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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * Copyright (c) 2020-2021 Payara Foundation and/or its affiliates. All rights reserved.
 *
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
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 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
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 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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package fish.payara.nucleus.microprofile.config.converters;

import org.eclipse.microprofile.config.inject.ConfigProperty;
import org.eclipse.microprofile.config.spi.Converter;

import jakarta.annotation.Priority;

@Priority(1)
public class ShortConverter implements Converter {

    @Override
    public Short convert(String value) {
        if (value == null) {
            throw new NullPointerException("Cannot convert null value");
        }
        if (value.equals(ConfigProperty.UNCONFIGURED_VALUE)) return null;
        try {
            return Short.parseShort(value);
        }catch (NumberFormatException nfe) {
            throw new IllegalArgumentException(nfe);
        }
    }
}