Massive refactoring to merge handling of simplex and duplex connections.

briar-api/src/org/briarproject/api/plugins/TransportConnectionWriter.java

@@ -0,0 +1,33 @@
+package org.briarproject.api.plugins;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * An interface for writing data to a transport connection. The writer is not
+ * responsible for authenticating or encrypting the data.
+ */
+public interface TransportConnectionWriter {
+
+	/** Returns the maximum frame length of the transport in bytes. */
+	int getMaxFrameLength();
+
+	/** Returns the maximum latency of the transport in milliseconds. */
+	long getMaxLatency();
+
+	/** Returns the capacity of the transport connection in bytes. */
+	long getCapacity();
+
+	/** Returns an output stream for writing to the transport connection. */
+	OutputStream getOutputStream() throws IOException;
+
+	/**
+	 * Marks this side of the transport connection closed. If the transport is
+	 * simplex, the connection is closed. If the transport is duplex, the
+	 * connection is closed if <tt>exception</tt> is true or the other side of
+	 * the connection has been marked as closed.
+	 * @param exception true if the connection is being closed because of an
+	 * exception. This may affect how resources are disposed of.
+	 */
+	void dispose(boolean exception) throws IOException;
+}