Readers, writers and factories for subscription and transport updates.

components/net/sf/briar/protocol/TransportReader.java

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+package net.sf.briar.protocol;
+
+import java.io.IOException;
+import java.util.Map;
+
+import net.sf.briar.api.protocol.Tags;
+import net.sf.briar.api.protocol.Transports;
+import net.sf.briar.api.serial.ObjectReader;
+import net.sf.briar.api.serial.Reader;
+
+class TransportReader implements ObjectReader<Transports> {
+
+	private final TransportFactory transportFactory;
+
+	TransportReader(TransportFactory transportFactory) {
+		this.transportFactory = transportFactory;
+	}
+
+	public Transports readObject(Reader r) throws IOException {
+		// Initialise the consumer
+		CountingConsumer counting = new CountingConsumer(Transports.MAX_SIZE);
+		// Read the data
+		r.addConsumer(counting);
+		r.readUserDefinedTag(Tags.TRANSPORTS);
+		Map<String, String> transports = r.readMap(String.class, String.class);
+		long timestamp = r.readInt64();
+		r.removeConsumer(counting);
+		// Build and return the transports update
+		return transportFactory.createTransports(transports, timestamp);
+	}
+}