/**
* 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 org.structr.common.error.FrameworkException;
import org.structr.schema.action.ActionContext;
import org.structr.schema.action.Function;
/**
*
*/
public class NotFunction extends Function<Object, Object> {
public static final String ERROR_MESSAGE_NOT = "Usage: ${not(bool1, bool2)}. Example: ${not(\"true\", \"true\")}";
@Override
public String getName() {
return "not()";
}
@Override
public Object apply(final ActionContext ctx, final Object caller, final Object[] sources) throws FrameworkException {
if (arrayHasMinLengthAndAllElementsNotNull(sources, 1)) {
return !("true".equals(sources[0].toString()) || Boolean.TRUE.equals(sources[0]));
} else {
logParameterError(caller, sources, ctx.isJavaScriptContext());
}
return true;
}
@Override
public String usage(boolean inJavaScriptContext) {
return ERROR_MESSAGE_NOT;
}
@Override
public String shortDescription() {
return "Negates the given arguments";
}
}