From d267dd1dda606f0c56d8afaa7187485e60ebfd86 Mon Sep 17 00:00:00 2001 From: Sam Anthony Date: Thu, 28 Nov 2024 17:32:28 -0500 Subject: move replica2 to top level --- src/main/java/derms/replica2/ObjectPacket.java | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/main/java/derms/replica2/ObjectPacket.java (limited to 'src/main/java/derms/replica2/ObjectPacket.java') diff --git a/src/main/java/derms/replica2/ObjectPacket.java b/src/main/java/derms/replica2/ObjectPacket.java new file mode 100644 index 0000000..27852b0 --- /dev/null +++ b/src/main/java/derms/replica2/ObjectPacket.java @@ -0,0 +1,33 @@ +package derms.replica2; + +import java.io.*; +import java.net.DatagramPacket; +import java.net.SocketAddress; + +class ObjectPacket { + static DatagramPacket create(Serializable obj, SocketAddress remoteAddr) throws IOException { + ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); + ObjectOutputStream objStream = new ObjectOutputStream(byteStream); + objStream.writeObject(obj); + objStream.flush(); + byte[] buf = byteStream.toByteArray(); + objStream.close(); + return new DatagramPacket(buf, buf.length, remoteAddr); + } + + static E deserialize(DatagramPacket pkt, Class clazz) throws IOException { + ObjectInputStream objectStream; + try { + objectStream = new ObjectInputStream( + new ByteArrayInputStream(pkt.getData())); + } catch (Exception e) { + throw new IOException("failed to create input stream: "+e.getMessage()); + } + + try { + return clazz.cast(objectStream.readObject()); + } catch (Exception e) { + throw new IOException(e.getMessage()); + } + } +} \ No newline at end of file -- cgit v1.2.3