/**
* Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* icense version 2 and the aforementioned licenses.
*
* This program 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 General
* Public License for more details.
*/
package org.n52.ses.eml.v001.filter.temporal;
import org.apache.xmlbeans.XmlObject;
import org.joda.time.Interval;
import org.n52.ses.api.event.MapEvent;
import org.n52.ses.api.exception.FESParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.opengis.fes.x20.TemporalOpsType;
/**
* Temporal filter checking the temporal 'before' condition.
*
*/
public class BeforeFilter extends ATemporalFilter {
private static final Logger logger = LoggerFactory
.getLogger(BeforeFilter.class);
/**
*
* Constructor
*
* @param temporalOps FES temporal operator
*/
public BeforeFilter(TemporalOpsType temporalOps) {
super(temporalOps);
}
@Override
public String createExpressionString(boolean complexPatternGuard) {
StringBuilder sb = new StringBuilder();
XmlObject[] valRef = this.temporalOp.selectChildren(VALUE_REFERENCE_QNAME);
Interval time = null;
if (valRef != null) {
try {
time = getTimeFromValueReference(valRef[0]);
} catch (FESParseException e) {
//TODO log exception and throw
logger.warn(e.getMessage(), e);
}
}
if (time != null) {
sb.append(MapEvent.END_KEY +" < "+ time.getStartMillis());
}
return sb.toString();
}
@Override
public void setUsedProperty(String nodeValue) {
/*empty*/
}
}