title: Difference between object adapter pattern and class adapter pattern
body: <p>How to decide when to use object adapter and when to use class adapter?</p>
  
  <p>Problem statement:
  To create social networking web site and provide import functionality from facebook, google plus and orkut. I am unable to decide whether to use object adapter or class adapter.</p>
  
  <p>I have had look at <a href="https://stackoverflow.com/questions/5467005/adapter-pattern-class-adapter-vs-object-adapter">Adapter Pattern: Class Adapter vs Object Adapter</a>, but could not understand the essence of the difference.</p>