setEntity(requestEntity);

					final HttpResponse response = httpClient.execute(request);
					final int status = response.getStatusLine().getStatusCode();

					if (status != HttpStatus.SC_OK) {
						logger.error("GPXUploader", "status != HttpStatus.SC_OK");
					} else {
						final Reader r = new InputStreamReader(new BufferedInputStream(response
								.getEntity().getContent()));
						// see above
						final char[] buf = new char[8 * 1024];
						int read;
						final StringBuilder sb = new StringBuilder();
						while ((read = r.read(buf)) != -1)
							sb.append(buf, 0, read);

						logger.debug("GPXUploader", "Response: " + sb.toString());
					}
				} catch (final Exception e) {
					// logger.error("OSMUpload Error", e);
				}
			}
		}).start();
	}
}