Added gmail plugin containing both imap and smtp, with unit test

components/net/sf/briar/plugins/email/GmailTransportConnectionWriter.java

@@ -0,0 +1,43 @@
+package net.sf.briar.plugins.email;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.microedition.io.StreamConnection;
+
+import net.sf.briar.api.plugins.simplex.SimplexTransportWriter;
+
+public class GmailTransportConnectionWriter implements SimplexTransportWriter {
+
+	private static final Logger LOG = Logger.getLogger(GmailTransportConnectionWriter.class.getName());
+
+	private final StreamConnection stream;
+	private final long capacity = 25 * 1000 * 1000;
+	
+	public GmailTransportConnectionWriter(StreamConnection stream) {
+		this.stream = stream;
+	}
+	
+	public long getCapacity() {
+		return capacity;
+	}
+
+	public OutputStream getOutputStream() throws IOException {
+		return stream.openOutputStream();
+	}
+
+	public boolean shouldFlush() {
+		return false;
+	}
+
+	public void dispose(boolean exception) {
+		try {
+			stream.close();
+		} catch(IOException e) {
+			if(LOG.isLoggable(Level.WARNING)) LOG.warning(e.toString());
+		}
+	}
+
+}