com.kenshoo.pl.entity.spi.audit.DefaultAuditFieldValueFormatter Maven / Gradle / Ivy

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A Java persistence layer based on JOOQ for high performance and business flow support.

There is a newer version: 0.1.121-jooq-3.16.3

package com.kenshoo.pl.entity.spi.audit;

import com.kenshoo.pl.entity.EntityField;

import java.util.Optional;

import static java.util.Objects.requireNonNull;

/**
 * This is the default formatter for field values to be included in an AuditRecord.

 * It formats values using the {@code String} {@link com.kenshoo.pl.entity.ValueConverter} defined for a given field.

 * If no such converter is defined, the default string representation of the value is returned.

 *
 * @see EntityField#getStringValueConverter()
 */
public class DefaultAuditFieldValueFormatter implements AuditFieldValueFormatter {

    public static final AuditFieldValueFormatter INSTANCE = new DefaultAuditFieldValueFormatter();

    private DefaultAuditFieldValueFormatter() {
        // singleton
    }

    @Override
    public  String format(final EntityField field, final T value) {
        requireNonNull(field, "A field is required");
        requireNonNull(value, "A value is required");

        return Optional.ofNullable(field.getStringValueConverter())
                       .map(converter -> converter.convertTo(value))
                       .orElse(String.valueOf(value));
    }
}