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/** |
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$Id$ |
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Copyright (C) 2006 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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|
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 3 |
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of the License, or (at your option) any later version. |
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|
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.formatter; |
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import net.sf.basedb.util.Values; |
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import net.sf.basedb.util.excel.ExcelFormatter; |
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import net.sf.basedb.util.excel.ExcelValue; |
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|
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/** |
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Formats a number for output on a web page. |
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|
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@author nicklas |
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@version 2.2 |
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@base.modified $Date$ |
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*/ |
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public class NumberFormatter |
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implements Formatter<Number>, ExcelFormatter<Number, Number> |
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{ |
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|
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private int numDecimals; |
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private boolean doubleValues; |
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|
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/** |
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Create a new number formatter. |
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@param numDecimals The number of decimals to display, or a negative |
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value to display all decimals |
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@param doubleValues If the {@link #parseString(String)} should return double |
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or float values |
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@see Values#formatNumber(Float, int) |
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*/ |
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public NumberFormatter(int numDecimals, boolean doubleValues) |
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{ |
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this.numDecimals = numDecimals; |
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this.doubleValues = doubleValues; |
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} |
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|
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/* |
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From the Formatter interface |
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------------------------------------------- |
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*/ |
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@Override |
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public String format(Number value) |
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{ |
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return value == null ? "" : Values.formatNumber(value.floatValue(), numDecimals); |
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} |
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@Override |
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public Number parseString(String value) |
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{ |
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if (value == null) return null; |
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Number n = null; |
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if (doubleValues) |
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{ |
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n = Double.valueOf(value); |
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} |
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else |
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{ |
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n = Float.valueOf(value); |
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} |
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return n; |
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} |
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// ------------------------------------------- |
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|
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/** |
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@since 3.15 |
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*/ |
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@Override |
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public ExcelValue<Number> toExcelValue(Number value) |
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{ |
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return ExcelValue.asNumber(value, numDecimals); |
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} |
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|
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} |