General API for finding and manipulating all kinds of projects.
Support for defining project types.
The Project API defines abstract projects. These are groupings of files built and
manipulated as units. It is used for Ant-based projects but could support
other scenarios such as makefiles. Modules can plug in project types which can
recognize certain folders as being projects, and define their behaviors.
Besides the visible Javadoc, this module permits a project to add implementations
into the project lookup (rather than global lookup).
The implementations will be consulted only in the case the relevant file
belongs to that project (according to
This helps avoid the need to consult irrelevant query implementations.
LookupProviderSupport.createCompositeLookup(Lookup, Lookup) which is a more freeform variant of
already existing method. The first parameter is expected to be the base lookup containing instances to be found in project lookup,
the second parameter is a lookup containing just
FileOwnerQuery.UNOWNED, a pseudoproject indicating just that a directory is definitely unowned. May
be returned by either
FileOwnerQueryImplementation.getOwner, in which case null is returned from
FileOwnerQuery.getOwner. May also be passed to either
FileOwnerQuery.markExternalOwner overload, in which case the standard directory search will be pruned at this point with no result.
A new callback was added permitting the invoker of a project action to be notified when the action completes.
SourceGroup.containsno longer throws
For convenience and safety, the
contains method no longer throws an unchecked exception;
it proved infeasible to ensure the precondition even in the face of projects
being renamed or deleted or similar dynamic changes to directory structure.
LookupProviderSupport.createActionProviderMerger factory method to
LookupMerger for merging multiple instances of
in the project's
The SPI should be used by modules defining particular project types, e.g. the J2SE project type. The API is to be used primarily by GUI infrastructure and some queries, though other module code may on occasion need to refer to the API.
Read more about the implementation in the answers to architecture questions.
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