Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/shared/DoubleUtils.java @ 1499:0372797fc9cf

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Avoid NPE in StyleEditorWindow. flys-client/trunk@3612 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 06 Jan 2012 11:53:14 +0000
parents af6ad7522351
children ff8312688cd5
rev   line source
1279
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.client.shared;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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2
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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3
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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4 public final class DoubleUtils {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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5
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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6 public static final String DEFAULT_DELIM = " ";
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7
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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8
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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9 private DoubleUtils() {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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10 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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11
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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12
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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13 public static Double getDouble(String value) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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14 try {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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15 return Double.valueOf(value);
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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16 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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17 catch (NumberFormatException nfe) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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18 // do nothing
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19 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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20
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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21 return null;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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22 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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23
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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24
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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25 public static double[] getMinMax(String value) {
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26 return getMinMax(value, DEFAULT_DELIM);
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27 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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28
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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29
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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30 public static double[] getMinMax(String value, String delim) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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31 if (value == null) {
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32 return null;
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33 }
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34
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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35 String[] values = value.split(delim);
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36
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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37 int len = values != null ? values.length : 0;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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38 double[] mm = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE };
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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39
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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40 for (int i = 0; i < len; i++) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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41 Double d = getDouble(values[i]);
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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42
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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43 if (d != null) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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44 mm[0] = mm[0] < d ? mm[0] : d;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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45 mm[1] = mm[1] > d ? mm[1] : d;
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46 }
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47 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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48
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49 return mm[0] != Double.MAX_VALUE && mm[1] != -Double.MAX_VALUE
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50 ? mm
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51 : null;
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52 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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53 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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54 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org