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FileConfig
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FileConfig

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The FileConfig library provide a service for accessing application-specific directories.

A lot of the Polygene™ Libraries and Extensions make use of this library to locate files.

Table 26. Artifact

Group IDArtifact IDVersion

org.apache.polygene.libraries

org.apache.polygene.library.fileconfig

3.0.0


Usage

public interface FileConfiguration
{
  [...snip...]

    File configurationDirectory();

    File dataDirectory();

    File temporaryDirectory();

    File cacheDirectory();

    File logDirectory();

}

To use it you simply need to use the FileConfigurationAssembler in your application assembly:

new FileConfigurationAssembler().assemble( module );

These will default to the platform settings, but can be overridden manually, either one-by-one or as a whole.

You can override defaults by adding org.apache.polygene.library.fileconfig.FileConfiguration_OS.properties files to your classpath where OS is one of win, mac or unix.

You can also override all properties definitions at assembly time by setting a FileConfigurationOverride object as meta info of this service:

FileConfigurationOverride override = new FileConfigurationOverride()
    .withConfiguration( confDir )
    .withData( dataDir )
    .withTemporary( tempDir )
    .withCache( cacheDir )
    .withLog( logDir );
new FileConfigurationAssembler().withOverride( override ).assemble( module );

And finally, to get the FileConfiguration Service in your application code, simply use the following:

@Service FileConfiguration fileconfig;