{"id":91421,"date":"2024-03-21T13:51:44","date_gmt":"2024-03-21T04:51:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e6%96%87%e5%ad%97%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/"},"modified":"2024-03-26T15:49:09","modified_gmt":"2024-03-26T06:49:09","slug":"java%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e6%96%87%e5%ad%97%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e6%96%87%e5%ad%97%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92%e5%88%a4%e5%88%a5%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/","title":{"rendered":"java\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u5224\u5225\u3059\u308b\u306b\u306f"},"content":{"rendered":"<p>Java\u3067\u306f\u3001CharsetDetector\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u5224\u5b9a\u3067\u304d\u307e\u3059\u3002\u6700\u521d\u306bjuniversalchardet\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4e0a\u3067\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u5224\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>import org.mozilla.universalchardet.UniversalDetector;\r\n\r\npublic class CharsetDetectorExample {\r\n    public static void main(String[] args) {\r\n        try {\r\n            byte[] data = readFile(\"path\/to\/file\"); \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u4e3a\u5b57\u8282\u6570\u7ec4\r\n            UniversalDetector detector = new UniversalDetector(null);\r\n            detector.handleData(data, 0, data.length);\r\n            detector.dataEnd();\r\n            String charsetName = detector.getDetectedCharset();\r\n            detector.reset();\r\n            System.out.println(\"\u6587\u4ef6\u7684\u5b57\u7b26\u96c6\u7f16\u7801\u4e3a\uff1a\" + charsetName);\r\n        } catch (Exception e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n    \r\n    private static byte[] readFile(String filePath) throws IOException {\r\n        File file = new File(filePath);\r\n        byte[] data = new byte[(int) file.length()];\r\n        try (InputStream in = new FileInputStream(file)) {\r\n            in.read(data);\r\n        }\r\n        return data;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u5185\u5bb9\u3092\u30d0\u30a4\u30c8\u914d\u5217\u3068\u3057\u3066\u8aad\u307f\u53d6\u308b\u305f\u3081\u306b\u3001readFile \u30e1\u30bd\u30c3\u30c9\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001UniversalDetector \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u3001handleData \u30e1\u30bd\u30c3\u30c9\u306b\u30d5\u30a1\u30a4\u30eb\u5185\u5bb9\u304c\u6e21\u3055\u308c\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001getDetectedCharset \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30bb\u30c3\u30c8\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001CharsetDetector\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u5224\u5b9a\u3067\u304d\u307e\u3059\u3002\u6700\u521d\u306bjuniversalchardet\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4e0a\u3067\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-91421","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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