D-Net

package eu.dnetlib.oai.info;

import java.util.Arrays;

import java.util.List;

import eu.dnetlib.oai.BadResumptionTokenException;

import org.apache.commons.lang3.StringEscapeUtils;

import org.apache.commons.lang3.StringUtils;

public class ResumptionTokenImpl implements ResumptionToken {

	/**

	 * Total number of documents.

	 */

	private int nMaxElements;

	/**

	 * Requested metadata prefix.

	 */

	private String metadataPrefix;

	/**

	 * Query to use generate the requested records.

	 */

	private String query;

	/**

	 * Number of already read records.

	 */

	private int nRead;

	/**

	 * objIdentifier of the last read document.

	 */

	private String lastObjIdentifier;

	/**

	 * Requested set. Optional.

	 */

	private String requestedSet = "";

	private boolean hasDateRange = false;

	/**

	 * {@inheritDoc}

	 */

	@Override

	public String serialize() {

		String escapedQuery = StringEscapeUtils.escapeXml11(query);

		List<String> info = Arrays.asList("" + nMaxElements, metadataPrefix, escapedQuery, "" + nRead, lastObjIdentifier, "" + hasDateRange, requestedSet);

		return StringUtils.join(info, "|");

	}

	/**

	 * {@inheritDoc}

	 *

	 * @throws BadResumptionTokenException

	 */

	@Override

	public void deserialize(final String token) throws BadResumptionTokenException {

		String[] info = token.split("\\|");

		if (info.length < 6) throw new BadResumptionTokenException(token);

		this.nMaxElements = Integer.parseInt(info[0]);

		this.metadataPrefix = info[1];

		String unescapedQuery = StringEscapeUtils.unescapeXml(info[2]);

		this.query = unescapedQuery;

		this.nRead = Integer.parseInt(info[3]);

		this.lastObjIdentifier = info[4];

		this.hasDateRange = Boolean.valueOf(info[5]);

		if (info.length == 7) {

			this.requestedSet = info[6];

		}

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public int getnMaxElements() {

		return nMaxElements;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setnMaxElements(final int nMaxElements) {

		this.nMaxElements = nMaxElements;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public String getMetadataPrefix() {

		return metadataPrefix;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setMetadataPrefix(final String metadataPrefix) {

		this.metadataPrefix = metadataPrefix;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public String getQuery() {

		return query;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setQuery(final String query) {

		this.query = query;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public int getnRead() {

		return nRead;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setnRead(final int nRead) {

		this.nRead = nRead;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public String getLastObjIdentifier() {

		return lastObjIdentifier;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setLastObjIdentifier(final String lastObjIdentifier) {

		this.lastObjIdentifier = lastObjIdentifier;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public String getRequestedSet() {

		return requestedSet;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setRequestedSet(final String requestedSet) {

		this.requestedSet = requestedSet;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public boolean hasDateRange() {

		return this.hasDateRange;

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void setDateRange(final boolean hasDateRange) {

		this.hasDateRange = hasDateRange;

	}

	@Override

	public String toString() {

		return "ResumptionTokenImpl [nMaxElements=" + nMaxElements + ", metadataPrefix=" + metadataPrefix + ", query=" + query + ", nRead=" + nRead

				+ ", lastObjIdentifier=" + lastObjIdentifier + ", hasDateRange=" + hasDateRange + ", requestedSet=" + requestedSet + "]";

	}

}