diff options
Diffstat (limited to 'libjava/java/net/DatagramSocketImpl.java')
| -rw-r--r-- | libjava/java/net/DatagramSocketImpl.java | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/libjava/java/net/DatagramSocketImpl.java b/libjava/java/net/DatagramSocketImpl.java index 260088dfe05..6f10a78b190 100644 --- a/libjava/java/net/DatagramSocketImpl.java +++ b/libjava/java/net/DatagramSocketImpl.java @@ -112,6 +112,20 @@ public abstract class DatagramSocketImpl implements SocketOptions protected abstract int peek(InetAddress i) throws IOException; /** + * Takes a peek at the next packet received. This packet is not consumed. + * With the next peekData/receive operation this packet will be read again. + * + * @param p The DatagramPacket to fill in with the data sent. + * + * @return The port number of the sender of the packet. + * + * @exception IOException If an error occurs + * + * @since 1.4 + */ + protected abstract int peekData (DatagramPacket p) throws IOException; + + /** * Transmits the specified packet of data to the network. The destination * host and port should be encoded in the packet. * @@ -208,7 +222,7 @@ public abstract class DatagramSocketImpl implements SocketOptions * Sets the specified option on a socket to the passed in object. For * options that take an integer argument, the passed in object is an * <code>Integer</code>. For options that are set to on or off, the - * value passed will be a <code>Boolean</code>. The <code>option_id</code> + * value passed will be a <code>Boolean</code>. The <code>option_id</code> * parameter is one of the defined constants in the superinterface. * * @param option_id The identifier of the option @@ -221,9 +235,9 @@ public abstract class DatagramSocketImpl implements SocketOptions throws SocketException; /** - * Returns the current setting of the specified option. The - * <code>Object</code> returned will be an <code>Integer</code> for options - * that have integer values. For options that are set to on or off, a + * Returns the current setting of the specified option. The + * <code>Object</code> returned will be an <code>Integer</code> for options + * that have integer values. For options that are set to on or off, a * <code>Boolean</code> will be returned. The <code>option_id</code> * is one of the defined constants in the superinterface. * |