```ruby
class IntellijIdea < Cask
  version '14'
  sha256 '9695bedfe145d70010b853cc67d7dc07bf2768e38b5b9034d1f6a00b0b9a15a7'

  url "http://download.jetbrains.com/idea/ideaIU-#{version}.dmg"
  homepage 'https://www.jetbrains.com/idea/index.html'
  license :oss

  app 'IntelliJ IDEA 14.app'

  postflight do
    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{destination_path}/IntelliJ IDEA 14.app/Contents/Info.plist"
  end

  zap :delete => [
                  '~/Library/Application Support/IntelliJIdea14',
                  '~/Library/Preferences/IntelliJIdea14',
                 ]

  caveats <<-EOS.undent
    #{title} may require Java 7 (an older version) available from the
    caskroom-versions repository via

      brew cask install caskroom/versions/java7

    Alternatively, #{title} can be modified to use Java 8 as described in

      https://github.com/caskroom/homebrew-cask/issues/4500#issuecomment-43955932
  EOS
end
```

Correct license of IntelliJ IDEA
user
```ruby
class IntellijIdea < Cask
  version '14'
  sha256 '9695bedfe145d70010b853cc67d7dc07bf2768e38b5b9034d1f6a00b0b9a15a7'

  url "http://download.jetbrains.com/idea/ideaIU-#{version}.dmg"
  homepage 'https://www.jetbrains.com/idea/index.html'
  license :commercial

  app 'IntelliJ IDEA 14.app'

  postflight do
    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{destination_path}/IntelliJ IDEA 14.app/Contents/Info.plist"
  end

  zap :delete => [
                  '~/Library/Application Support/IntelliJIdea14',
                  '~/Library/Preferences/IntelliJIdea14',
                 ]

  caveats <<-EOS.undent
    #{title} may require Java 7 (an older version) available from the
    caskroom-versions repository via

      brew cask install caskroom/versions/java7

    Alternatively, #{title} can be modified to use Java 8 as described in

      https://github.com/caskroom/homebrew-cask/issues/4500#issuecomment-43955932
  EOS
end
```
assistant