xpertss.json.schema.format.extra.MacAddressFormatAttribute Maven / Gradle / Ivy

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A Java implementation of the JSON Schema specification.

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package xpertss.json.schema.format.extra;

import com.github.fge.jackson.NodeType;
import xpertss.json.schema.core.exceptions.ProcessingException;
import xpertss.json.schema.core.report.ProcessingReport;
import xpertss.json.schema.format.AbstractFormatAttribute;
import xpertss.json.schema.format.FormatAttribute;
import xpertss.json.schema.processors.data.FullData;
import com.github.fge.msgsimple.bundle.MessageBundle;

import java.util.regex.Pattern;

/**
 * Hypothetical format attribute for {@code mac}
 *
 * This specifier will check if a string instance is a valid MAC address.
 */
public final class MacAddressFormatAttribute extends AbstractFormatAttribute {

    private static final FormatAttribute instance = new MacAddressFormatAttribute();

    // Yep, a regex...
    private static final Pattern MACADDR = Pattern.compile("[A-Za-z0-9]{2}(?::[A-Za-z0-9]{2}){5}");

    public static FormatAttribute getInstance()
    {
        return instance;
    }

    private MacAddressFormatAttribute()
    {
        super("mac", NodeType.STRING);
    }

    @Override
    public void validate(ProcessingReport report, MessageBundle bundle, FullData data)
        throws ProcessingException
    {
        String input = data.getInstance().getNode().textValue();

        if (!MACADDR.matcher(input).matches())
            report.error(newMsg(data, bundle, "err.format.macAddr.invalid")
                .putArgument("value", input));
    }
}