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Implemented general purpose table utility

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Sxtanna 2020-07-25 22:35:56 -04:00
parent 973484066a
commit 6eb1ecc212
1 changed files with 58 additions and 0 deletions
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src/main/java/me/clip/placeholderapi/util/Format.java Normal file
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package me.clip.placeholderapi.util;
import org.jetbrains.annotations.NotNull;
import java.util.List;
import java.util.Optional;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.util.Arrays.stream;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
import static java.util.stream.IntStream.range;
/**
* For the record, I am not sorry.
*/
public final class Format
{
private Format()
{}
public enum Align
{
LEFT, RIGHT
}
@NotNull
public static Optional<List<String>> tablify(@NotNull final Align align, @NotNull final List<List<String>> rows)
{
return findSpacing(rows)
.map(spacing -> buildFormat(align, spacing))
.map(format -> rows.stream()
.map(row -> String.format(format, row.toArray()).substring(align == Align.RIGHT ? 2 : 0))
.collect(toList()));
}
@NotNull
private static String buildFormat(@NotNull final Align align, @NotNull final int[] spacing)
{
return stream(spacing)
.mapToObj(space -> "%" + (align == Align.LEFT ? "-" : "") + (space + 2) + "s")
.collect(joining());
}
@NotNull
private static Optional<int[]> findSpacing(@NotNull final List<List<String>> rows)
{
return rows.stream()
.map(row -> row.stream().mapToInt(String::length).toArray())
.reduce((l, r) -> range(0, min(l.length, r.length)).map(i -> max(l[i], r[i])).toArray());
}
}