Update of /cvsroot/commonjava/commonjava-projects/commonjava-reflection/src/java/org/commonjava/reflection
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13812/src/java/org/commonjava/reflection
Modified Files:
ImplFinder.java Reflector.java
Log Message:
added invokeStatic(Class, String, Object[]): Object to Reflector.
Index: ImplFinder.java
===================================================================
RCS file: /cvsroot/commonjava/commonjava-projects/commonjava-reflection/src/java/org/commonjava/reflection/ImplFinder.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- ImplFinder.java 22 Oct 2003 04:23:10 -0000 1.3
+++ ImplFinder.java 20 Apr 2004 22:52:02 -0000 1.4
@@ -533,7 +533,7 @@
*@throws ConfigurationManagerException in the case of an invalid configuration file
*/
private static Class discoverClass(Class ifc, String sProp, String cFile, Class defImpl)
- throws ClassNotFoundException, IOException
+ throws ClassNotFoundException, IOException, FinderException
{
String ifcName = ifc.getName();
ClassLoader cloader = ImplFinder.class.getClassLoader();
@@ -584,7 +584,12 @@
// If all else fails, then return the default implementation supplied.
if(classFile == null){
- return defImpl;
+ if(defImpl == null){
+ throw new FinderException("Error finding implementation of class: " + ifc.getName());
+ }
+ else{
+ return defImpl;
+ }
}
// Otherwise, load the class...
else{
Index: Reflector.java
===================================================================
RCS file: /cvsroot/commonjava/commonjava-projects/commonjava-reflection/src/java/org/commonjava/reflection/Reflector.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- Reflector.java 27 Feb 2004 06:43:59 -0000 1.2
+++ Reflector.java 20 Apr 2004 22:52:05 -0000 1.3
@@ -161,6 +161,49 @@
}
}
+ /** Invoke the specified static method with the specified params...
+ *
+ * @param targetClass The target class of the invocation
+ * @param methodName The method name to invoke
+ * @param params The parameters to pass to the method invocation
+ * @return The result of the method call
+ * @throws ReflectorException In case of an error looking up or invoking the method.
+ */
+ public static Object invokeStatic(Class targetClass, String methodName, Object[] params)
+ throws ReflectorException
+ {
+ if(params == null){params = new Object[0];}
+
+ Class[] paramTypes = new Class[params.length];
+ for(int i=0, len=params.length; i<len; i++){
+ paramTypes[i] = params[i].getClass();
+ }
+
+ try{
+ Method method = getMethod(targetClass, methodName, paramTypes);
+ if(method == null){
+ StringBuffer buffer = new StringBuffer();
+ buffer.append("Singleton-producing method named \'" + methodName + "\' not found with specified parameter classes: ");
+
+ for (int i = 0; i < paramTypes.length; i++) {
+ buffer.append(paramTypes[i].getName());
+ buffer.append(',');
+ }
+ buffer.setLength(buffer.length() -1);
+
+ throw new ReflectorException(buffer.toString());
+ }
+
+ return method.invoke(null, params);
+ }
+ catch(InvocationTargetException ex){
+ throw new ReflectorException(ex);
+ }
+ catch(IllegalAccessException ex){
+ throw new ReflectorException(ex);
+ }
+ }
+
/** Return the constructor, checking the cache first and storing in cache if not
* already there..
*
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