Class ConfigurationUtil

java.lang.Object

org.eclipse.rdf4j.common.app.util.ConfigurationUtil

public class ConfigurationUtil
extends Object

Configuration helper class

Constructor Summary

Constructors

Constructor	Description
ConfigurationUtil()

Method Summary

Modifier and Type	Method	Description
private static String	getDefaultResourceName(String resourceName)	Get full resource name from default location
private static String	getResourceName(String resourceName)	Get full resource name
static String	loadConfigurationContents(File file)	Load configuration settings from the specified file.
static String	loadConfigurationContents(String resourceName)	Load configuration settings from a resource on the classpath.
static Properties	loadConfigurationProperties(File file, Properties defaults)	Load configuration properties from the specified file.
static Properties	loadConfigurationProperties(String resourceName, Properties defaults)	Load configuration properties from a resource on the classpath.
static void	saveConfigurationContents(String contents, File file)	Save configuration settings to a file.
static void	saveConfigurationProperties(Properties props, File file, boolean includeDefaults)	Save configuration properties to a file.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ConfigurationUtil

public ConfigurationUtil()

Method Details

loadConfigurationContents

public static String loadConfigurationContents(File file)
                                        throws IOException

Load configuration settings from the specified file.

Parameters:

file - the file to load from

Returns:

the contents of the file as a String, or null if the file did not exist

Throws:

IOException - if the contents of the file could not be read due to an I/O problem

loadConfigurationContents

public static String loadConfigurationContents(String resourceName)
                                        throws IOException

Load configuration settings from a resource on the classpath.

Parameters:

resourceName - the name of the resource

Returns:

the contents of the resources as a String, or null if the resource, nor its default, could be found

Throws:

IOException - if the resource could not be read due to an I/O problem

loadConfigurationProperties

public static Properties loadConfigurationProperties(File file,
 Properties defaults)
                                              throws IOException

Load configuration properties from the specified file.

Parameters:

file - the file to load from

defaults - default properties

Returns:

the contents of the file as Properties, or null if the file did not exist

Throws:

IOException - if the contents of the file could not be read due to an I/O problem

loadConfigurationProperties

public static Properties loadConfigurationProperties(String resourceName,
 Properties defaults)
                                              throws IOException

Load configuration properties from a resource on the classpath.

Parameters:

resourceName - the name of the resource

defaults - default properties

Returns:

the contents of the resource as Properties

Throws:

IOException - if the resource could not be read due to an I/O problem

getResourceName

private static String getResourceName(String resourceName)

Get full resource name

Parameters:

resourceName - relative resource name

Returns:

full resource location

getDefaultResourceName

private static String getDefaultResourceName(String resourceName)

Get full resource name from default location

Parameters:

resourceName - relative resource name

Returns:

full default resource location

saveConfigurationContents

public static void saveConfigurationContents(String contents,
 File file)
                                      throws IOException

Save configuration settings to a file.

Parameters:

contents - the configuration settings

file - the file to write to

Throws:

IOException - if the settings could not be saved because of an I/O problem

saveConfigurationProperties

public static void saveConfigurationProperties(Properties props,
 File file,
 boolean includeDefaults)
                                        throws IOException

Save configuration properties to a file.

Parameters:

props - the configuration properties

file - the file to write to

includeDefaults -

Throws:

IOException - if the settings could not be saved because of an I/O problem