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From Richard Liang <richard.lian...@gmail.com>
Subject Re: [classlib][luni-util]Scanner completion(was Re: [jira] Closed: (HARMONY-567) [classlib][luni]java.util.Scanner constructors not implemented)
Date Mon, 19 Jun 2006 09:03:20 GMT

Paulex Yang wrote:
> Ah, thank you, Richard, I modified the topic a little to make it more 
> clear.
> You are right that I'm not working on Scanner, I created two patches 
> related to Scanner just because some other modules needed a skeleton 
> to compile. I'm a little distracted in NIO stuffs, further I owed some 
> parts of j.u.Formatter(I'm frustrating on the facts that RI shows 
> different behavior on java.text.DateFormat/NumberFormat and 
> Formatter.format() for number/date, so it's more complex than I 
> expected). So please feel free to complete the Scanner implementation, 
> thank you. And please shout if you need help because it is a big stuff.
Great. I'm sure I will need your a lots help. :-)        Thank you in 
> BTW, I have an issue related to Scanner here, I had a look at the 
> Scanner's document before, and I found there is some possibilities to 
> make its implementation easier: Scanner has a match() method, which 
> returns a MatchResult for last scanning operation, further, the 
> MatchResult contains the actual regular expressions Scanner used for 
> various type(digit, decimal, etc) and can be got by 
> Matcher.pattern().toString(), so I wonder if it is permitted in legal 
> for us to use RI's regular express directly in Harmony's Scanner? If 
> so, it is much easier to make Scanner compatible with RI. How do 
> you(and others) think about it?
IMHO, we can use the *regular expression* because they are returned by 
public API. Any comments? Thanks a lot.

> Richard Liang wrote:
>> Hello Paulex,
>> I'm implementing some SMALL methods for j.u.Scanner, and I find 
>> there's a defect in its Constructor. It seems that you're focusing on 
>> NIO development. Do you still working on j.u.Scanner? If no, I'd like 
>> to provide patch for it. :-)
>> Richard.
>> [1] http://issues.apache.org/jira/browse/HARMONY-611
>> Mikhail Loenko (JIRA) wrote:
>>>      [ http://issues.apache.org/jira/browse/HARMONY-567?page=all ]
>>>      Mikhail Loenko closed HARMONY-567:
>>> ----------------------------------
>>> verified by Paulex
>>>> [classlib][luni]java.util.Scanner constructors not implemented
>>>> --------------------------------------------------------------
>>>>          Key: HARMONY-567
>>>>          URL: http://issues.apache.org/jira/browse/HARMONY-567
>>>>      Project: Harmony
>>>>         Type: Bug
>>>>   Components: Classlib
>>>>     Reporter: Paulex Yang
>>>>     Assignee: Mikhail Loenko
>>>>     Priority: Minor
>>>>  Attachments: 01.harmony567.diff, 02.harmony567.sh, ScannerTest.java
>>>> Because of its big size, I'll try to implement Scanner in several 
>>>> steps, one JIRA/patch per step. Here goes the first one except the 
>>>> skeleton, the implementation of constructors. I'll attach patch soon.

Richard Liang
China Software Development Lab, IBM 

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