/*
* Copyright 2013 Nokia Solutions and Networks Oyj
*
* 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 org.robotframework.javalib.keyword;
/**
* A keyword that checks the amount of arguments provided by Robot before
* operating.
*/
public abstract class ArgumentCheckingKeyword extends PreparableKeyword implements ExpectedArgumentCountAware {
protected void prepare(Object[] arguments) {
checkArgumentCount(arguments);
}
private void checkArgumentCount(Object[] arguments) {
int expectedArgumentCount = getExpectedArgumentCount();
if (arguments.length != expectedArgumentCount) {
throw new IllegalArgumentException("Illegal number of arguments (should be " +
expectedArgumentCount + ", but got " + arguments.length + ")");
}
}
}