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DSpace core data model and service APIs.

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.util;

import java.util.UUID;

import org.apache.commons.lang3.StringUtils;

/**
 * Utility class to read UUIDs
 */
public class UUIDUtils {

    /**
     * Default constructor
     */
    private UUIDUtils() { }

    public static UUID fromString(final String identifier) {
        UUID output = null;
        if (StringUtils.isNotBlank(identifier)) {
            try {
                output = UUID.fromString(identifier.trim());
            } catch (IllegalArgumentException e) {
                output = null;
            }
        }
        return output;
    }

    public static String toString(final UUID identifier) {
        return identifier == null ? null : identifier.toString();
    }
}