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https://issues.apache.org/jira/browse/SIS-393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux updated SIS-393:
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Description:
The {{core/sis-referencing/src/main/resources/META-INF/services/}} directory
registers a {{CRSAuthorityFactory}}, but not yet any {{CSAuthorityFactory}},
{{DatumAuthorityFactory}} or {{CoordinateOperationAuthorityFactory}}. The later
in particular would be useful for an easier access to the following method:
{code:java}
Set<CoordinateOperation> createFromCoordinateReferenceSystemCodes(String
sourceCRS, String targetCRS)
{code}
The reason why authority factories other than {{CRSAuthorityFactory}} are not
yet registered is because it is more convenient for Apache SIS to use a single
instance for all kind of authority factories (for sharing the cache). This can
be done more cleanly in Java 9 using the new {{ServiceLoader}} capability. In
the meantime, users can get the factory with following code, which is unsafe,
but should work at least with SIS 0.8:
{code:java}
CoordinateOperationAuthorityFactory factory =
(CoordinateOperationAuthorityFactory) CRS.getAuthorityFactory("EPSG");
{code}
was:
The {{core/sis-referencing/src/main/resources/META-INF/services/}} directory
registers a {{CRSAuthorityFactory}}, but not yet any {{CSAuthorityFactory}},
{{DatumAuthorityFactory}} or {{CoordinateOperationAuthorityFactory}}. The later
in particular would be useful for an easier access to the following method:
{code:java}
Set<CoordinateOperation> createFromCoordinateReferenceSystemCodes(String
sourceCRS, String targetCRS)
{code}
The reason why authority factories other than {{CRSAuthorityFactory} are not
yet registered is because it is more convenient for Apache SIS to use a single
instance for all kind of authority factories (for sharing the cache). This can
be done more cleanly in Java 9 using the new {{ServiceLoader}} capability. In
the meantime, users can get the factory with following code, which is unsafe,
but should work at least with SIS 0.8:
{code:java}
CoordinateOperationAuthorityFactory factory =
(CoordinateOperationAuthorityFactory) CRS.getAuthorityFactory("EPSG");
{code}
> Missing META-INF service declarations for authority factories
> -------------------------------------------------------------
>
> Key: SIS-393
> URL: https://issues.apache.org/jira/browse/SIS-393
> Project: Spatial Information Systems
> Issue Type: Task
> Components: Referencing
> Affects Versions: 0.7, 0.8
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Major
> Fix For: 1.0
>
>
> The {{core/sis-referencing/src/main/resources/META-INF/services/}} directory
> registers a {{CRSAuthorityFactory}}, but not yet any {{CSAuthorityFactory}},
> {{DatumAuthorityFactory}} or {{CoordinateOperationAuthorityFactory}}. The
> later in particular would be useful for an easier access to the following
> method:
> {code:java}
> Set<CoordinateOperation> createFromCoordinateReferenceSystemCodes(String
> sourceCRS, String targetCRS)
> {code}
> The reason why authority factories other than {{CRSAuthorityFactory}} are not
> yet registered is because it is more convenient for Apache SIS to use a
> single instance for all kind of authority factories (for sharing the cache).
> This can be done more cleanly in Java 9 using the new {{ServiceLoader}}
> capability. In the meantime, users can get the factory with following code,
> which is unsafe, but should work at least with SIS 0.8:
> {code:java}
> CoordinateOperationAuthorityFactory factory =
> (CoordinateOperationAuthorityFactory) CRS.getAuthorityFactory("EPSG");
> {code}
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