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annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java @ 5645:696d710470f5

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flys/issue1077: Show loads as step line, therefore transform data in SedimentLoadFacet to stretch as in the measurement stations bounds. Deal with this new kind of data in the Generator.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 10 Apr 2013 09:35:07 +0200
parents 475dd07c2cb1
children
rev   line source
2575
475dd07c2cb1 New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.exports;
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2
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3 import au.com.bytecode.opencsv.CSVWriter;
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4
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5 import java.util.ArrayList;
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6 import java.util.Arrays;
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7
475dd07c2cb1 New utility to handle more dynamically long csv exported rows.
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8 /**
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9 * Class to overcome shortcoming of CSVWriter to accept String-Arrays only.
475dd07c2cb1 New utility to handle more dynamically long csv exported rows.
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10 * The StepCSVWriter buffers incoming values, such that rows in a csv can be
475dd07c2cb1 New utility to handle more dynamically long csv exported rows.
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11 * created more dynamically. Do not forget to call flush().
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12 */
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13 public class StepCSVWriter {
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14
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15 /** Writer to use when calling flush. */
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16 CSVWriter writer = null;
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17 /** Buffer of strings (values). */
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18 ArrayList<String> buffer;
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19
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20
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21 /** Trivial constructor. */
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22 public StepCSVWriter() {
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23 buffer = new ArrayList<String>();
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24 }
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25
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26
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27 /** Set writer. */
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28 public void setCSVWriter(CSVWriter writer) {
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29 this.writer = writer;
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30 }
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31
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32
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33 /** Add a value to next flush. */
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34 public void addNext(String value) {
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35 buffer.add(value);
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36 }
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37
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38
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39 /** Add many values to next flush. */
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40 public void addNexts(String ... values) {
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41 buffer.addAll(Arrays.asList(values));
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42 }
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43
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44
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45 /** Write the row with csvwriter. */
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46 public void flush() {
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47 writer.writeNext(buffer.toArray(new String[buffer.size()]));
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48 buffer.clear();
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49 }
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50 }
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51 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org