public enum ClassLoaderHelper extends Enum<ClassLoaderHelper>
Modifier and Type | Method and Description |
---|---|
static URL |
getResource(String resource,
boolean classesFirst,
Class<?>... classes)
If classesFirst is false, retrieves the resource via the context class
loader of the current thread, and if not found, via the class loaders of
the optionally specified classes in the order of their specification, and
if not found, from the class loader of
ClassLoaderHelper as the
last resort. |
static URL |
getResource(String resource,
Class<?>... classes)
Retrieves the resource via the context class loader of the current
thread, and if not found, via the class loaders of the optionally
specified classes in the order of their specification, and if not
found, from the class loader of
ClassLoaderHelper as the last
resort. |
static InputStream |
getResourceAsStream(String resource,
boolean classesFirst,
Class<?>... classes)
If classesFirst is false, retrieves the resource as an input stream via
the context class loader of the current thread, and if not found, via the
class loaders of the optionally specified classes in the order of their
specification, and if not found, from the class loader of
ClassLoaderHelper as the last resort. |
static InputStream |
getResourceAsStream(String resource,
Class<?>... classes)
Retrieves the resource as an input stream via
the context class loader of the current thread, and if not found, via the
class loaders of the optionally specified classes in the order of their
specification, and if not found, from the class loader of
ClassLoaderHelper as the last resort. |
static List<URL> |
getResources(String resource,
boolean classesFirst,
Class<?>... classes) |
static Class<?> |
loadClass(String fqcn,
boolean classesFirst,
Class<?>... classes)
If classesFirst is false, loads the class via the context class
loader of the current thread, and if not found, via the class loaders of
the optionally specified classes in the order of their specification, and
if not found, from the caller class loader as the
last resort.
|
static Class<?> |
loadClass(String fqcn,
Class<?>... classes)
Loads the class via the optionally specified classes in the order of
their specification, and if not found, via the context class loader of
the current thread, and if not found, from the caller class loader as the
last resort.
|
static ClassLoaderHelper |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static ClassLoaderHelper[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static ClassLoaderHelper[] values()
for (ClassLoaderHelper c : ClassLoaderHelper.values()) System.out.println(c);
public static ClassLoaderHelper valueOf(String name)
name
- the name of the enum constant to be returned.IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is nullpublic static URL getResource(String resource, Class<?>... classes)
ClassLoaderHelper
as the last
resort.resource
- resource to be loadedclasses
- class loader providerspublic static URL getResource(String resource, boolean classesFirst, Class<?>... classes)
ClassLoaderHelper
as the
last resort.
If classesFirst is true, retrieves the resource via the optionally
specified classes in the order of their specification, and if not found,
via the context class loader of the current thread, and if not found,
from the class loader of ClassLoaderHelper
as the last resort.
resource
- resource to be loadedclassesFirst
- true if the class loaders of the optionally specified classes
take precedence over the context class loader of the current
thread; false if the opposite is true.classes
- class loader providerspublic static List<URL> getResources(String resource, boolean classesFirst, Class<?>... classes)
public static Class<?> loadClass(String fqcn, Class<?>... classes) throws ClassNotFoundException
fqcn
- fully qualified class name of the target class to be loadedclasses
- class loader providersClassNotFoundException
- if failed to load the classpublic static Class<?> loadClass(String fqcn, boolean classesFirst, Class<?>... classes) throws ClassNotFoundException
If classesFirst is true, loads the class via the optionally specified classes in the order of their specification, and if not found, via the context class loader of the current thread, and if not found, from the caller class loader as the last resort.
fqcn
- fully qualified class name of the target class to be loadedclassesFirst
- true if the class loaders of the optionally specified classes
take precedence over the context class loader of the current
thread; false if the opposite is true.classes
- class loader providersClassNotFoundException
- if failed to load the classpublic static InputStream getResourceAsStream(String resource, Class<?>... classes)
ClassLoaderHelper
as the last resort.resource
- resource to be loadedclasses
- class loader providerspublic static InputStream getResourceAsStream(String resource, boolean classesFirst, Class<?>... classes)
ClassLoaderHelper
as the last resort.
If classesFirst is true, retrieves the resource as an input stream via
the optionally specified classes in the order of their specification, and
if not found, via the context class loader of the current thread, and if
not found, from the class loader of ClassLoaderHelper
as the last
resort.
resource
- resource to be loadedclassesFirst
- true if the class loaders of the optionally specified classes
take precedence over the context class loader of the current
thread; false if the opposite is true.classes
- class loader providers