invoke Static Method - Java Reflection

Java examples for Reflection:Method

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Description

invoke Static Method

Demo Code

/*//  w  w w  .  j  a va2 s.  c o  m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

public class Main{
    public static <T> T invokeStaticMethod(Method method, Object... args) {
        T obj = null;
        try {
            obj = (T) method.invoke(null, args);
        } catch (InvocationTargetException ex) {
            Throwable c = ex.getCause();
            if (c instanceof RuntimeException)
                throw (RuntimeException) c;
            if (c instanceof Error)
                throw (Error) c;
            if (c != null)
                throw new BindingException("Method " + method.getName()
                        + " could not be invoked: " + c.getMessage(), c);
            throw new BindingException("Method " + method.getName()
                    + " could not be invoked: " + ex.getMessage(), ex);
        } catch (IllegalAccessException ex) {
            throw new BindingException("Method " + method.getName()
                    + " not found or not accessible: " + ex.getMessage(),
                    ex);
        }
        return obj;
    }
}

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