Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/StepCSVWriter.java @ 6611:dfdeed3e997e

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Shorten and correct waterlevel not in gauge string
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 18 Jul 2013 17:54:44 +0200
parents af13ceeba52a
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import au.com.bytecode.opencsv.CSVWriter;
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12
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13 import java.util.ArrayList;
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14 import java.util.Arrays;
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15
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16 /**
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17 * Class to overcome shortcoming of CSVWriter to accept String-Arrays only.
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18 * The StepCSVWriter buffers incoming values, such that rows in a csv can be
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19 * created more dynamically. Do not forget to call flush().
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20 */
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21 public class StepCSVWriter {
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22
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23 /** Writer to use when calling flush. */
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24 CSVWriter writer = null;
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25 /** Buffer of strings (values). */
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26 ArrayList<String> buffer;
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27
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28
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29 /** Trivial constructor. */
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30 public StepCSVWriter() {
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31 buffer = new ArrayList<String>();
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32 }
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33
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34
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35 /** Set writer. */
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36 public void setCSVWriter(CSVWriter writer) {
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37 this.writer = writer;
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38 }
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39
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40
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41 /** Add a value to next flush. */
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42 public void addNext(String value) {
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43 buffer.add(value);
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44 }
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45
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46
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47 /** Add many values to next flush. */
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48 public void addNexts(String ... values) {
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49 buffer.addAll(Arrays.asList(values));
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50 }
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51
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52
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53 /** Write the row with csvwriter. */
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54 public void flush() {
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55 writer.writeNext(buffer.toArray(new String[buffer.size()]));
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56 buffer.clear();
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57 }
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58 }
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59 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org