de.perdian.commons.lang.conversion.impl.converters.ObjectToStringConverter.java Source code

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Here is the source code for de.perdian.commons.lang.conversion.impl.converters.ObjectToStringConverter.java

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/*
 * Copyright 2013 Christian Robert
 *
 * 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 de.perdian.commons.lang.conversion.impl.converters;

import java.util.Optional;

import org.springframework.core.convert.converter.Converter;

/**
 * Simple converter, that uses to <code>toString</code> method of an object
 * to get it's String value
 *
 * @author Christian Robert
 */

public class ObjectToStringConverter implements Converter<Object, String> {

    @Override
    public String convert(Object source) {
        return Optional.ofNullable(source).map(Object::toString).orElse(null);
    }

}