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/**
 * Copyright 2012 Lyncode
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.lyncode.jtwig.functions.internal.string;

import com.lyncode.jtwig.functions.Function;
import com.lyncode.jtwig.functions.exceptions.FunctionException;

import static java.util.Arrays.asList;

public class Split implements Function {
    @Override
    public Object execute(Object... arguments) throws FunctionException {
        if (arguments.length != 2) throw new FunctionException("Invalid number of arguments");
        if (arguments[0] == null) return null;
        if (arguments[1] == null) return arguments[0];
        return asList(arguments[0].toString().split(arguments[1].toString()));
    }
}