D-Net

package eu.dnetlib.functionality.index.utils;

import java.util.Map;

import java.util.Map.Entry;

import com.google.common.collect.Maps;

import eu.dnetlib.data.provision.index.rmi.IndexServiceException;

import org.antlr.stringtemplate.StringTemplate;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.annotation.Required;

public class IndexConfigFactory {

	private static final Log log = LogFactory.getLog(IndexConfigFactory.class); // NOPMD

																				// by

																				// marko

																				// on

																				// 11/24/08

																				// 5:02

																				// PM

	public enum CONFIG_PARAMS {

		// TODO replace with actual values

		luceneMatchVersion;

		static boolean isValid(final String v) {

			try {

				CONFIG_PARAMS.valueOf(v);

				return true;

			} catch (Throwable e) {

				return false;

			}

		}

	};

	/**

	 * Index configuration template.

	 */

	private StringTemplate solrConfig;

	/**

	 * @param params

	 *            input document

	 * @return the application of the schemaXslt transformation to the docIn

	 *         document

	 * @throws IndexServiceException

	 */

	public String getConfig(final Map<String, String> params)

			throws IndexServiceException {

		final StringTemplate conf = new StringTemplate(getSolrConfig()

				.getTemplate());

		for (Entry<String, String> e : filter(params).entrySet()) {

			log.debug("setting conf property [" + e.getKey() + ":"

					+ e.getValue() + "]");

			conf.setAttribute(e.getKey(), e.getValue());

		}

		return conf.toString();

	}

	private Map<String, String> filter(final Map<String, String> params) {

		return Maps.filterKeys(params, input -> CONFIG_PARAMS.isValid(input));

	}

	public StringTemplate getSolrConfig() {

		return solrConfig;

	}

	@Required

	public void setSolrConfig(final StringTemplate solrConfig) {

		this.solrConfig = solrConfig;

	}

}