org.openapitools.codegen.OpenAPIGenerator Maven / Gradle / Ivy
/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
* Copyright 2018 SmartBear Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openapitools.codegen;
import io.airlift.airline.Cli;
import io.airlift.airline.Help;
import io.airlift.airline.ParseArgumentsUnexpectedException;
import io.airlift.airline.ParseOptionMissingException;
import io.airlift.airline.ParseOptionMissingValueException;
import org.openapitools.codegen.cmd.*;
import java.util.Locale;
/**
* User: lanwen Date: 24.03.15 Time: 17:56
*
* Command line interface for OpenAPI Generator use `openapi-generator-cli.jar help` for more info
*
* @since 2.1.3-M1
*/
public class OpenAPIGenerator {
public static void main(String[] args) {
String version = Version.readVersionFromResources();
@SuppressWarnings("unchecked")
Cli.CliBuilder builder =
Cli.builder("openapi-generator-cli")
.withDescription(
String.format(
Locale.ROOT,
"OpenAPI generator CLI (version %s).",
version))
.withDefaultCommand(ListGenerators.class)
.withCommands(
ListGenerators.class,
Generate.class,
Meta.class,
Langs.class,
Help.class,
ConfigHelp.class,
Validate.class,
Version.class,
CompletionCommand.class
);
try {
builder.build().parse(args).run();
// If CLI is run without a command, consider this an error. This exists after initial parse/run
// so we can present the configured "default command".
// We can check against empty args because unrecognized arguments/commands result in an exception.
// This is useful to exit with status 1, for example, so that misconfigured scripts fail fast.
// We don't want the default command to exit internally with status 1 because when the default command is something like "list",
// it would prevent scripting using the command directly. Example:
// java -jar cli.jar list --short | tr ',' '\n' | xargs -I{} echo "Doing something with {}"
if (args.length == 0) {
System.exit(1);
}
} catch (ParseArgumentsUnexpectedException e) {
System.err.printf(Locale.ROOT,"[error] %s%n%nSee 'openapi-generator-cli help' for usage.%n", e.getMessage());
System.exit(1);
} catch (ParseOptionMissingException | ParseOptionMissingValueException e) {
System.err.printf(Locale.ROOT,"[error] %s%n", e.getMessage());
System.exit(1);
}
}
}