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/*
 * Copyright 2017-2020 original authors
 *
 * 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
 *
 * https://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 io.micronaut.starter.cli.command;

import io.micronaut.starter.options.Language;
import picocli.CommandLine;

public class LanguageConverter implements CommandLine.ITypeConverter {

    @Override
    public Language convert(String value) throws Exception {
        if (value == null) {
            return Language.DEFAULT_OPTION;
        } else {
            for (Language bt : Language.values()) {
                if (value.equalsIgnoreCase(bt.toString())) {
                    return bt;
                }
            }
        }
        throw new CommandLine.TypeConversionException("Invalid language selection: " + value);
    }
}