AutoSizeConstraints.java

/*
 * Copyright 2015 the original author or authors.
 *
 * 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.springframework.shell.table;

/**
 * A SizeConstraints implementation that splits lines at space boundaries
 * and returns an extent with minimal and maximal width requirements.
 *
 * @author Eric Bottard
 */
public class AutoSizeConstraints implements SizeConstraints {

	@Override
	public Extent width(String[] raw, int tableWidth, int nbColumns) {
		int max = 0;
		int min = 0;
		for (String line : raw) {
			String[] words = line.split(" ");
			for (String word : words) {
				min = Math.max(min, word.length());
			}
			max = Math.max(max, line.length());
		}
		return new Extent(min, max);
	}
}