jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
This report presents the forensic synthetic code analysis of jhy/jsoup, a Java project with 11,379 GitHub stars. SynthScan v2.0 examined 61,973 lines of code across 238 source files, recording 238 pattern matches distributed across 3 syntactic categories. The overall adjusted score of 3.5 places this repository in the Likely human-written band.
The scanner applied 160+ deterministic lexical heuristics, multi-line block detectors, abstract syntax tree depth profilers, and a cross-file Jaccard similarity matrix to construct a statistically normalised synthetic code estimate. All matches are individually weighted by severity coefficient and contextual multiplier before summation, and the resulting headline score is temporally discounted to account for the repository's development history relative to the commercial emergence of large language model coding tooling (November 2022 onward).
Longitudinal tracking requires multiple scan runs. Once this repository is re-scanned after new commits land, this chart will visualise how the synthetic code signal evolves over time — enabling you to detect whether AI authorship is growing, stabilising, or being actively corrected by human engineers.
Classifies detected patterns by their diagnostic confidence and structural impact. CRITICAL patterns (coefficient 10) represent definitive synthetic signatures — hallucinated imports, explicit LLM attribution metadata — virtually never produced by human authors. HIGH (5) indicates strong structural tells such as cross-file repetition or cross-linguistic idioms. MEDIUM (2) covers recognisable conversational padding and AI-specific vocabulary. LOW (1) captures subtle indicators like tautological comments and generic boilerplate that require density to carry independent signal.
This horizontal bar chart decomposes the repository's raw synthetic code score by top-level directory, allowing you to pinpoint precisely which modules or components carry the highest AI authorship density. Directories with disproportionately high scores relative to their size warrant targeted manual review: concentrated AI signatures often trace back to mass-generated configuration layers, auto-ported test suites, LLM-scaffolded boilerplate classes, or entire subsystems authored under heavy copilot assistance. Use this view to prioritise your human code-review effort.
The scanner identified 238 distinct pattern matches across 3 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a statistically significant AI authorship indicator. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the diagnostic confidence level (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — comment-context matches receive a ×1.5 weight because LLMs systematically over-annotate. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier as dense clusters constitute far stronger evidence of synthetic authorship than isolated hits.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW⚡ | src/test/resources/htmltests/medium.html | 6 | <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 6 | <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 7 | <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 7 | <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 11 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maece | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 11 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maece | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 16 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan portt | CODE |
| LOW⚡ | src/test/resources/htmltests/medium.html | 16 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan portt | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 4 | <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus d | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 4 | <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus d | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 6 | <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas m | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 6 | <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas m | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 14 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maecena | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 14 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maecena | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 24 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 24 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 48 | <p>Nulla ut felis in purus aliquam imperdiet. Maecenas aliquet mollis lectus. Vivamus consectetuer risus et tortor. <i>V | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 48 | <p>Nulla ut felis in purus aliquam imperdiet. Maecenas aliquet mollis lectus. Vivamus consectetuer risus et tortor. <i>V | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 58 | <p>Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pretium blandit orci. Ut eu diam at pede sus | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 58 | <p>Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pretium blandit orci. Ut eu diam at pede sus | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 70 | <p><b>Morbi mi</b>. Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam i | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 70 | <p><b>Morbi mi</b>. Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam i | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 80 | <p>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitor, cursus quis, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 80 | <p>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitor, cursus quis, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 92 | <p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, vive | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 92 | <p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, vive | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 94 | <p>Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 94 | <p>Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 104 | <p>Vivamus consectetuer risus et tortor. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Prae | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 104 | <p>Vivamus consectetuer risus et tortor. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Prae | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 114 | <p><b>Morbi in dui quis est pulvinar ullamcorper</b>. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 114 | <p><b>Morbi in dui quis est pulvinar ullamcorper</b>. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 126 | <p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 126 | <p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 130 | <p>Proin ut ligula vel nunc egestas porttitor. <b>Class aptent taciti sociosqu ad litora torquent per conubia nostra, pe | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 130 | <p>Proin ut ligula vel nunc egestas porttitor. <b>Class aptent taciti sociosqu ad litora torquent per conubia nostra, pe | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 136 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. <i>Praesent blandit dolor</i>. | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 136 | <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. <i>Praesent blandit dolor</i>. | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 148 | <p><b>Cras metus</b>. Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 148 | <p><b>Cras metus</b>. Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 158 | <p>Proin sodales libero eget ante. Nulla quam. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultrici | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 158 | <p>Proin sodales libero eget ante. Nulla quam. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultrici | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 160 | <p>Praesent libero. Sed cursus ante dapibus diam. Sed nisi. Nulla quis sem at nibh elementum imperdiet. <b>Nulla ut feli | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 160 | <p>Praesent libero. Sed cursus ante dapibus diam. Sed nisi. Nulla quis sem at nibh elementum imperdiet. <b>Nulla ut feli | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 170 | <p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, vive | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 170 | <p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, vive | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 182 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maecena | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 182 | <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. Maecena | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 184 | <p><b>Praesent libero</b>. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torq | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 184 | <p><b>Praesent libero</b>. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torq | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 192 | <p>Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam maur | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 192 | <p>Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam maur | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 204 | <p>Vivamus consectetuer risus et tortor. <b>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede</b>. Lo | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 204 | <p>Vivamus consectetuer risus et tortor. <b>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede</b>. Lo | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 214 | <p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 214 | <p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagit | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 238 | <p>Vivamus consectetuer risus et tortor. <i>Curabitur sit amet mauris</i>. Lorem ipsum dolor sit amet, consectetur adipi | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 238 | <p>Vivamus consectetuer risus et tortor. <i>Curabitur sit amet mauris</i>. Lorem ipsum dolor sit amet, consectetur adipi | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 248 | <p><b>Integer lacinia sollicitudin massa</b>. Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed p | CODE |
| LOW⚡ | src/test/resources/htmltests/large.html | 248 | <p><b>Integer lacinia sollicitudin massa</b>. Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed p | CODE |
| 176 more matches not shown… | ||||
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| CRITICAL | src/test/java/org/jsoup/integration/ProxyTest.java | 149 | // https://github.com/jhy/jsoup/pull/2403 - Ubuntu Azul 25 throws `Cannot invoke "jdk.internal.net.http.Exch | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | …/java11/org/jsoup/integration/HttpClientConnectIT.java | 21 | // noop; can't interrupt the client via the calling thread; probably not required as timeouts are robust | COMMENT |