1+ package io .github .simbo1905 .tracker ;
2+
3+ import jdk .sandbox .java .util .json .Json ;
4+ import jdk .sandbox .java .util .json .JsonArray ;
5+ import jdk .sandbox .java .util .json .JsonBoolean ;
6+ import jdk .sandbox .java .util .json .JsonObject ;
7+ import jdk .sandbox .java .util .json .JsonString ;
8+ import jdk .sandbox .java .util .json .JsonValue ;
9+ import jdk .sandbox .java .util .json .JsonParseException ;
10+
11+ import java .util .logging .Level ;
12+ import java .util .logging .Logger ;
13+ import java .util .logging .ConsoleHandler ;
14+ import java .util .logging .SimpleFormatter ;
15+
16+ /**
17+ * Main entry point for the API Tracker tool.
18+ *
19+ * This tool analyzes Java API structures and tracks changes between
20+ * the OpenJDK sandbox java.util.json implementation and this backport.
21+ */
22+ public class ApiTrackerMain {
23+ private static final Logger LOGGER = Logger .getLogger (ApiTrackerMain .class .getName ());
24+
25+ static {
26+ // Configure logging with a clean formatter
27+ Logger rootLogger = Logger .getLogger ("" );
28+ rootLogger .setLevel (Level .INFO );
29+
30+ // Remove default handlers
31+ for (var handler : rootLogger .getHandlers ()) {
32+ rootLogger .removeHandler (handler );
33+ }
34+
35+ // Add console handler with simple formatting
36+ ConsoleHandler consoleHandler = new ConsoleHandler ();
37+ consoleHandler .setLevel (Level .ALL );
38+ consoleHandler .setFormatter (new SimpleFormatter () {
39+ @ Override
40+ public synchronized String format (java .util .logging .LogRecord record ) {
41+ return String .format ("[%s] %s - %s%n" ,
42+ record .getLevel ().getName (),
43+ record .getLoggerName (),
44+ formatMessage (record )
45+ );
46+ }
47+ });
48+ rootLogger .addHandler (consoleHandler );
49+ }
50+
51+ public static void main (String [] args ) {
52+ LOGGER .info ("Starting API Tracker v0.1-SNAPSHOT" );
53+
54+ // Validate our JSON parsing works correctly
55+ if (!validateJsonBackport ()) {
56+ LOGGER .severe ("JSON backport validation failed" );
57+ System .exit (1 );
58+ }
59+
60+ LOGGER .info ("JSON backport validation successful" );
61+
62+ // TODO: Implement API analysis logic
63+ LOGGER .info ("API Tracker initialized successfully" );
64+ }
65+
66+ /**
67+ * Validates that the JSON backport is working correctly.
68+ * Tests various JSON structures to ensure compatibility.
69+ */
70+ private static boolean validateJsonBackport () {
71+ try {
72+ // Test complex JSON structure
73+ String testJson = """
74+ {
75+ "apiTracker": {
76+ "version": "0.1-SNAPSHOT",
77+ "modules": {
78+ "core": "java-util-json-java21",
79+ "tracker": "java-util-json-java21-api-tracker"
80+ },
81+ "features": [
82+ "API extraction",
83+ "Structural comparison",
84+ "GitHub integration"
85+ ],
86+ "config": {
87+ "autoTrack": true,
88+ "createIssues": true,
89+ "trackInterval": 86400
90+ }
91+ }
92+ }
93+ """ ;
94+
95+ LOGGER .fine ("Parsing test JSON structure" );
96+ JsonValue parsedValue = Json .parse (testJson );
97+
98+ if (!(parsedValue instanceof JsonObject root )) {
99+ LOGGER .severe ("Expected JsonObject but got: " + parsedValue .getClass ().getName ());
100+ return false ;
101+ }
102+
103+ // Navigate the structure to validate parsing
104+ JsonObject apiTracker = (JsonObject ) root .members ().get ("apiTracker" );
105+ String version = ((JsonString ) apiTracker .members ().get ("version" )).value ();
106+
107+ if (!"0.1-SNAPSHOT" .equals (version )) {
108+ LOGGER .severe ("Version mismatch: expected 0.1-SNAPSHOT, got " + version );
109+ return false ;
110+ }
111+
112+ // Validate nested objects
113+ JsonObject modules = (JsonObject ) apiTracker .members ().get ("modules" );
114+ LOGGER .fine ("Found modules: " + modules .members ().size ());
115+
116+ // Validate array handling
117+ JsonArray features = (JsonArray ) apiTracker .members ().get ("features" );
118+ LOGGER .fine ("Found features: " + features .values ().size ());
119+
120+ // Validate boolean handling
121+ JsonObject config = (JsonObject ) apiTracker .members ().get ("config" );
122+ boolean autoTrack = ((JsonBoolean ) config .members ().get ("autoTrack" )).value ();
123+
124+ if (!autoTrack ) {
125+ LOGGER .warning ("autoTrack is disabled in test configuration" );
126+ }
127+
128+ // Test edge cases
129+ testEdgeCases ();
130+
131+ LOGGER .info ("All JSON validation tests passed" );
132+ return true ;
133+
134+ } catch (JsonParseException e ) {
135+ LOGGER .log (Level .SEVERE , "JSON parsing failed" , e );
136+ return false ;
137+ } catch (ClassCastException e ) {
138+ LOGGER .log (Level .SEVERE , "Unexpected JSON structure" , e );
139+ return false ;
140+ } catch (Exception e ) {
141+ LOGGER .log (Level .SEVERE , "Unexpected error during validation" , e );
142+ return false ;
143+ }
144+ }
145+
146+ /**
147+ * Tests edge cases for JSON parsing.
148+ */
149+ private static void testEdgeCases () throws JsonParseException {
150+ // Empty object
151+ Json .parse ("{}" );
152+
153+ // Empty array
154+ Json .parse ("[]" );
155+
156+ // Null value
157+ Json .parse ("{\" key\" : null}" );
158+
159+ // Unicode handling
160+ Json .parse ("{\" unicode\" : \" Hello \\ u4e16\\ u754c\" }" );
161+
162+ // Number formats
163+ Json .parse ("{\" int\" : 42, \" float\" : 3.14, \" exp\" : 1.23e-4}" );
164+
165+ LOGGER .fine ("Edge case tests completed" );
166+ }
167+ }
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