Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.lang.reflect.Method;
import java.util.Arrays;

public class Main {
    /**
     * Attempt to find a {@link Method} on the supplied class with the supplied name
     * and no parameters. Searches all superclasses up to <code>Object</code>.
     * <p>Returns <code>null</code> if no {@link Method} can be found.
     *
     * @param clazz the class to introspect
     * @param name  the name of the method
     * @return the Method object, or <code>null</code> if none found
     */
    public static Method findMethod(Class<?> clazz, String name) {
        return findMethod(clazz, name, new Class[0]);
    }

    /**
     * Attempt to find a {@link Method} on the supplied class with the supplied name
     * and parameter types. Searches all superclasses up to <code>Object</code>.
     * <p>Returns <code>null</code> if no {@link Method} can be found.
     *
     * @param clazz      the class to introspect
     * @param name       the name of the method
     * @param paramTypes the parameter types of the method
     *                   (may be <code>null</code> to indicate any signature)
     * @return the Method object, or <code>null</code> if none found
     */
    public static Method findMethod(Class<?> clazz, String name, Class<?>... paramTypes) {
        Class<?> searchType = clazz;
        while (searchType != null) {
            Method[] methods = (searchType.isInterface() ? searchType.getMethods()
                    : searchType.getDeclaredMethods());
            for (Method method : methods) {
                if (name.equals(method.getName())
                        && (paramTypes == null || Arrays.equals(paramTypes, method.getParameterTypes()))) {
                    return method;
                }
            }
            searchType = searchType.getSuperclass();
        }
        return null;
    }
}