Java Reflection Method Signature getMethodSignature(Method method)

Here you can find the source of getMethodSignature(Method method)

Description

get Method Signature

License

Apache License

Declaration

private static String getMethodSignature(Method method) 

Method Source Code

//package com.java2s;
/**/* w w  w . j  a  va  2  s.co 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.Method;

public class Main {

    private static String getMethodSignature(Method method) {
        String methodName = method.getName();
        Class<?>[] classes = method.getParameterTypes();

        StringBuilder builder = new StringBuilder();
        builder.append("[ ");
        builder.append(methodName);
        builder.append("(");
        for (int i = 0; i < classes.length; i++) {
            Class<?> aClass = classes[i];
            builder.append(aClass.getName());
            if (i != (classes.length - 1)) {
                builder.append(", ");
            }
        }
        builder.append(")");
        builder.append(" ]");
        return builder.toString();
    }

    private static String getMethodSignature(Method method, Object[] args) {
        String methodName = method.getName();
        Class<?>[] classes = method.getParameterTypes();

        StringBuilder builder = new StringBuilder();
        builder.append("[ ");
        builder.append(methodName);
        builder.append("(");
        builder.append(getMethodParameter(classes, args));
        builder.append(")");
        builder.append(" ]");
        return builder.toString();
    }

    private static String getMethodParameter(Class<?>[] classes, Object[] args) {
        if (args == null) {
            return "";
        }
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < classes.length; i++) {
            Class<?> aClass = classes[i];
            builder.append(aClass.getName());
            builder.append("(");
            builder.append(args[i]);
            builder.append(")");
            if (i != (classes.length - 1)) {
                builder.append(", ");
            }
        }
        return builder.toString();
    }

    private static String getMethodParameter(Object[] args) {
        if (args == null) {
            return "";
        }
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < args.length; i++) {
            Class<?> aClass = args[i].getClass();
            builder.append(aClass.getName());
            builder.append("(");
            builder.append(args[i]);
            builder.append(")");
            if (i != (args.length - 1)) {
                builder.append(", ");
            }
        }
        return builder.toString();
    }
}

Related

  1. getMethod(Signature signature)
  2. getMethodByFunctionSignature(Class clazz, String signature)
  3. getMethodFromSignature(Class clazz, String methodSig)
  4. getMethodSignature(Class[] paramTypes, Class retType)
  5. getMethodSignature(Method m)
  6. getMethodSignature(Method method)
  7. getMethodSignature(Method method)
  8. getMethodSignature(Method method)
  9. getMethodSignature(Method method)