gvSIG projects pool

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * 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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.topology.rule;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.task.SimpleTaskStatus;

import org.gvsig.topology.lib.spi.AbstractTopologyRule;

import org.gvsig.topology.lib.spi.AbstractTopologyRuleAction;

import org.gvsig.topology.lib.api.ExecuteTopologyRuleActionException;

import org.gvsig.topology.lib.api.TopologyDataSet;

import org.gvsig.topology.lib.api.TopologyPlan;

import org.gvsig.topology.lib.api.TopologyReport;

import org.gvsig.topology.lib.api.TopologyReportLine;

import org.gvsig.topology.lib.api.TopologyRule;

import org.gvsig.topology.lib.api.TopologyRuleFactory;

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class MustBeLargerThanToleranceLineRule extends AbstractTopologyRule {

    private class DeleteAction extends AbstractTopologyRuleAction {

        public DeleteAction() {

            super(

                MustBeLargerThanToleranceLineRuleFactory.NAME, 

                "delete", 

                "Delete", 

                "Removes line features that would collapse during the validate process based on the topology's tolerance."

            );

        }

        @Override

        public void execute(TopologyRule rule, TopologyReportLine line, DynObject parameters) {

            try {

                TopologyDataSet dataset = line.getDataSet1();

                dataset.delete(line.getFeature1());

            } catch (Exception ex) {

                throw new ExecuteTopologyRuleActionException(ex);

            }

        }

    } 

    public MustBeLargerThanToleranceLineRule( 

            TopologyPlan plan,

            TopologyRuleFactory factory,

            double tolerance,

            String dataSet1,

            String dataSet2

    ) {

        super(plan, factory, tolerance, dataSet1, dataSet2);

        this.addAction(new DeleteAction());

    }

    @Override

    public void check(SimpleTaskStatus taskStatus, TopologyReport report, Feature feature) throws Exception {

        Geometry geom = feature.getDefaultGeometry();

        if( geom.perimeter()<this.getTolerance() ) {

            report.addLine(this, this.getDataSet1(), null,

                    geom, null, feature.getReference(), null, false, 

                    "The length of the line is less than the specified tolerance"

            );

        }

    }

}