org.kalypso.model.wspm.pdb.ui.internal.gaf.BwpWriter.java Source code

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Here is the source code for org.kalypso.model.wspm.pdb.ui.internal.gaf.BwpWriter.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.wspm.pdb.ui.internal.gaf;

import java.io.File;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.Locale;

import org.apache.commons.io.IOUtils;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.kalypso.model.wspm.core.gml.classifications.IVegetationClass;
import org.kalypso.model.wspm.pdb.ui.internal.WspmPdbUiPlugin;
import org.kalypso.model.wspm.pdb.ui.internal.i18n.Messages;
import org.kalypso.model.wspm.ui.view.table.handler.VegetationClassComparator;

/**
 * Writes the vegetation classes to a file.
 * 
 * @author Holger Albert
 */
public class BwpWriter {
    /**
     * The constructor.
     */
    public BwpWriter() {
    }

    public IStatus write(final IVegetationClass[] vegetationClasses, final File file, IProgressMonitor monitor) {
        /* Monitor. */
        if (monitor == null)
            monitor = new NullProgressMonitor();

        /* The writer. */
        PrintWriter writer = null;

        try {
            /* Monitor. */
            monitor.beginTask(Messages.getString("BwpWriter_0"), 100 * vegetationClasses.length); //$NON-NLS-1$
            monitor.subTask(Messages.getString("BwpWriter_1")); //$NON-NLS-1$

            /* Create the writer. */
            writer = new PrintWriter(file);

            /* Write the header line. */
            writer.println("KENN\tdp\tax\tay\t\"Bewuchsdefinition\""); //$NON-NLS-1$

            /* Loop the vegetation classes. */
            Arrays.sort(vegetationClasses, new VegetationClassComparator());
            for (final IVegetationClass vegetationClass : vegetationClasses) {
                /* Write the vegetation class. */
                writeVetegationClass(vegetationClass, writer);

                /* Monitor. */
                monitor.worked(100);
            }

            return new Status(IStatus.OK, WspmPdbUiPlugin.PLUGIN_ID, Messages.getString("BwpWriter_3")); //$NON-NLS-1$
        } catch (final Exception ex) {
            return new Status(IStatus.ERROR, WspmPdbUiPlugin.PLUGIN_ID,
                    String.format(Messages.getString("BwpWriter_4"), ex.getLocalizedMessage()), ex); //$NON-NLS-1$
        } finally {
            /* Close the writer. */
            IOUtils.closeQuietly(writer);

            /* Monitor. */
            monitor.done();
        }
    }

    private void writeVetegationClass(final IVegetationClass vegetationClass, final PrintWriter writer) {
        /* Create the line. */
        final StringBuilder builder = new StringBuilder();
        builder.append("%s\t"); //$NON-NLS-1$
        builder.append("%s\t"); //$NON-NLS-1$
        builder.append("%s\t"); //$NON-NLS-1$
        builder.append("%s\t"); //$NON-NLS-1$
        builder.append("\"%s\""); //$NON-NLS-1$

        /* Get the data to write. */
        final String name = vegetationClass.getName();

        String dp = "-1"; //$NON-NLS-1$
        final BigDecimal dp1 = vegetationClass.getDp();
        if (dp1 != null)
            dp = String.format(Locale.PRC, "%.3f", dp1.doubleValue()); //$NON-NLS-1$

        String ax = "-1"; //$NON-NLS-1$
        final BigDecimal ax1 = vegetationClass.getAx();
        if (ax1 != null)
            ax = String.format(Locale.PRC, "%.3f", ax1.doubleValue()); //$NON-NLS-1$

        String ay = "-1"; //$NON-NLS-1$
        final BigDecimal ay1 = vegetationClass.getAy();
        if (ay1 != null)
            ay = String.format(Locale.PRC, "%.3f", ay1.doubleValue()); //$NON-NLS-1$

        String comment = ""; //$NON-NLS-1$
        final String comment1 = vegetationClass.getComment();
        if (comment1 != null)
            comment = comment1;

        /* Write the line. */
        writer.format(Locale.PRC, builder.toString(), name, dp, ax, ay, comment);
        writer.println();
    }
}