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/* --------------------------------------------------------------------
* Inugami
* --------------------------------------------------------------------
*
* This program 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, version 3.
*
* This program 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 this program. If not, see .
*/
package io.inugami.commons.cli;
import io.inugami.api.exceptions.Asserts;
import org.apache.commons.cli.*;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
/**
* DefaultOptions
*
* @author patrick_guillerm
* @since 28 juin 2017
*/
@SuppressWarnings({"java:S127"})
public class DefaultOptions {
// =========================================================================
// ATTRIBUTES
// =========================================================================
private static final String[] ARGS = {"-a", "-action", "-h", "-help", "-v", "-verbose", "-d", "-debug", "-r",
"-report", "-dryRun"};
private final String action;
private final boolean showHelp;
private final boolean verbose;
private final boolean debug;
private final boolean dryRun;
private final File reportFile;
private final String defaultHelp;
private final String[] otherOptions;
// =========================================================================
// CONSTRUCTORS
// =========================================================================
public DefaultOptions(final String... args) {
super();
final Options options = new Options();
options.addOption(new Option("a", "action", true, "CLI action to execute"));
options.addOption(new Option("h", "help", true, "CLI action to execute"));
options.addOption(new Option("v", "verbose", true, "enable verbose"));
options.addOption(new Option("d", "debug", true, "enable debug mode"));
options.addOption(new Option("r", "report", true, "Report file path"));
options.addOption(new Option("dryRun", true, "enable debug mode"));
final CommandLineParser parser = new DefaultParser();
CommandLine cmd = null;
try {
cmd = parser.parse(options, args, true);
} catch (final ParseException e) {
throw new IllegalArgumentException(e.getMessage(), e);
}
action = cmd.getOptionValue('a');
Asserts.assertNotEmpty("action is mandatory!", action);
showHelp = Boolean.parseBoolean(cmd.getOptionValue('h'));
verbose = Boolean.parseBoolean(cmd.getOptionValue('v'));
debug = Boolean.parseBoolean(cmd.getOptionValue('d'));
dryRun = Boolean.parseBoolean(cmd.getOptionValue("dryRun"));
final String reportFilePath = cmd.getOptionValue('r');
reportFile = reportFilePath == null ? null : new File(reportFilePath);
defaultHelp = buildDefaultHelp(options);
otherOptions = buildOtherProperties(args);
}
private String[] buildOtherProperties(final String... args) {
final List result = new ArrayList<>();
for (int i = 0; i < args.length; i++) {
final String value = args[i];
if (isDefualtArg(value)) {
i++;
} else {
result.add(value);
}
}
final String[] type = {};
return result.toArray(type);
}
private boolean isDefualtArg(final String value) {
boolean result = false;
for (final String arg : ARGS) {
if (arg.equals(value)) {
result = true;
break;
}
}
return result;
}
public final String buildDefaultHelp(final Options options) {
final StringBuilder result = new StringBuilder();
options.getOptions().stream().map(this::buildOptionHelp).forEach(result::append);
return result.toString();
}
public String buildOptionHelp(final Option option) {
final StringBuilder result = new StringBuilder();
result.append('\n');
if (option.getOpt() != null) {
result.append('-').append(option.getOpt()).append('\t');
}
if (option.getOpt() != null) {
result.append('-').append(option.getLongOpt()).append('\t');
}
result.append('\t').append(':').append(option.getDescription());
return result.toString();
}
// =========================================================================
// OVERRIDES
// =========================================================================
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("DefaultOptions [action=");
builder.append(action);
builder.append(", showHelp=");
builder.append(showHelp);
builder.append(", verbose=");
builder.append(verbose);
builder.append(", debug=");
builder.append(debug);
builder.append(", dryRun=");
builder.append(dryRun);
builder.append("]");
return builder.toString();
}
// =========================================================================
// GETTERS & SETTERS
// =========================================================================
public String getAction() {
return action;
}
public boolean isShowHelp() {
return showHelp;
}
public boolean isVerbose() {
return verbose;
}
public boolean isDebug() {
return debug;
}
public boolean isDryRun() {
return dryRun;
}
public String getDefaultHelp() {
return defaultHelp;
}
public Optional getReportFile() {
return Optional.ofNullable(reportFile);
}
public String[] getOtherOptions() {
return otherOptions;
}
}
