Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/shared/DoubleUtils.java @ 5200:42bb6ff78d1b 2.9.11
Directly set the connectionInitSqls on the datasource
Somehow the factory fails to set the connectionInitSqls if
we add it to the dbcpProperties. So we now set it directly
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Fri, 08 Mar 2013 11:48:33 +0100 |
parents | 51ed89b754ae |
children |
line wrap: on
line source
package de.intevation.flys.client.shared; public final class DoubleUtils { public static final String DEFAULT_DELIM = " "; private DoubleUtils() { } public static Double getDouble(String value) { try { return Double.valueOf(value); } catch (NumberFormatException nfe) { // do nothing } return null; } public static double[] getMinMax(String value) { return getMinMax(value, DEFAULT_DELIM); } public static double[] getMinMax(String value, String delim) { if (value == null) { return null; } String[] values = value.split(delim); int len = values != null ? values.length : 0; double[] mm = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE }; for (int i = 0; i < len; i++) { Double d = getDouble(values[i]); if (d != null) { mm[0] = mm[0] < d ? mm[0] : d; mm[1] = mm[1] > d ? mm[1] : d; } } return mm[0] != Double.MAX_VALUE && mm[1] != -Double.MAX_VALUE ? mm : null; } /** toIndex is not inclusive, fromIndex is. */ static void fill(double[] array, int fromIndex, int toIndex, double val) { for (int i = fromIndex; i < toIndex; i++) { array[i] = val; } } /** @see java.util.Arrays.copyOf */ public static double[] copyOf(double[] toCopy, int newLen) { double[] nArray = new double[newLen]; if (toCopy == null) { fill(nArray, 0, nArray.length, 0d); return nArray; } int goTo = (newLen < toCopy.length) ? newLen : toCopy.length; for (int i = 0; i < goTo; i++) { nArray[i] = toCopy[i]; } fill (nArray, goTo, nArray.length, 0d); return nArray; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :