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java.lang.Objectorg.ckkloverdos.util.ClassUtil
public final class ClassUtil
Provides utility methods related to class
Method Summary | |
---|---|
static java.lang.Class |
forName(java.lang.String name,
java.net.URL[] urls)
Tries to load the class first by calling loadClass(String) and,
if this fails, then by using a URLClassLoader constructed
with the provided urls . |
static java.lang.ClassLoader |
getContextClassLoader()
Returns the context class loader of the current thread. |
static java.net.URL |
getContextResource(java.lang.String name)
Returns the resource, obtained from the context class loader. |
static java.net.URL |
getFileOrResource(java.lang.String name)
Retrieves either the file or the context resource with the given name , whichever
is found first. |
static java.io.InputStream |
getFileOrResourceAsStream(java.lang.String name)
Convenience method that calls getFileOrResource(String) . |
static java.lang.String |
getShortClassName(java.lang.Class c)
Returns only the name part after the last dot. |
static java.lang.String |
getShortClassName(java.lang.Object o)
Returns only the name part after the last dot. |
static java.lang.String |
getShortClassName(java.lang.String name)
Returns only the name part after the last dot. |
static java.lang.String |
identity(java.lang.Class c)
Returns a unique name representing this class. |
static java.lang.Class |
loadClass(java.lang.String name)
Tries to load the class first by using the context class loader and then by calling Class.forName(String) . |
static java.lang.Class |
loadClass(java.lang.String name,
java.lang.ClassLoader loader)
Tries to load the class from the provided class loader . |
static java.lang.Object |
newInstance(java.lang.Class c)
|
static java.lang.Object |
newInstance(java.lang.String className)
|
static java.lang.Object |
newInstance(java.lang.String className,
java.lang.ClassLoader cl)
|
static java.lang.String |
normalizeClassName(java.lang.Class c)
If the class is an array, returns its name with [] appended. |
static java.lang.String |
normalizeClassName(java.lang.String name)
If the class is an array, returns its name with [] appended. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static java.lang.String identity(java.lang.Class c)
c
- public static java.lang.ClassLoader getContextClassLoader()
public static java.net.URL getContextResource(java.lang.String name)
name
-
null
if not found.public static java.net.URL getFileOrResource(java.lang.String name)
name
, whichever
is found first.
name
-
null
if not found.public static java.io.InputStream getFileOrResourceAsStream(java.lang.String name) throws java.io.IOException
getFileOrResource(String)
.
name
-
null
if not found.
java.io.IOException
public static java.lang.Class loadClass(java.lang.String name)
Class.forName(String)
.
name
-
null
if not found.public static java.lang.Object newInstance(java.lang.Class c)
public static java.lang.Object newInstance(java.lang.String className)
public static java.lang.Object newInstance(java.lang.String className, java.lang.ClassLoader cl)
public static java.lang.Class loadClass(java.lang.String name, java.lang.ClassLoader loader)
loader
.
If the loader
is null
, then loadClass(String)
is called.
name
- loader
-
null
if not found.public static java.lang.Class forName(java.lang.String name, java.net.URL[] urls)
loadClass(String)
and,
if this fails, then by using a URLClassLoader
constructed
with the provided urls
.
name
- urls
-
null
if not found.public static java.lang.String getShortClassName(java.lang.Class c)
c
- public static java.lang.String getShortClassName(java.lang.String name)
public static java.lang.String getShortClassName(java.lang.Object o)
public static java.lang.String normalizeClassName(java.lang.Class c)
[]
appended.
c
- public static java.lang.String normalizeClassName(java.lang.String name)
[]
appended.
Names in the form [I
and [Ljava.lang.Integer;
can be handled correctly.
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