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From Geir Magnusson Jr <g...@pobox.com>
Subject Re: [jira] Commented: (HARMONY-27) The network related channels in java.nio.channels are not implemented
Date Fri, 20 Jan 2006 11:34:32 GMT
ah!  Nice diagrams!  Sorry I didn't look just at the JIRA...


Yang Paulex wrote:
> Sorry for the confusion I caused, I DID write it in txt, about the "red", I
> didn't mean the color of text, but the color of classes in the class diagram
> I attached:). I thought I should add the attachment link to this JIRA
> comments. Sorry for that.
> 
> 2006/1/19, Geir Magnusson Jr <geir@pobox.com>:
>>
>>
>> Paulex Yang (JIRA) wrote:
>>>     [
>> http://issues.apache.org/jira/browse/HARMONY-27?page=comments#action_12363230]
>>> Paulex Yang commented on HARMONY-27:
>>> ------------------------------------
>>>
>>> my proposed solution:
>>>
>>> 1. Refactor the java.net
>>>
>>> Currently, the Harmony's socket structur is as below(red means API
>> classes, others are package private). I will attach the diagram to Jira.
>> "red"?  I assume that you did this in HTML?
>>
>> Please, no HTML - it's hard for people to read who don't use
>> HTML-enabled mail readers....  I for example, can't see it...
>>
>> geir
>>
>>> I proposed to refactor to three packages like this:
>>>
>>> java.net: for sure includes All API classes, and includes them only
>>> public class Socket
>>> public class ServerSocket
>>> public abstract class SocketImpl
>>> public class DatagramSocket
>>> public class MulticastSocket extends DatagramSocket
>>> public abstract class DatagramSocketImpl
>>>
>>> org.apache.harmony.net: all implementation classes with a factory
>>> public class SocketImplProvider
>>> class PlainSocketImpl extends SocketImpl
>>> class PlainSocketImpl2 extends PlainSocketImpl
>>> class PlainServerSocketImpl extends PlainSocketImpl
>>> class PlainDatagramSocketImpl extends DatagramSocketImpl
>>> class PlainMulticastSocketImpl extends PlainDatagramSocketImpl
>>> some relevant small classes(Socks4Message, GenericIPMreq)
>>>
>>> org.apache.platform: currently, this package includes native file system
>> and memory management interface, so it is a good place to include the native
>> network interface, the INetworkSystem will encapsulate all JNI interfaces.
>>> public interface INetworkSystem
>>> public class OSNetworkSystem implements INetworkSystem
>>>
>>> 2. Implement java.nio
>>> Now it is ready to implement NIO network channels based on it:
>>> java.nio:
>>> public abstract class SocketChannel
>>> public abstract class ServerSocketChannel
>>> public abstract class DatagramSocketChannel
>>> class SocketChannelImpl
>>> class ServerSocketImpl
>>> class DatagramSocketChannelImpl
>>> class SocketAdapter
>>> class ServerSocketAdapter
>>> class DatagramSocketAdapter
>>>
>>> I will attach the result diagram into JIRA, too
>>>
>>> 3. Modulize them
>>> According to the current Harmony modulization, propose to modify the
>> modulization as follows:
>>> luni exports: java.net, org.apache.harmony.net,
>> org.apache.harmony.platform(move from nio to luni, and export it)
>>> nio exports: java.nio
>>>
>>>
>>>
>>>
>>>> The network related channels in java.nio.channels are not implemented
>>>> ---------------------------------------------------------------------
>>>>
>>>>          Key: HARMONY-27
>>>>          URL: http://issues.apache.org/jira/browse/HARMONY-27
>>>>      Project: Harmony
>>>>         Type: Bug
>>>>   Components: Classlib
>>>>     Reporter: Paulex Yang
>>>>     Assignee: Geir Magnusson Jr
>>>> The following classes defined by Java Spec 5.0 in java.nio.channels are
>> not included in the class library code
>>>>      public abstarct class java.nio.channels.DatagramChannel
>>>>      public abstract class java.nio.channels.ServerSocketChannel
>>>>      public abstract class java.nio.channels.SocketChannel
> 
> 
> 
> --
> Paulex Yang
> China Software Development Labotary
> IBM
> 

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