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Offer a way to retrieve the component type of a JavaClass that is an array #187

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codecholeric opened this issue Jun 25, 2019 · 0 comments
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Offer a way to retrieve the component type of a JavaClass that is an array #187

codecholeric opened this issue Jun 25, 2019 · 0 comments
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enhancement good start to contributing help wanted

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@codecholeric
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As a follow up of #114 we should offer a way to get the component type of an array (compare the Java Reflection API -> arrayClass.getComponentType())
For example a JavaClass representing an array com.some.Foo[] should return com.some.Foo as the component type. Likewise com.some.Foo[][] should return com.some.Foo[] as its component type.
On the contrary to the Reflection API and to be consistent with ArchUnit's API, we should call this method

Optional<JavaClass> tryGetComponentType()

and return Optional.absent() if the respective JavaClass is no array type. Additionally we could offer JavaClass getComponentType() throwing an exception if the JavaClass is no array type for cases where the nature of the JavaClass is already known.

Note: The JavaType within JavaClass already offers a method

Optional<JavaType> tryGetComponentType()

So to implement the feature during class creation the respective JavaType.getName() must be resolved against the matching JavaClass.
@codecholeric codecholeric mentioned this issue Jun 25, 2019
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alexfedorenchik added a commit to alexfedorenchik/ArchUnit that referenced this issue Oct 5, 2019
@alexfedorenchik
Offer a way to retrieve the component type of a JavaClass that is a…
8cd3d6f 
…n array.

Issue: TNG#187

Signed-off-by: Alexander Fedorenchik <alexander.fedorenchik@gmail.com>
@alexfedorenchik alexfedorenchik mentioned this issue Oct 5, 2019
Merged
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: Simplify test assertion by using ArchUnit infrastructure and …
d844b4f 
…Guava AssertJ

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: We have to always ensure the whole component type chain is pr…
362a107 
…esent. Background is, that if those component types are not referenced in another place (e.g. the two-dim component type is not also a field type somewhere, etc.), we will otherwise create a "simple" class stub here on the fly, and that simple stub will not get processed anymore and thus will not get any component type. In other words, the component type chain would then be broken.

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: Add convenience method for cases where we know this type is a…
7ab2914 
…n array (or we've already checked javaClass.isArray())

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric pushed a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@alexfedorenchik @codecholeric
Offer a way to retrieve the component type of a JavaClass that is a…
7507180 
…n array.

Issue: TNG#187

Signed-off-by: Alexander Fedorenchik <alexander.fedorenchik@gmail.com>
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: Simplify test assertion by using ArchUnit infrastructure and …
ac545fb 
…Guava AssertJ

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: We have to always ensure the whole component type chain is pr…
b10dde6 
…esent. Background is, that if those component types are not referenced in another place (e.g. the two-dim component type is not also a field type somewhere, etc.), we will otherwise create a "simple" class stub here on the fly, and that simple stub will not get processed anymore and thus will not get any component type. In other words, the component type chain would then be broken.

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit to alexfedorenchik/ArchUnit that referenced this issue Nov 3, 2019
@codecholeric
Review: Add convenience method for cases where we know this type is a…
d63d927 
…n array (or we've already checked javaClass.isArray())

Issue: TNG#187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric pushed a commit that referenced this issue Feb 21, 2021
@alexfedorenchik @codecholeric
Offer a way to retrieve the component type of a JavaClass that is a…
296d1c6 
…n array.

Issue: #187

Signed-off-by: Alexander Fedorenchik <alexander.fedorenchik@gmail.com>
codecholeric added a commit that referenced this issue Feb 21, 2021
@codecholeric
Review: Simplify test assertion by using ArchUnit infrastructure and …
e922515 
…Guava AssertJ

Issue: #187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit that referenced this issue Feb 21, 2021
@codecholeric
Review: We have to always ensure the whole component type chain is pr…
841ba93 
…esent. Background is, that if those component types are not referenced in another place (e.g. the two-dim component type is not also a field type somewhere, etc.), we will otherwise create a "simple" class stub here on the fly, and that simple stub will not get processed anymore and thus will not get any component type. In other words, the component type chain would then be broken.

Issue: #187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
codecholeric added a commit that referenced this issue Feb 21, 2021
@codecholeric
Review: Add convenience method for cases where we know this type is a…
fd34c6d 
…n array (or we've already checked javaClass.isArray())

Issue: #187
Signed-off-by: Peter Gafert <peter.gafert@tngtech.com>
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