/*
* [The "BSD licence"]
* Copyright (c) 2013-2014 Dandelion
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Dandelion nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.dandelion.datatables.core.processor.column;
import java.util.ArrayList;
import java.util.List;
import com.github.dandelion.core.utils.EnumUtils;
import com.github.dandelion.core.utils.StringUtils;
import com.github.dandelion.datatables.core.configuration.ColumnConfig;
import com.github.dandelion.datatables.core.constants.Direction;
import com.github.dandelion.datatables.core.exception.ConfigurationProcessingException;
import com.github.dandelion.datatables.core.processor.AbstractConfigurationProcessor;
/**
* <p>
* Column processor used to configure a sort direction.
*
* @author Thibault Duchateau
* @see ColumnConfig#SORTDIRECTION
*/
public class SortDirectionProcessor extends AbstractConfigurationProcessor {
@Override
public void doProcess() {
if (StringUtils.isNotBlank(stringifiedValue)) {
List<Direction> sortDirections = new ArrayList<Direction>();
String[] sortDirectionArray = stringifiedValue.split(",");
for (String direction : sortDirectionArray) {
try {
sortDirections.add(Direction.valueOf(direction.toUpperCase().trim()));
} catch (IllegalArgumentException e) {
StringBuilder sb = new StringBuilder();
sb.append("'");
sb.append(stringifiedValue);
sb.append("' is not a valid sort direction. Possible values are: ");
sb.append(EnumUtils.printPossibleValuesOf(Direction.class));
throw new ConfigurationProcessingException(sb.toString(), e);
}
}
updateEntry(sortDirections);
}
}
}