Code review request: 7064075 Security libraries don't build with javac -Xlint:all, -deprecation -Werror
Alexandre Boulgakov
alexandre.boulgakov at oracle.com
Wed Aug 3 23:39:08 UTC 2011
Ping..?
-Sasha
On 7/27/2011 11:22 AM, Alexandre Boulgakov wrote:
> Should I just use the newest serialVersionUID for both of them?
>
> -Sasha
>
> On 7/26/2011 10:31 AM, Alexandre Boulgakov wrote:
>> I just noticed that pkcs11 is not built on my machine (64-bit
>> Windows) so I missed all of the warnings there. There are two mission
>> serialVersionUID warnings for classes that have had different
>> generated serialVersionUID's in the past.
>>
>> sun.security.pkcs11.P11Key.P11SecretKey
>> -currently: -7828241727014329084L;
>> -JDK 1.5: -897881148551545872L;
>>
>> sun.security.pkcs11.P11TlsPrfGenerator$1
>> -currently: -8090049519656411362L;
>> -JDK 6: -3305145912345854189L;
>>
>> I'm not sure why the serialVersionUID changed for
>> sun.security.pkcs11.P11TlsPrfGenerator$1; the code is the same, and
>> the serialVersionUID for the base class javax.crypto.SecretKey hasn't
>> changed.
>>
>> For sun.security.pkcs11.P11Key.P11SecretKey, the code is the same,
>> but the base class sun.security.pkcs11.P11Key has changed.
>>
>> How should I go about resolving these issues?
>>
>> Thanks,
>> Sasha
>>
>> On 7/20/2011 3:37 PM, Xuelei.Fan at Oracle.Com wrote:
>>>
>>> On Jul 21, 2011, at 1:25 AM, Alexandre
>>> Boulgakov<alexandre.boulgakov at oracle.com> wrote:
>>>
>>>> This is a Netbeans warning, not generated by the compiler. The
>>>> reason is that List.isEmpty() can be more efficient for some
>>>> implementations. ArrayList.size() == 0 and ArrayList.isEmpty()
>>>> should take the same time, so it doesn't matter for allResults, but
>>>> keyTypeList is a List argument, so any implementation could be
>>>> passed in. List.isEmpty() should never be slower than List.size()
>>>> == 0 because AbstractCollection defines isEmpty() as size() == 0.
>>>>
>>>> Even if we don't get a performance improvement, it still improves
>>>> readability.
>>>>
>>> Sounds reasonable.
>>>
>>> Thanks,
>>> Xuelei
>>>
>>>> -Sasha
>>>>
>>>> On 7/19/2011 7:32 PM, Xuelei Fan wrote:
>>>>> I was looking at the updates in sun/security/ssl. Looks fine to me.
>>>>>
>>>>> It's fine, but I just wonder why List.isEmpty() is preferred to
>>>>> (List.size() == 0). What's the compiler warning for (List.size()
>>>>> == 0)?
>>>>>
>>>>> src/share/classes/sun/security/ssl/X509KeyManagerImpl.java
>>>>> - if (keyTypeList == null || keyTypeList.size() == 0) {
>>>>> + if (keyTypeList == null || keyTypeList.isEmpty()) {
>>>>>
>>>>> - if (allResults == null || allResults.size() == 0) {
>>>>> + if (allResults == null || allResults.isEmpty()) {
>>>>>
>>>>> Thanks for the cleanup.
>>>>>
>>>>> Thanks,
>>>>> Xuelei (Andrew) Fan
>>>>>
>>>>> On 7/20/2011 7:22 AM, Alexandre Boulgakov wrote:
>>>>>> Hello Sean,
>>>>>>
>>>>>> Have you had a chance to look at this webrev?
