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SMadaniSMadani
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refactor: Object-oriented AggregateSnippets
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‎src/main/java/AggregateSnippets.java‎

Lines changed: 82 additions & 50 deletions
Original file line numberDiff line numberDiff line change
@@ -4,52 +4,105 @@
44
import java.nio.file.Path;
55
import java.nio.file.Paths;
66
import java.nio.file.StandardOpenOption;
7-
import java.util.Objects;
7+
import java.util.*;
88

9-
public class AggregateSnippets {
10-
public static void main(String[] args) throws Throwable {
11-
final var repoRoot = Paths.get("").toAbsolutePath();
12-
final var snippetsSrcRoot = repoRoot.resolve("src/main/java/com/vonage/quickstart");
13-
final var classFileName = "AggregateSnippets.java";
14-
var sb = new StringBuilder(1 << 17)
15-
.append("# Vonage Java SDK Code Snippets\n")
9+
public final class AggregateSnippets {
10+
record CodeSnippetFile(
11+
Path file,
12+
int mainStartIndex, int mainEndIndex,
13+
int clientStartIndex, int clientEndIndex
14+
) {
15+
16+
}
17+
18+
private final StringBuilder sb = new StringBuilder(1 << 17);
19+
private final Path snippetsSrcRoot;
20+
private final Collection<CodeSnippetFile> snippetFiles = new LinkedHashSet<>(256);
21+
22+
public AggregateSnippets(Path snippetsSrcRoot) {
23+
this.snippetsSrcRoot = Objects.requireNonNull(snippetsSrcRoot);
24+
}
25+
26+
public String computeContents() throws IOException {
27+
final String classFileName = "AggregateSnippets.java";
28+
sb.append("# Vonage Java SDK Code Snippets\n")
1629
.append("Here are all the snippets in this repository.\n")
1730
.append("This file was generated by running [").append(classFileName)
1831
.append("](src/main/java/").append(classFileName)
1932
.append(") from the root of the repository.")
2033
.append("\n\n## Contents");
2134

22-
var allDirs = Files.list(snippetsSrcRoot)
23-
.filter(Files::isDirectory)
35+
var allDirs = getAllDirsSorted();
36+
37+
for (var file : allDirs) {
38+
var title = toHeadingTitle(file.getName());
39+
sb.append("\n- [**").append(title).append("**](#")
40+
.append(title.toLowerCase().replace(' ', '-')).append(")");
41+
}
42+
sb.append("\n");
43+
44+
for (var file : allDirs) {
45+
appendSnippetContent(file, 2);
46+
}
47+
48+
return sb.toString();
49+
}
50+
51+
private List<File> getAllDirsSorted() {
52+
try (var pathStream = Files.list(snippetsSrcRoot)) {
53+
return pathStream.filter(Files::isDirectory)
2454
.map(Path::toFile)
2555
.sorted((f1, f2) -> {
2656
if (isInitialize(f1)) return -1;
2757
if (isInitialize(f2)) return 1;
2858
return f1.getName().compareToIgnoreCase(f2.getName());
2959
})
3060
.toList();
61+
}
62+
catch (IOException ex) {
63+
System.err.println("Could not read "+snippetsSrcRoot+": " + ex.getMessage());
64+
return List.of();
65+
}
66+
}
3167

32-
for (var file : allDirs) {
33-
var title = toHeadingTitle(file.getName());
34-
sb.append("\n- [**").append(title).append("**](#")
35-
.append(title.toLowerCase().replace(' ', '-')).append(")");
68+
private void appendSnippetContent(File path, int level) throws IOException {
69+
var fileName = path.getName();
70+
if (path.isFile()) {
71+
fileName = fileName.substring(0, fileName.lastIndexOf('.'));
3672
}
37-
sb.append("\n");
73+
if (fileName.trim().length() < 3) return;
3874

39-
for (var file : allDirs) {
40-
appendSnippetContent(sb, file, 2);
75+
sb.append("#".repeat(level)).append(' ').append(toHeadingTitle(fileName)).append('\n');
76+
if (path.isDirectory()) {
77+
for (var file : Objects.requireNonNull(path.listFiles())) {
78+
appendSnippetContent(file, level + 1);
79+
}
4180
}
81+
else if (level > 2 && path.getName().endsWith(".java")) {
82+
final String fileContent = Files.readString(path.toPath()),
83+
clientInitEndStr = ".build();\n\n",
84+
clientInitStartStr = "VonageClient client";
4285

