Class ResourceUtil

java.lang.Object

org.eclipse.rdf4j.common.io.ResourceUtil

public class ResourceUtil
extends Object

ResourceUtil is a utility class for retrieving resources (images, property-files, etc) from the classpath.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	ResourceUtil.CallerResolver	A helper class to get the call context.

Constructor Summary

Constructors

Constructor	Description
ResourceUtil()

Method Summary

Modifier and Type	Method	Description
private static Class<?>	getCaller()	Retrieve the calling class of a method in this class.
static InputStream	getInputStream(String resourceName)	Get an inputstream on the specified resource.
static Properties	getProperties(String resourceName)	Retrieve a properties resource.
static String	getString(String resourceName)	Retrieve the String contents of the specified resource, obtained by opening in inputstream on the resource and then interpreting the bytes contained in the inputstream as if they represented characters.
static URL	getURL(String resourceName)	The URL to the specified resource

Methods inherited from class Object

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

Constructor Details

ResourceUtil

public ResourceUtil()

Method Details

getURL

public static URL getURL(String resourceName)

The URL to the specified resource

Parameters:

resourceName - the name of the resource

Returns:

the URL to the specified resource, or null if the resource could not be found

getInputStream

public static InputStream getInputStream(String resourceName)

Get an inputstream on the specified resource.

Parameters:

resourceName - the name of the resource

Returns:

an inputstream on the specified resource, or null if the resource could not be found

getString

public static String getString(String resourceName)
                        throws IOException

Retrieve the String contents of the specified resource, obtained by opening in inputstream on the resource and then interpreting the bytes contained in the inputstream as if they represented characters. This may not make sense on all resources. There is no "magic" in this method to read anything other than plain text.

Parameters:

resourceName - the name of the resource

Returns:

the String contents of the specified resource, or null if the specified resource could not be found

Throws:

IOException - when something goes wrong trying to read the resource

getProperties

public static Properties getProperties(String resourceName)
                                throws IOException

Retrieve a properties resource.

Parameters:

resourceName - the name of the resource

Returns:

a Properties object representing the contents of the resource, or null if the specified resource could not be found

Throws:

IOException

getCaller

private static Class<?> getCaller()

Retrieve the calling class of a method in this class.

Returns:

the calling class of a method in this class, or this class if no other class could be determined.