org.apache.commons.discovery.tools
Class ClassUtils
java.lang.Object
org.apache.commons.discovery.tools.ClassUtils
public class ClassUtils
- extends Object
- Author:
- Richard A. Sitze
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ClassUtils
public ClassUtils()
setLog
public static void setLog(org.apache.commons.logging.Log _log)
getPackageName
public static String getPackageName(Class clazz)
- Get package name.
Not all class loaders 'keep' package information,
in which case Class.getPackage() returns null.
This means that calling Class.getPackage().getName()
is unreliable at best.
findPublicStaticMethod
public static Method findPublicStaticMethod(Class clazz,
Class returnType,
String methodName,
Class[] paramTypes)
- Returns:
- Method 'public static returnType methodName(paramTypes)',
if found to be directly implemented by clazz.
newInstance
public static Object newInstance(Class impl,
Class[] paramClasses,
Object[] params)
throws DiscoveryException,
InstantiationException,
IllegalAccessException,
NoSuchMethodException,
InvocationTargetException
- Instantiate a new
- Throws:
DiscoveryException
InstantiationException
IllegalAccessException
NoSuchMethodException
InvocationTargetException
verifyAncestory
public static void verifyAncestory(Class spi,
Class impl)
throws DiscoveryException
- Throws exception if
impl
does not
implement or extend the SPI.
- Throws:
DiscoveryException
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