org.kalypso.model.hydrology.internal.postprocessing.Block.java Source code

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Here is the source code for org.kalypso.model.hydrology.internal.postprocessing.Block.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 *
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 *
 *  and
 *
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact:
 *
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *
 *  ---------------------------------------------------------------------------*/
package org.kalypso.model.hydrology.internal.postprocessing;

import java.io.File;
import java.io.IOException;
import java.io.LineNumberReader;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Map.Entry;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;

import org.apache.commons.lang3.StringUtils;
import org.kalypso.contribs.java.lang.NumberUtils;

/**
 * @author Gernot Belger
 */
public class Block {
    private final String m_key;

    private final BlockTimeStep m_timeStep;

    private final Calendar m_currentStep;

    private final SortedMap<Date, Double> m_data = new TreeMap<>();

    public Block(final String key, final BlockTimeStep timeStep) {
        m_key = key;
        m_timeStep = timeStep;
        m_currentStep = m_timeStep.getStart();
    }

    public String getKey() {
        return m_key;
    }

    public void readValues(final LineNumberReader reader, final int numValues) throws IOException {
        int valueCount = 0;

        while (reader.ready()) {
            final String line = reader.readLine();
            if (line == null)
                break;

            if (line.startsWith("#")) //$NON-NLS-1$
                continue;

            if (StringUtils.isBlank(line))
                continue;

            final String[] values = StringUtils.split(line, null);
            for (final String item : values) {
                m_timeStep.step(m_currentStep);

                final Date valueDate = m_currentStep.getTime();

                final double value = NumberUtils.parseQuietDouble(item);

                m_data.put(valueDate, value);

                valueCount++;

                if (valueCount >= numValues)
                    return;
            }
        }
    }

    public void exportToFile(final File exportFile, final DateFormat dateFormat) throws IOException {
        final PrintWriter writer = new PrintWriter(exportFile);

        final Set<Entry<Date, Double>> entrySet = m_data.entrySet();
        for (final Entry<Date, Double> entry : entrySet) {
            final Date dateKey = entry.getKey();
            final Double value = entry.getValue();
            final String dateString = dateFormat.format(dateKey);
            writer.print(dateString);
            writer.print(' ');
            writer.format("%.3f", value); //$NON-NLS-1$
        }
        writer.close();
    }

    public Date[] getDates() {
        return m_data.keySet().toArray(new Date[m_data.keySet().size()]);
    }

    public Double getValue(final Date date) {
        return m_data.get(date);
    }
}