1 //a comment //indent:0 exp:0
2 package com.puppycrawl.tools.checkstyle.checks.indentation.indentation; //indent:0 exp:0
3
4 import java.util.Arrays; //indent:0 exp:0
5 import java.util.List; //indent:0 exp:0
6 import java.util.Optional; //indent:0 exp:0
7 import java.util.function.BinaryOperator; //indent:0 exp:0
8 import java.util.function.Consumer; //indent:0 exp:0
9 import java.util.stream.Collectors; //indent:0 exp:0
10 import java.util.stream.Stream; //indent:0 exp:0
11
12
13 public class InputIndentationLambda3 { //indent:0 exp:0
14 public <T> Consumer<Integer> par(Consumer<Integer> f1, Consumer<Integer> f2) { //indent:4 exp:4
15 return f2; //indent:12 exp:8 warn
16 } //indent:4 exp:4
17
18 private void print(int i) { //indent:4 exp:4
19 } //indent:4 exp:4
20
21 public Consumer<Integer> returnFunctionOfLambda() { //indent:4 exp:4
22 return par( //indent:8 exp:8
23 (x) -> print(x * 1), //indent:20 exp:20
24 (x) -> print(x * 2) //indent:16 exp:16
25 ); //indent:8 exp:8
26 } //indent:4 exp:4
27
28 public static <T> BinaryOperator<T> returnLambda() { //indent:4 exp:4
29 return (t1, t2) -> { //indent:12 exp:8 warn
30 return t1; //indent:12 exp:16 warn
31 }; //indent:8 exp:12 warn
32 } //indent:4 exp:4
33
34 class TwoParams { //indent:4 exp:4
35 TwoParams(Consumer<Integer> c1, Consumer<Integer> c2) { //indent:8 exp:8
36 } //indent:8 exp:8
37 } //indent:4 exp:4
38
39 public void makeTwoParams() { //indent:4 exp:4
40 TwoParams t0 = new TwoParams( //indent:8 exp:8
41 intValueA //indent:16 exp:16
42 -> print(intValueA * 1), //indent:24 exp:24
43 (x) -> //indent:20 exp:20
44 print(x * 2) //indent:24 exp:24
45 ); //indent:8 exp:8
46
47 TwoParams t1 = new TwoParams( //indent:8 exp:8
48 x //indent:16 exp:16
49 -> print(x * 1), //indent:24 exp:24
50 (aggregateValue) -> //indent:16 exp:16
51 print(aggregateValue * 2)); //indent:24 exp:24
52 } //indent:4 exp:4
53
54 // see https://github.com/checkstyle/checkstyle/issues/5969 //indent:4 exp:4
55 List<Integer> test(List<String> input) { //indent:4 exp:4
56 return input.stream() //indent:8 exp:8
57 .flatMap(each -> Arrays.stream(each.split(""))) //indent:16 exp:16
58 .flatMap(in -> Arrays.stream(in.split(""))) //indent:16 exp:16
59 // only 2 char parameter has violation //indent:16 exp:16
60 .map(Integer::valueOf) //indent:16 exp:16
61 .collect(Collectors.toList()); //indent:16 exp:16
62 } //indent:4 exp:4
63
64 String test2(String input) { //indent:4 exp:4
65 return Optional.ofNullable(input) //indent:12 exp:8 warn
66 .filter(in //indent:16 exp:16
67 -> //indent:28 exp:28
68 in.contains("e")) //indent:20 exp:20
69 .filter(inp -> inp.contains("e")) //indent:12 exp:12
70 // only 3 char parameter has violation //indent:16 exp:16
71 .orElse(null); //indent:16 exp:16
72 } //indent:4 exp:4
73
74 // see https://github.com/checkstyle/checkstyle/issues/7675 //indent:4 exp:4
75 public void test(Stream<Inner<?>> stream) { //indent:4 exp:4
76 stream //indent:8 exp:8
77 .sorted() //indent:0 exp:0
78 .filter(ps -> ps instanceof Inner) //indent:0 exp:0
79 .map(ps -> ((Inner<?>) ps).getPropertyNames()) //indent:16 exp:16
80 // This line above originally breaks //indent:16 exp:16
81 .forEach(System.out::println); //indent:16 exp:16
82 } //indent:4 exp:4
83
84 private static class Inner<T> { //indent:4 exp:4
85 String[] getPropertyNames() { //indent:8 exp:8
86 return new String[] {"a", "b"}; //indent:12 exp:12
87 } //indent:12 exp:8 warn
88 } //indent:4 exp:4
89 } //indent:0 exp:0