com.lyncode.jtwig.functions.internal.string.Title Maven / Gradle / Ivy
/**
* 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 org.apache.commons.lang3.text.WordUtils;
import static com.lyncode.jtwig.functions.util.Requirements.requires;
import static org.hamcrest.CoreMatchers.equalTo;
public class Title implements Function {
@Override
public Object execute(Object... arguments) throws FunctionException {
requires(arguments)
.withNumberOfArguments(equalTo(1));
if (arguments[0] == null)
return null;
return WordUtils.capitalize((String) arguments[0]);
}
}