Overview (Master Filesystem) - NetBeans API Javadoc (Current Development Version)

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org.netbeans.modules.masterfs/1 1.11

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Master Filesystem
Friend, Private or Third Party

MasterFileSystem exports SPI for versioning support.

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Description

Master Filesystem

org.netbeans.modules.masterfs.providers

Master Filesystem
org.netbeans.modules.masterfs.providers

MasterFileSystem exports SPI for versioning support. There is expected that module that provides implementation of FileSystem that should be plugable into MasterFileSystem must implement at least FileSystemProvider. MasterFileSystem doesn't provide pure client API but has tiny API that is intended just for SPI providers (slightly disputable if it should be called API or SPI). All SPI are plugable, registred by Lookup.

What is New (see all changes)?

Feb 12 '07 ProvidedExtensions.beforeChange was added.

ProvidedExtensions.beforeChangewhich is called by MasterFileSystem when FileObject is going to be modified by asking for OutputStream.
Aug 8 '06 ProvidedExtensions.getDeleteHandler was added.

ProvidedExtensions.getDeleteHandler was added, which is the way how to impose handlers for deleting into mastersfs implementation which was required by module org.netbeans.modules.subversion.
Apr 24 '06 ProvidedExtensions was added.

ProvidedExtensions was added. Registering subclass of ProvidedExtensions as a substitution of InterceptionListener is the way how to impose handlers for renaming and moving into mastersfs implementation which was required by module org.netbeans.modules.subversion.

Use Cases

MasterFileSystem is just implementation of FileSystem. There are no special use cases. FileObjects erlier returned from URLMapper or FileUtil.fromFile provided by LocalFileSystem or CvsFileSystem will be now provided by MasterFileSystem. There will be guaranteed that there won't be more instances of FileObject addressing one java.ioFile.

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

Interface Name	In/Out	Stability	Specified in What Document?
MasterFileSystemAPI	Exported	Friend	.../masterfs/providers/package-summary.html

Implementation Details

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 currently. Most "clients" are really callers of FileUtil.toFileObject and so on, and thus implicitly depend on the existence of this module. In the future a provide-require token might make sense.

Read more about the implementation in the answers to architecture questions.