com.alibaba.druid.support.console.TableFormatter Maven / Gradle / Ivy

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An JDBC datasource implementation.

There is a newer version: 1.2.22

/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * 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.alibaba.druid.support.console;

import java.util.List;

public class TableFormatter {

	public static String format(List rows) {
		String[] titleRow  = rows.get(0);
		int[] maxLens = new int[titleRow.length];
        for (String[] row : rows) {
            for (int j = 0; j < row.length; j++) {
                int len = displayLen(row[j]);
                if (len > maxLens[j]) {
                    maxLens[j] = len;
                }
            }
        }
		StringBuilder sb = new StringBuilder();
		sb.append(makeSplitLine(maxLens));
		for (int i=0; i length) {
		    return old;
		}
		StringBuilder sb = new StringBuilder(old);
		for (int i=0; i< length -vLen ; i++) {
			sb.append(" ");
		}
		return sb.toString();
	}

}