Overview (General Queries API) - NetBeans API Javadoc (Current Development Version)
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General Queries API
Official
queries, or sources of concrete information, useful throughout the build system and perhaps elsewhere.
See:
Description
| General Queries API | |
|---|---|
| org.netbeans.api.fileinfo | |
| org.netbeans.api.queries | General "queries" or communication channels pertaining to aspects of how files are used and related. |
| org.netbeans.spi.queries | Permits query implementations to be registered. |
GeneralQueriesAPI
The General Queries API provides generic queries
, or sources of
concrete information, useful throughout the build system and perhaps
elsewhere. Each query is split into an API component intended for clients to
find the answer to a particular question without knowledge of the underlying
structure or origin of the answer; and an SPI interface (using lookup)
permitting answers to be provided from any source. These queries currently
pertain to VCS and compilation status and user visibility of files.
What is New (see all changes)?
- Mar 28 '07 Default Encoding of System File System is always UTF-8
Whenever someone queries for encoding of a file object on default file system (e.g. the one that is provided by layers), it will get UTF-8 as the default encoding and not the system one. As a result all resources on layers should be in UTF-8 encoding.
- Feb 8 '07 Added support for obtaining encoding of files
Added a query (
FileEncodingQuery) to find out the encoding of the file. The query delegates to the instances of the SPI interface (FileEncodingQueryImplementation), when the SPI implementations don't know anything about the file encoding it returns the encoding corresponding to the file.encoding property. The API also provides getter and setter for default project encoding which should be used by the project generator. - Jan 14 '05 Added
fileinfopackage withNonRecursiveFolderinterface.fileinfopackage introduced for classes providing extra information about files or folders.NonRecursiveFolderinterface added. It marks a representation of a folder that have non-recursive content (does not contain subfiles). - Dec 22 '04 Switched to major release version 1
To indicate that this is now considered a stable API, the major release version was incremented to 1 from 0.
Use Cases
Particular use cases are enumerated in the Javadoc for each query API. Usage consists of simple static method calls. Potentially a wide variety of modules could use these queries; implementations are typically registered by project type providers, though also by Java library and platform implementations.
Exported Interfaces
This table lists all of the module exported APIs with defined stability classifications. It is generated based on answers to questions about the architecture of the module. Read them all...Group of java interfaces
Group of preferences interfaces
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Implementation Details
Where are the sources for the module?
The sources for the module are in NetBeans CVS in projects/queries directory.
What do other modules need to do to declare a dependency on this one, in addition to or instead of a plain module dependency?
Nothing.Read more about the implementation in the answers to architecture questions.
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