How to return Mocks from Mocks

This shows How to mock our a more complicated api. It demonstrates how to return a mock from a mock which is very useful in testing complex apis such as jdk's nio subsystem. This example consists of an example test on one system. The files for the test and the system are the following....

TestExample.java - The test itself
EmailToPhone.java - The api of the system we are testing
EmailToPhoneImpl.java - The system we are testing
PhoneFactory.java - Part of the system we are mocking
Phone.java - Part of the system we are mocking