get Method from Class - Android java.lang.reflect

Android examples for java.lang.reflect:Method Get

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Description

get Method from Class

Demo Code

/*//w w w  .j  av  a2 s . co  m
 * Copyright (C) 2016 chentaov5@gmail.com
 *
 * Licensed 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.
 */
//package com.java2s;
import android.text.TextUtils;
import android.util.Log;

import java.lang.reflect.Method;

public class Main {
    private static final String TAG = "JLLKReflectHelper";

    static Method getMethod(Class<?> clz, final String mtdName,
            Class<?>[] mtdArgs) {
        if (clz == null || TextUtils.isEmpty(mtdName) || mtdArgs == null) {
            return null;
        }
        Method mtd = null;
        try {
            mtd = clz.getDeclaredMethod(mtdName, mtdArgs);
            mtd.setAccessible(true);
        } catch (NoSuchMethodException e) {
            Log.d(TAG, e.getMessage(), e);
        }
        return mtd;
    }

    static Method getMethod(final Class<?> clz, final String mtdName) {
        if (clz == null || TextUtils.isEmpty(mtdName)) {
            return null;
        }
        Method mtd = null;
        try {
            for (Method m : clz.getDeclaredMethods()) {
                if (m.getName().equals(mtdName)) {
                    mtd = m;
                    mtd.setAccessible(true);
                    break;
                }
            }
        } catch (Exception e) {
            Log.d(TAG, e.getMessage(), e);
        }
        return mtd;
    }
}

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