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'databene commons' is an open source Java library by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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.databene.commons.operation;

import org.databene.commons.Converter;
import org.databene.commons.Operation;
import org.databene.commons.converter.NumberParser;

/**
 * Returns the maximum value of several number literals.
 * Created: 08.03.2008 07:18:09
 * @since 0.4.0
 * @author Volker Bergmann
 */
@SuppressWarnings("unchecked")
public class MaxNumberStringOperation implements Operation {

    @SuppressWarnings("rawtypes")
	private MaxOperation operation;
	private Converter parser;

    @SuppressWarnings("rawtypes")
	public MaxNumberStringOperation() {
        this.operation = new MaxOperation();
        this.parser = new NumberParser();
    }

	@Override
	public String perform(String... args) {
	    ComparableWrapper[] wrappers = ComparableWrapper.wrapAll(args, parser);
	    ComparableWrapper min = operation.perform(wrappers);
		return min.realObject;
    }
    
}