Adapter

Usage

• Also known as: Wrapper
• Match interfaces of different classes
• Convert the interface of a class into another interface clients expect
• Let classes work together that couldn't otherwise because of incompatible interfaces

Diagram

Participants

Target

• Defines the domain-specific interface that Client uses.

Adapter

• Adapts the interface Adaptee to the Target interface.

Adaptee

• Defines an existing interface that needs adapting.

Client

• Collaborates with objects conforming to the Target interface.