com.anrisoftware.fractions.calculator.app.AppLogger Maven / Gradle / Ivy

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/*
 * Copyright 2013-2015 Erwin Müller 
 *
 * This file is part of fractions-calculator-cli.
 *
 * fractions-calculator-cli is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * fractions-calculator-cli is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * fractions-calculator-cli. If not, see .
 */
package com.anrisoftware.fractions.calculator.app;

import static com.anrisoftware.fractions.calculator.app.AppLogger._.denominators;
import static com.anrisoftware.fractions.calculator.app.AppLogger._.error_parse_fraction;
import static com.anrisoftware.fractions.calculator.app.AppLogger._.error_parse_fraction_message;
import static com.anrisoftware.fractions.calculator.app.AppLogger._.invalid_args;
import static com.anrisoftware.fractions.calculator.app.AppLogger._.invalid_args_message;

import java.text.ParseException;
import java.util.Arrays;

import javax.inject.Singleton;

import com.anrisoftware.fractions.calculator.parser.ArgsException;
import com.anrisoftware.globalpom.log.AbstractLogger;

/**
 * Logging messages for {@link App}.
 * 
 * @author Erwin Mueller, [email protected]
 * @since 2.0
 */
@Singleton
class AppLogger extends AbstractLogger {

    enum _ {

        invalid_args("Invalid command line arguments"),

        invalid_args_message("Invalid command line arguments: '{}'"),

        args("arguments"),

        error_parse_fraction("Eror parse continued fraction"),

        error_parse_fraction_message("Eror parse continued fraction from '{}'."),

        denominators("denominators");

        private String name;

        private _(String name) {
            this.name = name;
        }

        @Override
        public String toString() {
            return name;
        }
    }

    /**
     * Creates a logger for {@link App}.
     */
    public AppLogger() {
        super(App.class);
    }

    AppException errorParseArgs(ArgsException e, String[] args) {
        String argss = Arrays.toString(args);
        return logException(new AppException(invalid_args, e).add(args, argss),
                invalid_args_message, argss);
    }

    AppException errorParseFraction(ParseException e, String d) {
        return logException(
                new AppException(error_parse_fraction, e).add(denominators, d),
                error_parse_fraction_message, d);
    }

}