D-Net

package eu.dnetlib.msro.openaireplus.workflows.nodes;

import org.apache.commons.lang.StringUtils;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

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

import com.googlecode.sarasvati.Arc;

import com.googlecode.sarasvati.NodeToken;

import eu.dnetlib.msro.openaireplus.workflows.nodes.index.ContextLoader;

import eu.dnetlib.msro.rmi.MSROException;

import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;

public class LoadContextsJobNode extends SimpleJobNode {

	public static final String CONTEXTMAP = "contextmap";

	/**

	 * logger.

	 */

	private static final Log log = LogFactory.getLog(LoadContextsJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM

	@Autowired

	private ContextLoader contextLoader;

	@Override

	protected String execute(final NodeToken token) throws Exception {

		log.info("start preparing job");

		String contexts = contextLoader.load();

		if (StringUtils.isBlank(contexts)) throw new MSROException("empty contexts");

		token.getEnv().setAttribute(CONTEXTMAP, contexts);

		return Arc.DEFAULT_ARC;

	}

}