Instant Web Scraping with Java

2013 | 72 Pages | ISBN: 1849696888 | PDF | 1 MB

Build simple scrapers or vast armies of Java-based bots to untangle and capture the Web
Overview

Learn something new in an Instant! A short, fast, focused guide delivering immediate results

Get your Java environment set up and running

Gather clean, formatted web data into your own database

Learn how to work around crawler-resistant websites and legally subvert security measures

Use built-in Java features to perform parallel processing and distributed scraping

Build test cases for your own websites using JUnit

Java is often thought of as a stuffy enterprise language, while web scraping is the often-murky domain of scripting languages. By combining the robustness and extensibility of Java with the flexibility and power of web scraping, we can create immensely useful tools that can solve very difficult problems.
Instant Web Scraping with Java will guide you, step by step, through setting up your Java environment. You will also learn how to write simple web scrapers and distributed networks of crawlers. Throughout the book, we will provide useful tips, out-of-the-box working code, and additional resources to build expert knowledge.
Instant Web Scraping with Java will teach how to build your own web scrapers using real-world scraping examples that collect and store data from Wikipedia, public records data sites, IP address geolocation services, and more. You will learn how to run scrapers across multiple servers, run them in parallel, and subvert common methods of anti-scraper security used on modern websites. This book will also provide you with detailed step-by-step instructions, out-of-the-box working code, and expert pointers to further resources on key topics.
Instant Web Scraping with Java will show you how to view and collect any Internet data at the speed of your processor!

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