On Wed, 5 Mar 2025 20:00:18 GMT, Harshitha Onkar <hon...@openjdk.org> wrote:
>> Built-in Profiles are singleton objects and if the user happens to modify
>> this shared profile object via setData() then the modified version of the
>> profile is returned each time the same built-in profile is requested via
>> getInstance().
>>
>> It is good to protect Built-in profiles from such direct modification by
>> adding BuiltIn profile check in `setData()` such that **only copies** of
>> Built-In profiles are allowed to be updated.
>>
>> With the proposed fix, if Built-In profile is updated using `.setData()` it
>> throws _**IAE - "BuiltIn profile cannot be modified"**_
>>
>> There are no restrictions on creating copies of BuiltIn profile and then
>> modifying it, but what is being restricted with this fix is - the direct
>> modification of the shared BuiltIn profile instance.
>>
>> Applications which need a modified version of the ICC Profile should instead
>> do the following:
>>
>>
>> byte[] profileData = ICC_Profile.getData() // get the byte array
>> representation of BuiltIn- profile
>> ICCProfile newProfile = ICC_Profile.getInstance(profileData) // create a new
>> profile
>> newProfile.setData() // to modify and customize the profile
>>
>>
>> Following existing tests are modified to update a copy of Built-In profile.
>>
>> - java/awt/color/ICC_Profile/SetHeaderInfo.java
>> - java/awt/color/ICC_ProfileSetNullDataTest.java
>> - sun/java2d/cmm/ProfileOp/SetDataTest.java
>
> Harshitha Onkar has updated the pull request incrementally with one
> additional commit since the last revision:
>
> minor
test/jdk/java/awt/color/ICC_Profile/BuiltInProfileCheck.java line 71:
> 69: } catch (IllegalArgumentException iae) {
> 70: if (!iae.getMessage().equals(EXCEPTION_MSG)) {
> 71: throw new RuntimeException("Test Failed! IAE with
> exception msg \""
I don't think you need to - or should - expect a specific exception message.
Obviously you can update the test if the text changes, but I just don't think
this is necessary.
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PR Review Comment: https://git.openjdk.org/jdk/pull/23606#discussion_r1982173349
