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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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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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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.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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A generic formatter that simply formats objects by calling the |
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toString() method. Null values are converted to the empty string. |
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|
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@author nicklas |
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@version 2.0 |
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@base.modified $Date$ |
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*/ |
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public class ToStringFormatter<T> |
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implements Formatter<T>, ExcelFormatter<T, String> |
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{ |
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|
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/** |
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Create a new integer formatter. |
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*/ |
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public ToStringFormatter() |
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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(T value) |
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{ |
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return value == null ? "" : value.toString(); |
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} |
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@Override |
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public T parseString(String value) |
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{ |
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throw new UnsupportedOperationException("parseString"); |
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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<String> toExcelValue(T value) |
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{ |
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return value == null ? ExcelValue.emptyCell() : ExcelValue.asString(format(value)); |
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} |
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|
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} |