The technical principles of the Minimatch framework and its application in the Java class library

The Minimatch framework is a tool for string matching. It is based on the matching of the matching mode matching algorithm. It can be used in the Java library for application scenarios for various string matching.This article will introduce the technical principles of the Minimatch framework and its application in the Java class library. 1. The technical principles of the Minimatch framework The core technology of the Minimatch framework is based on the matching mode matching algorithm.The passing character is a way of matching the string mode. It uses special symbols to represent the uncertain character or string.In the Minimatch framework, there are two main forms: star (*) and question mark (?). 1. Star numbers (*) are used to match character or string with any length.For example, the pattern "ABC*" can match any string that starts with "ABCD", "ABCD", "ABC123". 2. Question mark (?) It is used to match a single character.For example, the pattern "ab?" Can match any string that starts with "ABA" and "ABB" and follows any single character. By comparing the compatible form mode with the matching string, the minimatch framework can quickly and accurately determine whether it matches.During the matching process, the framework will compare symbols one by one according to the rules of the pass mode, until the matching is successful or failed. 2. The application of the Minimatch framework in the Java library The MINIMATCH framework provides a simple and powerful string matching tool in the Java library, which is suitable for various scenarios, such as file path matching, search filtering, and URL routes. 1. File path matching In the file system, the matching form mode is often used to match the file path.The Minimatch framework can make a simple and efficient match on the file path by providing the routing rules similar to the UNIX system.For example, you can use the following code sample to match the file path: String pattern = "/path/**/*.txt"; String filePath = "/path/dir1/dir2/file.txt"; Minimatch minimatch = new Minimatch(pattern); boolean isMatch = minimatch.match(filePath); System.out.println (ismatch); // Output true 2. Search filter When searching for text, it is often necessary to match the file name or text content.The Minimatch framework can flexibly combine the search conditions through the compatibility mode to achieve precise search filtering.For example, you can use the following code example for search filtering: String pattern = "*.txt"; List<String> fileList = Arrays.asList("file1.txt", "file2.doc", "file3.txt"); Minimatch minimatch = new Minimatch(pattern); List<String> filteredFiles = fileList.stream() .filter(minimatch::match) .collect(Collectors.toList()); System.out.println(filteredFiles); // 输出["file1.txt", "file3.txt"] 3. URL routing In web applications, different routing is usually required to be processed according to the requested URL.The Minimatch framework can match the URL through a compatible form mode to achieve flexible routing processing.For example, the following code examples can be used for URL routing matching: String pattern = "/users/:id"; String url = "/users/123"; Minimatch minimatch = new Minimatch(pattern); boolean isMatch = minimatch.match(url); System.out.println (ismatch); // Output true Through the above examples, we can see the powerful application capabilities of the Minimatch framework in the Java class library.It can not only simplify code implementation, improve development efficiency, but also provide efficient and accurate string matching functions. Summarize: This article introduces the technical principles of the Minimatch framework and its application in the Java class library.The Minimatch framework is based on the compatriots mode matching algorithm, and the string matching is used using a star number and a question mark.In the Java class library, the Minimatch framework can be applied to file path matching, search filtering, and URL routes to simplify development and implementation and improve matching efficiency.By using the Minimatch framework, you can easily handle various string matching requirements to improve the scalability and performance of the application.