Сравнение урлов в Java

Okay, I’m totally hacked! java.net.URL class officially sucks! The equals method on this shining example of the JDK API mess actually does a blocking DNS lookup on the host string to resolve to an IP address and then compares the IP addresses rather than the host string. What freakin’ sense does that make?

Simple example:

URL url1 = new URL("http://foo.example.com");
URL url2 = new URL("http://example.com");

Let’s say these map to these IP addresses:

http://foo.example.com => 245.10.10.1
http://example.com => 245.10.10.1

Here’s the scary part:

url1.equals(url2) => true!