com.arch.util.LogUtils Maven / Gradle / Ivy

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package com.arch.util;

import java.text.SimpleDateFormat;
import java.util.Date;

public final class LogUtils {

    private static final String SEPARATOR = "########################################################################################\n";
    private static final int STACKTRACE_INITIAL = 2;
    private static final int STACKTRACE_FINAL = 3;

    private static int posicao = STACKTRACE_INITIAL;

    private LogUtils() {
        super();
    }

    public static void start() {
        posicao = STACKTRACE_FINAL;
        generate("##### * * * I N I C I O * * * #####");
    }

    public static void end() {
        posicao = STACKTRACE_FINAL;
        generate("##### * * * F I M * * * #####");
    }


    public static void generate(String msg) {
        String nomeClasseChamador = clazzCall();
        String nomeMetodoChamador = methodCall();
        int linhaChamador = lineCall();
        generate(nomeClasseChamador, nomeMetodoChamador, linhaChamador, msg, true);
    }

    public static void generate() {
        String nomeClasseChamador = clazzCall();
        String nomeMetodoChamador = methodCall();
        int linhaChamador = lineCall();
        generate(nomeClasseChamador, nomeMetodoChamador, linhaChamador, "*** PONTO DE LOG ***", true);
    }

    public static void warning(String descricao) {
        String nomeClasseChamador = clazzCall();
        String nomeMetodoChamador = methodCall();
        int linhaChamador = lineCall();

        generate(nomeClasseChamador,
                nomeMetodoChamador,
                linhaChamador,
                "\n" +
                        SEPARATOR +
                        SEPARATOR +
                        "####### ---> " + descricao + "\n" +
                        SEPARATOR +
                        SEPARATOR,
                true);
    }

    public static void warning() {
        String nomeClasseChamador = clazzCall();
        String nomeMetodoChamador = methodCall();
        int linhaChamador = lineCall();

        generate(nomeClasseChamador,
                nomeMetodoChamador,
                linhaChamador,
                "\n" +
                        SEPARATOR +
                        SEPARATOR +
                        "####### ---> PONTO DE LOG\n" +
                        SEPARATOR +
                        SEPARATOR,
                true);
    }


    public static void generate(Exception ex) {
        ex.printStackTrace();
    }

    public static void generateSilent(Exception ex) {
        //
    }


    private static String methodCall() {
        Throwable thr = new Throwable();
        thr.fillInStackTrace();
        StackTraceElement[] ste = thr.getStackTrace();
        return ste[posicao].getMethodName();
    }

    private static String clazzCall() {
        Throwable thr = new Throwable();
        thr.fillInStackTrace();
        StackTraceElement[] ste = thr.getStackTrace();

        String retorno = ste[posicao].getClassName();

        if (retorno.contains(".")) { // Pegar o nome da classe sem o pacote...
            retorno = retorno.substring(retorno.lastIndexOf('.') + 1);
        }

        return retorno;
    }

    private static int lineCall() {
        Throwable thr = new Throwable();
        thr.fillInStackTrace();
        StackTraceElement[] ste = thr.getStackTrace();
        return ste[posicao].getLineNumber();
    }

    private static void generate(String clazz, String method, int row, String message, boolean showMessage) {
        if (showMessage) {
            System.out.println(timeLocal() + " - " + clazz + ":" + row + " - " + method + " - " + message);
        }

        posicao = STACKTRACE_INITIAL;
    }

    private static String timeLocal() {
        return new SimpleDateFormat("HH:mm:ss").format(new Date());
    }

}