org.kalypso.model.wspm.ewawi.data.reader.AbstractEwawiReader.java Source code

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Here is the source code for org.kalypso.model.wspm.ewawi.data.reader.AbstractEwawiReader.java

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/** This file is part of Kalypso
 *
 *  Copyright (c) 2012 by
 *
 *  Bjrnsen Beratende Ingenieure GmbH, Koblenz, Germany (Bjoernsen Consulting Engineers), http://www.bjoernsen.de
 *  Technische Universitt Hamburg-Harburg, Institut fr Wasserbau, Hamburg, Germany
 *  (Technical University Hamburg-Harburg, Institute of River and Coastal Engineering), http://www.tu-harburg.de/wb/
 *
 *  Kalypso is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License (LGPL) as published by the Free Software
 *  Foundation, either version 3 of the License, or (at your option) any later version.
 *
 *  Kalypso 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 Kalypso.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kalypso.model.wspm.ewawi.data.reader;

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.lang3.StringUtils;
import org.kalypso.model.wspm.ewawi.data.EwawiPlus;
import org.kalypso.model.wspm.ewawi.data.enums.EwawiHorizont;
import org.kalypso.model.wspm.ewawi.data.enums.EwawiObjectart;
import org.kalypso.model.wspm.ewawi.data.enums.EwawiProfilart;
import org.kalypso.model.wspm.ewawi.data.enums.EwawiPunktart;

/**
 * Encapsulates some common reading code.
 * 
 * @author Gernot Belger
 */
abstract class AbstractEwawiReader {
    private final DateFormat m_ewawiDF = new SimpleDateFormat("dd.MM.yyyy"); //$NON-NLS-1$

    private final EwawiPlus m_data;

    public AbstractEwawiReader(final EwawiPlus data) {
        m_data = data;
    }

    protected EwawiPlus getData() {
        return m_data;
    }

    public void read(final File file) throws IOException, ParseException {
        try (LineNumberReader reader = new LineNumberReader(new FileReader(file))) {
            m_data.setSourceFile(file);
            read(reader);
        }
    }

    private void read(final LineNumberReader reader) throws IOException, ParseException {
        while (reader.ready()) {
            final String line = reader.readLine();
            readLine(line);
        }
    }

    private void readLine(final String line) throws ParseException {
        try {
            final String[] tabs = StringUtils.splitPreserveAllTokens(line, '\t'); //$NON-NLS-1$
            readTabs(tabs);
        } catch (final NumberFormatException e) {
            e.printStackTrace();
            throw new ParseException(line, 0);
        }
    }

    protected abstract void readTabs(final String[] tabs) throws ParseException;

    protected static EwawiObjectart asObjectArt(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        // REMARK: first as int, because we get '1' or '01'
        final Integer asInt = Integer.valueOf(text);

        return EwawiObjectart.valueOf("_" + asInt); //$NON-NLS-1$
    }

    protected static Long asLong(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        return new Long(text);
    }

    protected static EwawiPunktart asPunktart(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        // REMARK: first as int, because we get '1' or '01'
        final Integer asInt = Integer.valueOf(text);

        return EwawiPunktart.valueOf("_" + asInt); //$NON-NLS-1$
    }

    protected static BigDecimal asDecimal(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        return new BigDecimal(text);
    }

    protected Date asDate(final String text) throws ParseException {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        return m_ewawiDF.parse(text);
    }

    protected static String asString(final String text) {
        return text;
    }

    protected static EwawiProfilart asProfilart(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        // REMARK: first as int, because we get '1' or '01'
        final Integer asInt = Integer.valueOf(text);

        return EwawiProfilart.valueOf("_" + asInt); //$NON-NLS-1$
    }

    protected static Short asShort(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        return new Short(text);
    }

    protected static String[] asStringArray(final String text, final char separator) {
        if ("-".equals(text)) //$NON-NLS-1$
            return new String[0];

        return StringUtils.split(text, separator);
    }

    protected static EwawiHorizont asHorizont(final String text) {
        if ("-".equals(text)) //$NON-NLS-1$
            return null;

        // REMARK: first as int, because we get '1' or '01'
        final Integer asInt = Integer.valueOf(text);

        return EwawiHorizont.valueOf("_" + asInt); //$NON-NLS-1$
    }

    protected Long getGewKennzahl(final String gewKennzahlText) {
        final Long gewKennzahl = asLong(gewKennzahlText);
        if (gewKennzahl == null)
            return null;

        // HACK: Because in the river shapes the id will have 15 digits in EWAWI+ only 10 are possible...
        final String format = String.format("%d", gewKennzahl);
        if (format.length() == 10)
            return gewKennzahl * 100000;

        return gewKennzahl;
    }
}