43-
var destPath = repoRoot.resolve("SNIPPETS.md");
44-
Files.deleteIfExists(destPath);
45-
Files.writeString(destPath, sb.toString(), StandardOpenOption.CREATE_NEW);
86+
final int clientInitStartIndex = fileContent.indexOf(clientInitStartStr) - 8,
87+
clientInitEndIndex = fileContent.indexOf(clientInitEndStr) + 11,
88+
endIndex = fileContent.lastIndexOf('}', fileContent.lastIndexOf('}') - 1) - 1,
89+
startIndex = Math.min(endIndex, clientInitStartIndex > 0 ?
90+
(isInitialize(path.getParentFile()) ? clientInitStartIndex : clientInitEndIndex) :
91+
fileContent.indexOf('{', fileContent.indexOf('{') + 1) + 2
92+
);
93+
94+
final String nugget = fileContent.substring(startIndex, endIndex)
95+
.stripTrailing().stripIndent().replace("\t", " ");
96+
97+
sb.append("\n```java\n").append(nugget).append("\n```\n");
98+
}
4699
}
47100

48-
static boolean isInitialize(File file) {
101+
private static boolean isInitialize(File file) {
49102
return file.getName().equals("initialize");
50103
}
51104

52-
static String toHeadingTitle(String title) {
105+
private static String toHeadingTitle(String title) {
53106
var acronyms = new String[]{
54107
"jwt", "id", "uuid", "url", "sim",
55108
"sms", "rcs", "mms", "psd2", "dlr", "cnam",
@@ -74,33 +127,12 @@ static String toHeadingTitle(String title) {
74127
return result;
75128
}
76129

77-
static void appendSnippetContent(StringBuilder contentBuilder, File path, int level) throws IOException {
78-
var fileName = path.getName();
79-
if (path.isFile()) {
80-
fileName = fileName.substring(0, fileName.lastIndexOf('.'));
81-
}
82-
if (fileName.trim().length() < 3) return;
83-
84-
contentBuilder.append("#".repeat(level)).append(' ').append(toHeadingTitle(fileName)).append('\n');
85-
if (path.isDirectory()) {
86-
for (var file : Objects.requireNonNull(path.listFiles())) {
87-
appendSnippetContent(contentBuilder, file, level + 1);
88-
}
89-
}
90-
else if (level > 2 && path.getName().endsWith(".java")) {
91-
final var fileContent = Files.readString(path.toPath());
92-
final var clientInitEndStr = ".build();\n\n";
93-
final var clientInitStartStr = "VonageClient client";
94-
final int endIndex = fileContent.lastIndexOf('}', fileContent.lastIndexOf('}') - 1) - 1;
95-
final int startIndex = Math.min(endIndex, fileContent.contains(clientInitStartStr) ?
96-
(isInitialize(path.getParentFile()) ? fileContent.indexOf(clientInitStartStr) - 8 :
97-
fileContent.indexOf(clientInitEndStr) + clientInitEndStr.length()) :
98-
fileContent.indexOf('{', fileContent.indexOf('{') + 1) + 2
99-
);
100-
101-
final var nugget = fileContent.substring(startIndex, endIndex)
102-
.stripTrailing().stripIndent().replace("\t", " ");
103-
contentBuilder.append("\n```java\n").append(nugget).append("\n```\n");
104-
}
130+
public static void main(String[] args) throws Throwable {
131+
final var repoRoot = Paths.get("").toAbsolutePath();
132+
final var snippetsSrcRoot = repoRoot.resolve("src/main/java/com/vonage/quickstart");
133+
final String contents = new AggregateSnippets(snippetsSrcRoot).computeContents();
134+
var destPath = repoRoot.resolve("SNIPPETS.md");
135+
Files.deleteIfExists(destPath);
136+
Files.writeString(destPath, contents, StandardOpenOption.CREATE_NEW);
105137
}
106138
}

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