Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.lang.reflect.Array;

import java.util.Arrays;

public class Main {
    /**
     * Convert array of given parameters to sting.
     */
    public static String getParametersAsString(Object[] parameters, int maxLength) {
        if (parameters == null || parameters.length == 0) {
            return "";
        }
        StringBuilder builder = new StringBuilder();
        builder.append("[");
        for (int i = 0; i < parameters.length; i++) {
            builder.append(arrayToString(parameters[i]));
            if (i < parameters.length - 1) {
                builder.append(", ");
            }
        }
        return cutEnd(builder.toString(), maxLength) + "]";
    }

    /**
     * {@link Arrays#toString(Object[])} with {@link Arrays#toString(Object[])} for array elements
     */
    public static Object arrayToString(Object obj) {
        if (obj != null && obj.getClass().isArray()) {
            int len = Array.getLength(obj);
            String[] strings = new String[len];
            for (int i = 0; i < len; i++) {
                strings[i] = String.valueOf(Array.get(obj, i));
            }
            return Arrays.toString(strings);
        } else {
            return obj;
        }
    }

    /**
     * Cut all characters from maxLength and replace it with "..."
     */
    public static String cutEnd(String data, int maxLength) {
        if (data.length() > maxLength) {
            return data.substring(0, maxLength) + "...";
        } else {
            return data;
        }
    }
}