/*
* Copyright 2016 (C) Tom Parker <thpr@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package pcgen.cdom.format.table;
import java.util.regex.Pattern;
import pcgen.base.formatmanager.FormatManagerFactory;
import pcgen.base.formatmanager.FormatManagerLibrary;
import pcgen.base.util.FormatManager;
import pcgen.base.util.ObjectDatabase;
/**
* An ColumnFormatFactory builds a FormatManager supporting columns of a
* DataTable from the name of the format of the ColumnFormat
*/
public class ColumnFormatFactory implements FormatManagerFactory
{
/**
* A pattern to ensure no column subformat.
*/
private static final Pattern SUB_PATTERN =
Pattern.compile(Pattern.quote("COLUMN["), Pattern.CASE_INSENSITIVE);
/**
* The ObjectDatabase used by ColumnFormatManager objects built by this
* ColumnFormatFactory.
*/
private final ObjectDatabase database;
/**
* Constructs a new ColumnFormatFactory with the given ObjectDatabase to be
* used by ColumnFormatManager objects built by this ColumnFormatFactory.
*
* @param objDatabase
* The ObjectDatabase used by ColumnFormatManager objects built
* by this ColumnFormatFactory
*/
public ColumnFormatFactory(ObjectDatabase objDatabase)
{
this.database = objDatabase;
}
/**
* {@inheritDoc}
*/
@Override
public FormatManager<?> build(String subFormatName,
FormatManagerLibrary library)
{
if (subFormatName == null)
{
throw new IllegalArgumentException(
"Column Format cannot be built from no instructions");
}
if (SUB_PATTERN.matcher(subFormatName).find())
{
/*
* This is currently prohibited because - among other things -
* ColumnFormatFactory has no way to understand a subcolumn
*/
throw new IllegalArgumentException(
"Column Subformat not supported: " + subFormatName
+ " may not contain COLUMN inside COLUMN");
}
return new ColumnFormatManager<>(database,
library.getFormatManager(subFormatName));
}
/**
* {@inheritDoc}
*/
@Override
public String getBuilderBaseFormat()
{
return "COLUMN";
}
}