rebuilding head

[mir.git] / source / mir / util / ReflectionRoutines.java

diff --git a/source/mir/util/ReflectionRoutines.java b/source/mir/util/ReflectionRoutines.java
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+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with  any library licensed under the Apache Software License,\r
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
+ * (or with modified versions of the above that use the same license as the above),\r
+ * and distribute linked combinations including the two.  You must obey the\r
+ * GNU General Public License in all respects for all of the code used other than\r
+ * the above mentioned libraries.  If you modify this file, you may extend this\r
+ * exception to your version of the file, but you are not obligated to do so.\r
+ * If you do not wish to do so, delete this exception statement from your version.\r
+ */\r
+package mir.util;\r
+\r
+import org.apache.commons.beanutils.MethodUtils;\r
+\r
+import java.lang.reflect.InvocationTargetException;\r
+\r
+public class ReflectionRoutines {\r
+  private ReflectionRoutines() {\r
+  }\r
+\r
+  /**\r
+   * Method to overcome a shortcoming in {@link org.apache.commons.beanutils}'s\r
+   *     {@link MethodUtils#invokeMethod(Object, String, Object[])} involving\r
+   *     parameters that are <code>null</code> \r
+   */\r
+  public static Object invokeMethod(Object aTarget, String aMethodName, Object[] aParameters)\r
+      throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {\r
+    Class parameterTypes[] = new Class[aParameters.length];\r
+\r
+    for (int i=0; i<aParameters.length; i++) {\r
+      if (aParameters[i] == null) {\r
+        parameterTypes[i] = Object.class;\r
+      }\r
+      else {\r
+        parameterTypes[i] = aParameters[i].getClass();\r
+      }\r
+    }\r
+\r
+    return MethodUtils.invokeMethod(aTarget, aMethodName, aParameters, parameterTypes);\r
+  }\r
+}\r