Comments (4)
Yes, exactly, the result of that stream is
[
["2024-02\n2024-01", "2\n2", "24\n21"],
["2023-12\n2023-11", "2\n1", "3\n23"]
]
from ascii-table.
Yes, it's possible if you do the grouping and then join each cell with newline before passing the data to the library. Here's a quick example:
record Entry(YearMonth yearMonth, int a, int b) {}
List<Entry> data = List.of(
new Entry(YearMonth.of(2024, 2), 2, 24),
new Entry(YearMonth.of(2024, 1), 2, 21),
new Entry(YearMonth.of(2023, 12), 2, 3),
new Entry(YearMonth.of(2023, 11), 1, 23));
BiFunction<List<Entry>, Function<Entry, Object>, String> joiner = (entries, mapper) -> entries.stream()
.map(e -> mapper.apply(e).toString())
.collect(Collectors.joining("\n"));
String[][] groupedData = data.stream()
.collect(Collectors.groupingBy(e -> e.yearMonth().getYear() + "-" + ((e.yearMonth().getMonthValue() - 1) / 2), LinkedHashMap::new, Collectors.toList()))
.values().stream()
.map(entries -> new String[]{joiner.apply(entries, Entry::yearMonth), joiner.apply(entries, Entry::a), joiner.apply(entries, Entry::b)})
.toArray(String[][]::new);
System.out.println(AsciiTable.getTable(groupedData));
prints
+---------+---+----+
| 2024-02 | 2 | 24 |
| 2024-01 | 2 | 21 |
+---------+---+----+
| 2023-12 | 2 | 3 |
| 2023-11 | 1 | 23 |
+---------+---+----+
from ascii-table.
I can't quite figure out what your list-streaming ultimatively achieves. (It does not help that i am actually coding in kotlin. Converting to that seems to break something)
Am i correct in the understanding that you iterate the original data, group them by the first column, and then create a new "entry-object" (the map foom the goupeddata) that contains each grouping as a "single" cell where each row is just appended?
So that AsciiTable.getTable(groupedData)
would recieve exactly 2 rows, given the example?
from ascii-table.
Thank you!
from ascii-table.
Related Issues (17)
- Error in example maven dependency HOT 2
- Column length ignores newlines HOT 1
- using AsciiTable as email body HOT 2
- Couldn't create a table from Collections HOT 2
- Can span columns be implemented? HOT 4
- Custom line/row separator HOT 5
- Add a utility method to get table rows as Collection HOT 6
- Make it possible to cut column data instead of word wrapping when using maxColumnWidth HOT 5
- Allow to configure minColumnWidth HOT 1
- Is it posssible to set a preferred line separator? HOT 2
- Cut column in start instead of end HOT 2
- Make it easier to define table structure and afterwards to select which columns to print HOT 2
- Using colour output leads to table miss alignment HOT 9
- Adding a column that spans entire table as child to each row HOT 3
- Hyperlinks aren't rendered correclty HOT 2
- Ansi color glitch in adjacent cell HOT 7
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from ascii-table.