se.skltp.ei.intsvc.notify.NotifyEvaluator Maven / Gradle / Ivy

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/**
 * Copyright (c) 2013 Sveriges Kommuner och Landsting (SKL). 
 *
 * This file is part of SKLTP.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package se.skltp.ei.intsvc.notify;

import org.mule.api.MuleMessage;
import org.mule.api.expression.ExpressionEvaluator;
import org.mule.api.transformer.DataType;
import org.mule.transformer.types.DataTypeFactory;
import org.mule.transformer.types.TypedValue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.soitoolkit.commons.mule.jaxb.JaxbUtil;

import riv.itintegration.engagementindex.processnotificationresponder._1.ProcessNotificationType;

public class NotifyEvaluator implements ExpressionEvaluator {

    private static final Logger log = LoggerFactory.getLogger(NotifyEvaluator.class);
	private static final JaxbUtil jaxbUtil = new JaxbUtil(ProcessNotificationType.class);

    private static final String NAME = "ei-perform-notify";
    
    public String getName() {
    	log.debug("Return evaluator name {}", NAME);
        return NAME;
    }

    public void setName(String name) {
        throw new UnsupportedOperationException("setName");
    }

    public Object evaluate(String expression, MuleMessage message) {
        try {
        	log.debug("Evaluate: {} on message {}", expression, message.getPayload());

    		ProcessNotificationType pn = (ProcessNotificationType)jaxbUtil.unmarshal(message.getPayload());
    		boolean ok = pn.getEngagementTransaction().size() > 0;

        	log.debug("Evaluator return: " + ok);
        	return ok;

        } catch (Exception e) {
        	log.warn("Evaluator failed, return true", e);
        	return true;
        }
    }

	@Override
	public TypedValue evaluateTyped(String expression, MuleMessage message) {
		Object o = evaluate(expression, message);
		@SuppressWarnings("rawtypes")
		DataType dt = DataTypeFactory.createFromObject(o);
		return new TypedValue(o, dt);
	}
}