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org.tomitribe.crest.table.Lines Maven / Gradle / Ivy

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.tomitribe.crest.table;

import org.tomitribe.util.Join;

import java.util.List;
import java.util.regex.Pattern;

public class Lines {

    private Lines() {
    }

    private static final Pattern separator = Pattern.compile(" *" + System.lineSeparator());

    public static String[] split(final String string) {
        return separator.split(string);
    }

    public static String join(final List list) {
        return Join.join(System.lineSeparator(), list);
    }

    public static String join(final Object... list) {
        return Join.join(System.lineSeparator(), list);
    }

    public static String center(final String string, final int width) {
        final StringBuilder builder = new StringBuilder(width);
        builder.append(string);
        while (builder.length() < width) {
            builder.append(" ");

            if (builder.length() < width) {
                builder.insert(0, " ");
            }
        }
        return builder.toString();
    }
}