The Jakarta Element Construction Set (ECS) is an open source project for creating markup language documents using the Java language and an object-oriented approach. Can be used to format logs into well-formatted HTML files
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Use the Element Construction Set to create formatted logs
The Jakarta Element Construction Set (ECS) is an open source project for creating markup language documents using the Java language and an object-oriented approach. Java developer Amit Tuli provides an introduction to ECS and shows you a step-by-step approach for using it to generate well-formatted status reports from log files. You will create a sample application to help you better understand ECS and its usage. You'll also learn some other potential uses for the API.
In this article, you will learn how to use the Jakarta Element Construction Set (ECS), a set of Java classes that you can use to develop applications that generate well-formatted markup documents. I'll walk you through the process of downloading and using the ECS libraries to develop a sample application that can read various log files and generate a status report in HTML format from them. I won't go into the details of the application that generates the log files; instead, I'll just assume that the application uses a standardized format for its log files. (Of course, you can use the ECS libraries with various log file formats that are different from the format we'll use here, though you would need to modify the parsing algorithm for extracting the required information from log files accordingly.) You could write similar code or a plugin to convert your own streamed or complex logs into well-formatted HTML files for better readability and easier use.
Large enterprise applications -- like application servers, testing applications, or online systems with transactional logging -- generate a huge number of log files. Reading the complete log and extracting a summary of useful data can be difficult and time-consuming. An HTML-formatted summary report can present the data in a more readable way. But the generation of a large HTML file within a Java application is another tough job. The example we'll examine together offers a simple and manageable approach for generating HTML documents using the Jakarta ECS API. The techniques that we'll use can be extended to any application requiring the generation of markup documents.
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Use the Element Construction Set to create formatted logs.
The Jakarta Element Construction Set (ECS) is an open source project for creating markup language documents using the Java language and an object-oriented approach. Can be used to format logs into well-formatted HTML files
|
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