/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.function;
import java.util.Arrays;
import org.structr.common.error.FrameworkException;
import org.structr.schema.action.ActionContext;
import org.structr.schema.action.Function;
/**
*
*/
public class SplitRegexFunction extends Function<Object, Object> {
public static final String ERROR_MESSAGE_SPLIT_REGEX = "Usage: ${split_regex(value)}. Example: ${split_regex('foo|bar', '|')}";
@Override
public String getName() {
return "split_regex()";
}
@Override
public Object apply(final ActionContext ctx, final Object caller, final Object[] sources) throws FrameworkException {
if (arrayHasMinLengthAndMaxLengthAndAllElementsNotNull(sources, 1, 2)) {
final String toSplit = sources[0].toString();
String splitExpr = "[,;\\s]+";
if (sources.length >= 2) {
splitExpr = sources[1].toString();
}
return Arrays.asList(toSplit.split(splitExpr));
} else {
logParameterError(caller, sources, ctx.isJavaScriptContext());
}
return "";
}
@Override
public String usage(boolean inJavaScriptContext) {
return ERROR_MESSAGE_SPLIT_REGEX;
}
@Override
public String shortDescription() {
return "Splits the given string by given regex";
}
}