org.openstreetmap.josm.tools

Class ResourceProvider

java.lang.Object

org.openstreetmap.josm.tools.ResourceProvider

public final class ResourceProvider
extends java.lang.Object

Unified provider that looks up for resource in various classloaders (josm, plugins, etc.).

Since:

15416

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.Set<java.lang.ClassLoader>	classLoaders set of class loaders to take resources from

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ResourceProvider()

Method Summary

Modifier and Type	Method and Description
static boolean	addAdditionalClassLoader(java.lang.ClassLoader additionalClassLoader) Add an additional class loader to search image for.
static boolean	addAdditionalClassLoaders(java.util.Collection<java.lang.ClassLoader> additionalClassLoaders) Add a collection of additional class loaders to search image for.
private static <T> T	getFirstNotNull(java.util.function.Function<java.lang.ClassLoader,T> function)
static java.net.URL	getResource(java.lang.String name) Finds the resource with the given name.
static java.io.InputStream	getResourceAsStream(java.lang.String name) Finds a resource with a given name, with robustness to known JDK bugs.

Methods inherited from class java.lang.Object

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

Field Detail

classLoaders

private static final java.util.Set<java.lang.ClassLoader> classLoaders

set of class loaders to take resources from

Constructor Detail

ResourceProvider

private ResourceProvider()

Method Detail

addAdditionalClassLoader

public static boolean addAdditionalClassLoader(java.lang.ClassLoader additionalClassLoader)

Add an additional class loader to search image for.

Parameters:

additionalClassLoader - class loader to add to the internal set

Returns:

true if the set changed as a result of the call

addAdditionalClassLoaders

public static boolean addAdditionalClassLoaders(java.util.Collection<java.lang.ClassLoader> additionalClassLoaders)

Add a collection of additional class loaders to search image for.

Parameters:

additionalClassLoaders - class loaders to add to the internal set

Returns:

true if the set changed as a result of the call

getFirstNotNull

private static <T> T getFirstNotNull(java.util.function.Function<java.lang.ClassLoader,T> function)

getResource

public static java.net.URL getResource(java.lang.String name)

Finds the resource with the given name.

Parameters:

name - The resource name

Returns:

A URL object for reading the resource, or null if the resource could not be found or the invoker doesn't have adequate privileges to get the resource.

See Also:

ClassLoader.getResource(java.lang.String)

getResourceAsStream

public static java.io.InputStream getResourceAsStream(java.lang.String name)

Finds a resource with a given name, with robustness to known JDK bugs.

Parameters:

name - name of the desired resource

Returns:

A InputStream object or null if no resource with this name is found