Daisy HTML Cleaner Framework Java Class Library How to get started quickly
Daisy HTML Cleaner Framework Java Class Library How to get started quickly
Overview:
Daisy HTML Cleaner is a powerful Java class library that is used to clean up and convert HTML documents.It provides a set of simple and easy -to -use APIs to help developers quickly analyze, clean up and operate HTML to achieve high -quality document conversion and extraction.
step:
1. Download and import Daisy HTML Cleaner class library:
-We first, you need to download the latest version of Daisy HTML Cleaner from the official website (http://daisy.htmlcleaner.org/).
-The download .jar files were imported into your Java project.
2. Create HTML Cleaner instance:
-Colon the following code to create an HTML Cleaner object:
HtmlCleaner cleaner = new HtmlCleaner();
3. Load and analyze HTML files:
-In use the following code loading and parsing HTML file:
// Load the html file
TagNode htmlNode = cleaner.clean(new File("path/to/html/file.html"));
// or load the html file from the URL
TagNode htmlNode = cleaner.clean(new URL("http://www.example.com"));
// Load from HTML strings
String htmlContent = "<html><body><h1>Hello, World!</h1></body></html>";
TagNode htmlNode = cleaner.clean(htmlContent);
4. Converting and cleaning operation of the application of html documentation:
-Daisy HTML Cleaner provides many methods to provide different types of document operations. Here are some common usage examples:
4.1 Delete excess tags:
// Delete all <div> tags
htmlNode = cleaner.remove(htmlNode, "//div");
4.2 Replacement label:
// Replace <H1> tags to <H2>
htmlNode = cleaner.rename(htmlNode, "//h1", "h2");
4.3 Extract specified element:
// Extract all the links in HTML
Object[] linkNodes = htmlNode.evaluateXPath("//a");
4.4 Get elements content:
// Get the first <h1> tag text content
Object[] headingNodes = htmlNode.evaluateXPath("//h1");
if (headingNodes.length > 0) {
String headingText = ((TagNode) headingNodes[0]).getText().toString();
System.out.println(headingText);
}
4.5 Clean up HTML document:
// Clean up HTML documents
CleanerProperties props = cleaner.getProperties();
props.setOmitDoctypeDeclaration(true);
// Sequence to HTML string
String cleanedHtml = cleaner.getInnerHtml(htmlNode);
5. After the necessary operation is performed, you can use the HTML document or the data extracted to further process it.
These simple steps can help you quickly get started with Daisy HTML Cleaner framework.According to your needs, you can further explore the more functions and flexibility of this type of library.I hope this article provides you with some help and guidance to use Daisy HTML Cleaner.
