Web services are developing advanced technologies to provide information to third parties through forms such as RSS and Atom or through web service APIs such as SOAP and REST. However, it is inevitable that you will have to scrape HTML content from websites with no built-in web services at some point in your career. That's when you should take a look and enhance your capability of web scraping using one of the most powerful Java web scraping libraries, Jsoup.
Getting input for parser to create an, HTML document object structure.
Extracting data using DOM from the HTML page.
Extracting data using CSS selector from the HTML page.
Transforming HTML elements to create, update, or remove contents inside elements.
Miscellaneous Jsoup options for empowering parsing ability in various ways.
Cleaning dirty HTML documents to transform malformed or buggy XSS into a well-formed document.
Listing all URLs within in an HTML page to practice the first real-world problem.
Listing all images within in an HTML page is a simple solution to crawling all images in a website.
Software required: Java SDK v6 or above.
Basic network programming
Knowledge of HTML and DOM structure
If you are a Java developer about to make your applications scrape content from some websites and don't have much of an idea on how it works, this book is definitely for you. This book is written as a step-by-step explanation; thus, even a beginner can learn and master Jsoup.
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