MailClenaParameterParser.java

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/*
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 MailClena - Copyright (C) 2018, Aiki IT
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 This program is free software: you can redistribute it and/or modify
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 it under the terms of the GNU General Public License as published by
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 the Free Software Foundation, either version 3 of the License, or
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 (at your option) any later version.
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 This program is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 GNU General Public License for more details.
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 You should have received a copy of the GNU General Public License
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 along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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package de.aikiit.mailclena;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Strings;
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import lombok.NoArgsConstructor;
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import lombok.extern.log4j.Log4j2;
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import org.apache.commons.cli.*;
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import java.util.Optional;
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/**
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 * Extract application configuration from given main()-arguments.
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 */
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@Log4j2
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@NoArgsConstructor
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public final class MailClenaParameterParser {
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    /**
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     * Extracts any given configuration parameters into a {@link MailConfiguration}.
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     *
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     * @param args command-line arguments.
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     * @return complete mail configuration.
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     * @throws IllegalArgumentException if any parameter cannot be parsed properly.
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     */
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    Optional<MailConfiguration> extractConfiguration(String... args) throws IllegalArgumentException {
43 2 1. extractConfiguration : negated conditional → KILLED
2. extractConfiguration : negated conditional → KILLED
 
        if (args == null || args.length == 0) {
44 1 1. extractConfiguration : removed call to de/aikiit/mailclena/MailClenaParameterParser::printHelp → SURVIVED
 
            printHelp();
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        } else {
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            try {
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                final CommandLineParser parser = new DefaultParser();
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                final CommandLine cmd = parser.parse(getAvailableOptions(), args);
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                final MailConfiguration.MailConfigurationBuilder mailConfigurationBuilder = MailConfiguration.builder();
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52 1 1. extractConfiguration : negated conditional → KILLED
 
                if (!Strings.isNullOrEmpty(cmd.getOptionValue(MailClenaCommandLineOptions.HOST.getOpt())) &&
53 1 1. extractConfiguration : negated conditional → KILLED
 
                    !Strings.isNullOrEmpty(cmd.getOptionValue(MailClenaCommandLineOptions.USERNAME.getOpt())) &&
54 1 1. extractConfiguration : negated conditional → KILLED
 
                    !Strings.isNullOrEmpty(cmd.getOptionValue(MailClenaCommandLineOptions.PASSWORD.getOpt()))) {
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                    mailConfigurationBuilder.host(cmd.getOptionValue(MailClenaCommandLineOptions.HOST.getOpt()));
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                    mailConfigurationBuilder.username(cmd.getOptionValue(MailClenaCommandLineOptions.USERNAME.getOpt()));
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                    mailConfigurationBuilder.password(cmd.getOptionValue(MailClenaCommandLineOptions.PASSWORD.getOpt()));
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59 1 1. extractConfiguration : negated conditional → KILLED
 
                    if (!Strings.isNullOrEmpty(cmd.getOptionValue(MailClenaCommandLineOptions.COMMAND.getOpt()))) {
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                        mailConfigurationBuilder.command(cmd.getOptionValue(MailClenaCommandLineOptions.COMMAND.getOpt()));
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                    } else {
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                        mailConfigurationBuilder.command("list");
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                    }
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                    final MailConfiguration mailConfiguration = mailConfigurationBuilder.build();
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                    log.debug("Extracted configuration from given parameters : {}", mailConfiguration);
67 1 1. extractConfiguration : replaced return value with Optional.empty for de/aikiit/mailclena/MailClenaParameterParser::extractConfiguration → KILLED
 
                    return Optional.of(mailConfiguration);
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                }
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            } catch (ParseException | NullPointerException e) {
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                log.error("Unable to parse given command line parameters", e);
72 1 1. extractConfiguration : removed call to de/aikiit/mailclena/MailClenaParameterParser::printHelp → SURVIVED
 
                printHelp();
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                throw new IllegalArgumentException("Exception while parsing command line arguments");
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            }
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        }
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        return Optional.empty();
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    }
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    private void printHelp() {
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        final HelpFormatter formatter = new HelpFormatter();
81 1 1. printHelp : removed call to org/apache/commons/cli/HelpFormatter::printHelp → SURVIVED
 
