fish.payara.nucleus.microprofile.config.converters.InetAddressConverter Maven / Gradle / Ivy

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 * 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
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package fish.payara.nucleus.microprofile.config.converters;

import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.annotation.Priority;
import org.eclipse.microprofile.config.inject.ConfigProperty;
import org.eclipse.microprofile.config.spi.Converter;

/**
 *
 * @author Steve Millidge (Payara Foundation)
 */
@Priority(1)
public class InetAddressConverter implements Converter {

    @Override
    public InetAddress convert(String value) {
        if (value == null) {
            throw new NullPointerException("Cannot convert null value");
        }
        if (value.equals(ConfigProperty.UNCONFIGURED_VALUE)) return null;
        
        try {
            return InetAddress.getByName(value);
        } catch (UnknownHostException ex) {
            throw new IllegalArgumentException(ex);
        }
    }
    
}