The latest articles on DEV Community by Ajit Singh (@ajit_singh_3adb4debf5b324). https://dev.to/ajit_singh_3adb4debf5b324 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1501340%2F1f296dc2-5de1-49d6-853b-f5b120c980d8.jpg https://dev.to/ajit_singh_3adb4debf5b324 en Ajit Singh Thu, 16 May 2024 11:57:24 +0000 https://dev.to/ajit_singh_3adb4debf5b324/file-extension-from-byte-array-2lm9 https://dev.to/ajit_singh_3adb4debf5b324/file-extension-from-byte-array-2lm9 <div class="ltag__stackexchange--container"> <div class="ltag__stackexchange--title-container"> <div class="ltag__stackexchange--title"> <div class="ltag__stackexchange--header"> <img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev.to%2Fassets%2Fstackoverflow-logo-b42691ae545e4810b105ee957979a853a696085e67e43ee14c5699cf3e890fb4.svg" alt=""> <a href="https://stackoverflow.com/questions/78487516/get-the-file-extension-from-byte-array" rel="noopener noreferrer"> Get the file extension from byte array </a> </div> <div class="ltag__stackexchange--post-metadata"> <span>May 16 '24</span> <span>Comments: 3</span> <span>Answers: 0</span> </div> </div> <a class="ltag__stackexchange--score-container" href="https://stackoverflow.com/questions/78487516/get-the-file-extension-from-byte-array" rel="noopener noreferrer"> <img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev.to%2Fassets%2Fstackexchange-arrow-up-eff2e2849e67d156181d258e38802c0b57fa011f74164a7f97675ca3b6ab756b.svg" alt=""> <div class="ltag__stackexchange--score-number"> 0 </div> <img src="https://media.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev.to%2Fassets%2Fstackexchange-arrow-down-4349fac0dd932d284fab7e4dd9846f19a3710558efde0d2dfd05897f3eeb9aba.svg" alt=""> </a> </div> <div class="ltag__stackexchange--body"> <p>Below is the code snippet to get the file extension</p> <pre><code>public static Map&lt;String, String&gt; getImageType(byte[] imageContent) throws Exception { Map&lt;String, String&gt; result = new HashMap&lt;String, String&gt;() TikaConfig config = TikaConfig.getDefaultConfig(); MediaType mediaType = config.getMimeRepository().detect(new ByteArrayInputStream(imageContent), new Metadata()); MimeType mimeType = config.getMimeRepository().forName(mediaType.toString()) result.put("extn", mimeType.getExtension().replaceFirst(".", "")); return result; } </code></pre> <p>tika-core dependency used…</p> </div> <div class="ltag__stackexchange--btn--container"> <a href="https://stackoverflow.com/questions/78487516/get-the-file-extension-from-byte-array" class="ltag__stackexchange--btn" rel="noopener noreferrer">Open Full Question</a> </div> </div>