        formatter.printHelp("MailClena", getAvailableOptions());
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    }
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    /**
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     * Convert enumeration elements into command-line options.
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     *
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     * @return available parameter options converted as CLI option elements.
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     */
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    @VisibleForTesting
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    Options getAvailableOptions() {
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        Options o = new Options();
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        for (MailClenaCommandLineOptions option : MailClenaCommandLineOptions.values()) {
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            o.addOption(new Option(option.getOpt(), option.name().toLowerCase(), true, option.getDescription()));
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        }
96 1 1. getAvailableOptions : replaced return value with null for de/aikiit/mailclena/MailClenaParameterParser::getAvailableOptions → KILLED
 
        return o;
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    }
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    /**
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     * Available command-line options to set MailClena's configuration parameters.
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     */
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    @VisibleForTesting
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    enum MailClenaCommandLineOptions {
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        /**
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         * Specify host name option.
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         */
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        HOST("h", "Hostname - example: https://imap.yourisp.org"),
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        /**
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         * Specify username option.
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         */
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        USERNAME("u", "Username - example: myuser@tld.org"),
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        /**
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         * Specify password option.
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         */
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        PASSWORD("p", "Password - example: myfancypassword"),
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        /**
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         * Specify command for execution within the application.
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         */
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        COMMAND("c", "Command to execute - example: 'list' or 'clean', if no operation is given defaults to 'list'");
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        private final String opt;
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        private final String desc;
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        MailClenaCommandLineOptions(final String option, final String description) {
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            this.opt = option;
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            this.desc = description;
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        }
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        /**
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         * Returns the shortcut of the current command.
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         *
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         * @return option shortcut of the current command-line option.
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         */
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        String getOpt() {
135 1 1. getOpt : replaced return value with "" for de/aikiit/mailclena/MailClenaParameterParser$MailClenaCommandLineOptions::getOpt → KILLED
 
            return opt;
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        }
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        /**
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         * Returns a longer and verbald description of the current command.
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         *
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         * @return verbal description of the current command-line option.
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         */
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        String getDescription() {
144 1 1. getDescription : replaced return value with "" for de/aikiit/mailclena/MailClenaParameterParser$MailClenaCommandLineOptions::getDescription → SURVIVED
 
            return desc;
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        }
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    }
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}

Mutations

43

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:callWithNullOrEmptyParameter()] negated conditional → KILLED

2.2
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] negated conditional → KILLED

44

1.1
Location : extractConfiguration
Killed by : none removed call to de/aikiit/mailclena/MailClenaParameterParser::printHelp → SURVIVED Covering tests

52

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] negated conditional → KILLED

53

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] negated conditional → KILLED

54

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] negated conditional → KILLED

59

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] negated conditional → KILLED

67

1.1
Location : extractConfiguration
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:verifyCommandIsParsedIfPresent()] replaced return value with Optional.empty for de/aikiit/mailclena/MailClenaParameterParser::extractConfiguration → KILLED

72

1.1
Location : extractConfiguration
Killed by : none removed call to de/aikiit/mailclena/MailClenaParameterParser::printHelp → SURVIVED Covering tests

81

1.1
Location : printHelp
Killed by : none removed call to org/apache/commons/cli/HelpFormatter::printHelp → SURVIVED Covering tests

96

1.1
Location : getAvailableOptions
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:callMainWithUsernameParameter()] replaced return value with null for de/aikiit/mailclena/MailClenaParameterParser::getAvailableOptions → KILLED

135

1.1
Location : getOpt
Killed by : de.aikiit.mailclena.MailClenaParameterParserTest.[engine:junit-jupiter]/[class:de.aikiit.mailclena.MailClenaParameterParserTest]/[method:callMainWithUsernameParameter()] replaced return value with "" for de/aikiit/mailclena/MailClenaParameterParser$MailClenaCommandLineOptions::getOpt → KILLED

144

1.1
Location : getDescription
Killed by : none replaced return value with "" for de/aikiit/mailclena/MailClenaParameterParser$MailClenaCommandLineOptions::getDescription → SURVIVED Covering tests

Active mutators

Tests examined


Report generated by PIT 1.20.0