de.bytefish.pgbulkinsert.pgsql.handlers.UUIDValueHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of pgbulkinsert-core Show documentation

There is a newer version: 7.0.1

// Licensed under the MIT license. See LICENSE file in the project root for full license information.

package de.bytefish.pgbulkinsert.pgsql.handlers;

import java.io.DataOutputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.UUID;

public class UUIDValueHandler extends BaseValueHandler {

    @Override
    protected void internalHandle(DataOutputStream buffer, final UUID value) throws Exception {
        buffer.writeInt(16);

        ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
        bb.putLong(value.getMostSignificantBits());
        bb.putLong(value.getLeastSignificantBits());

        buffer.writeInt(bb.getInt(0));
        buffer.writeShort(bb.getShort(4));
        buffer.writeShort(bb.getShort(6));

        buffer.write(Arrays.copyOfRange(bb.array(), 8, 16));
    }

    @Override
    public int getLength(UUID value) {
        return 16;
    }
}