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/* |
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$Id$ |
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Copyright (C) 2006, 2007 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 modify it |
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under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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BASE is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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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.parser; |
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|
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import java.text.NumberFormat; |
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import java.util.Date; |
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|
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import net.sf.basedb.util.formatter.Formatter; |
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import net.sf.basedb.util.parser.FlatFileParser.Data; |
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/** |
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Returns the string found in the column given by the index |
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set in the constructor. If the index is larger than the number |
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of columns, an empty string is returned. |
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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 ColumnMapper |
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implements Mapper |
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{ |
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private final int index; |
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private final String name; |
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private final NumberFormat parser; |
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private final Formatter<Date> dateParser; |
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private final boolean nullIfException; |
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|
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/** |
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Create a new column mapper. |
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@param index The index of the data column to use, starting at 0 |
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@param name An optional name of the column, use in the <code>toString</code> |
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method |
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*/ |
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public ColumnMapper(int index, String name) |
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{ |
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this(index, name, null, null, false); |
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} |
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|
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/** |
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Create a new column mapper using a specific number format. |
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@param index The index of the data column to use, starting at 0 |
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@param name An optional name of the column, use in the <code>toString</code> |
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method |
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@param nullIfException If TRUE, the mapper returns null for unparsable numeric |
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values, otherwise an excption is thrown |
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@param parser The parser to use or null to use Double.valueOf() |
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@since 2.4 |
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@deprecated In 3.15, use {@link ColumnMapper#ColumnMapper(int, String, NumberFormat, Formatter, boolean)} instead |
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*/ |
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@Deprecated |
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public ColumnMapper(int index, String name, NumberFormat parser, boolean nullIfException) |
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{ |
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this(index, name, parser, null, nullIfException); |
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} |
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|
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/** |
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Create a new column mapper using a specific number or date format. |
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@param index The index of the data column to use, starting at 0 |
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@param name An optional name of the column, use in the <code>toString</code> |
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method |
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@param nullIfException If TRUE, the mapper returns null for unparsable numeric |
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values, otherwise an excption is thrown |
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@param parser The parser to use for numeric values or null to use Double.valueOf() |
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@param dateParser The parser to use for date values |
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@since 3.15 |
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*/ |
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public ColumnMapper(int index, String name, NumberFormat parser, Formatter<Date> dateParser, boolean nullIfException) |
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{ |
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this.index = index; |
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this.name = name; |
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this.parser = parser; |
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this.dateParser = dateParser; |
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this.nullIfException = nullIfException; |
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} |
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|
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/* |
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From the Mapper interface |
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------------------------------------------- |
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*/ |
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@Override |
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@Deprecated |
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public String getValue(Data data) |
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{ |
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return getString(data); |
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} |
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@Override |
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public String getString(Data data) |
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{ |
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return index < data.columns() ? data.getString(index) : null; |
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} |
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@Override |
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public Integer getInt(Data data) |
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{ |
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return index < data.columns() ? data.getInt(index, parser, nullIfException) : null; |
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} |
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@Override |
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public Long getLong(Data data) |
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{ |
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return index < data.columns() ? data.getLong(index, parser, nullIfException) : null; |
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} |
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@Override |
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public Float getFloat(Data data) |
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{ |
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return index < data.columns() ? data.getFloat(index, parser, nullIfException) : null; |
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} |
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@Override |
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public Double getDouble(Data data) |
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{ |
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return index < data.columns() ? data.getDouble(index, parser, nullIfException) : null; |
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} |
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@Override |
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public Date getDate(Data data) |
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{ |
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return index < data.columns() ? data.getDate(index, dateParser, nullIfException) : null; |
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} |
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// ------------------------------------------- |
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|
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/* |
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From the Object class |
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------------------------------------------- |
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*/ |
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@Override |
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public String toString() |
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{ |
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return name == null ? "\\" + index + "\\" : "\\" + name + "\\"; |
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} |
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// ------------------------------------------- |
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|
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} |
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|