>>>>>>
>>>>>> Thanks,
>>>>>> Sasha
>>>>>>
>>>>>> On 7/18/2011 6:21 PM, Alexandre Boulgakov wrote:
>>>>>>> Hello,
>>>>>>>
>>>>>>> Here's an updated webrev:
>>>>>>> http://cr.openjdk.java.net/~smarks/aboulgak/7064075.2/
>>>>>>>
>>>>>>> I've reexamined the @SuppressWarnings("unchecked") annotations, and
>>>>>>> added comments to all of the ones I've added. I was was also
>>>>>>> able to
>>>>>>> remove several of them by using covariant return types on
>>>>>>> sun.security.x509.*Extension.get(String) inherited from Object
>>>>>>> CertAttrSet<T>.get(String). I've also updated the consumers of
>>>>>>> sun.security.x509.*Extension.get(String) to use the more specific
>>>>>>> return type, removing several casts and
>>>>>>> @SuppressWarnings("unchecked")
>>>>>>> annotations.
>>>>>>>
>>>>>>> Also, please take a closer look at my changes to
>>>>>>> com.sun.security.auth.PolicyFile.getPrincipalInfo(PolicyParser.PrincipalEntry,
>>>>>>>
>>>>>>> final CodeSource) in
>>>>>>> src/share/classes/com/sun/security/auth/PolicyFile.java lines
>>>>>>> 1088-1094. The preceding comment and the behavior of
>>>>>>> Subject.getPrincipals(Class<T>) seem to be more consistent with the
>>>>>>> updated version, but I wanted to make sure.
>>>>>>>
>>>>>>> The classes where I added serialVersionUID's are either new or have
>>>>>>> the same serialVersionUID as the original implementation.
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Sasha
>>>>>>>
>>>>>>> On 7/18/2011 5:33 PM, Brad Wetmore wrote:
>>>>>>>> (Apologies to folks without access to the older sources.)
>>>>>>>>
>>>>>>>>
>>>>>>>> On 07/18/11 15:00, Sean Mullan wrote:
>>>>>>>>> On 7/18/11 5:35 PM, Alexandre Boulgakov wrote:
>>>>>>>>>> Is there an easy way to see when a class was added to the JDK?
>>>>>>>>> For standard API classes, you can use the @since javadoc tag
>>>>>>>>> which
>>>>>>>>> will indicate
>>>>>>>>> the release it was first introduced in.
>>>>>>>> Standard, exported API classes. Some of the underlying support
>>>>>>>> classes for API packages like java.*.* weren't always @since'd
>>>>>>>> properly.
>>>>>>>>
>>>>>>>>> For internal classes, there is no easy way, since most don't
>>>>>>>>> have an
>>>>>>>>> @since tag.
>>>>>>>>> I would probably write a script that checks the rt.jar of each of
>>>>>>>>> the JREs that
>>>>>>>>> are archived at /java/re/jdk. The pathnames should be fairly
>>>>>>>>> consistent, just
>>>>>>>>> the version number is different.
>>>>>>>> Don't know which classes you're talking about here, but some
>>>>>>>> classes
>>>>>>>> started out in other jar files and eventually wound up in rt.jar.
>>>>>>>> Also, some files live in files other than rt.jar. I usually go to
>>>>>>>> the source when looking for something. If it's originally from
>>>>>>>> JSSE/JGSS/JCE, you'll need to look on our restricted access
>>>>>>>> machine.
>>>>>>>>
>>>>>>>> When I'm looking for something that is in the jdk/j2se
>>>>>>>> workspaces, I
>>>>>>>> go right to the old Codemgr data, specifically the nametable file,
>>>>>>>> because many times the files you want may be in a
>>>>>>>> src/<arch>/classes
>>>>>>>> instead of src/share/classes.
>>>>>>>>
>>>>>>>> % grep -i SunMSCAPI.java
>>>>>>>> <RE-repository>/5.0/latest/ws/j2se/Codemgr_wsdata/nametable
>>>>>>>>
>>>>>>>> % grep -i SunMSCAPI.java
>>>>>>>> <RE-repository>/6.0/latest/ws/j2se/Codemgr_wsdata/nametable
>>>>>>>> src/windows/classes/sun/security/mscapi/SunMSCAPI.java ada8dbe4
>>>>>>>> a217f6b0 6c833bd3 d4ef32be
>>>>>>>>
>>>>>>>> That will usually give you a good starting point.
>>>>>>>>
>>>>>>>> Brad
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Depending on rt.jar or not.
>>>>>>>>
>>>>>>>>> Chris, do you have any other ideas?
>>>>>>>>>
>>>>>>>>> --Sean
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