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adapter design pattern

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Amjad Saeed answered on December 30, 2022 Popularity 10/10 Helpfulness 1/10

answer adapter design pattern

related Adapter Design Pattern

related Adapter pattern

adapter design pattern

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1. Adapter:
The Adapter pattern allows objects with incompatible interfaces to work together. It acts as a bridge between two incompatible interfaces.

Example in ReactJS:

Suppose you have an existing component that fetches data using a callback, but you want to use it with a new component that expects a Promise-based API.

// ExistingComponent.js
const ExistingComponent = ({ fetchData }) => {
  // ...
  useEffect(() => {
    fetchData(data => {
      // Process data
    });
  }, [fetchData]);
  // ...
};

// NewComponent.js
const NewComponent = ({ fetchFunction }) => {
  // ...
  useEffect(() => {
    fetchFunction().then(data => {
      // Process data
    });
  }, [fetchFunction]);
  // ...
};

// Adapter to make ExistingComponent compatible with NewComponent
const adaptCallbackToPromise = (fetchData) => {
  return () => new Promise(resolve => {
    fetchData(data => {
      resolve(data);
    });
  });
};

// Usage
const AdaptedComponent = adaptCallbackToPromise(fetchData);
<NewComponent fetchFunction={AdaptedComponent} />;

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: adapter javascript

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Contributed on Sep 01 2023

Amjad Saeed

0 Answers Avg Quality 2/10

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Adapter Design Pattern

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//MediaAdapter.java
public class MediaAdapter implements MediaPlayer {
  AdvancedPlayer advancedPlayer;
  public MediaAdapter(String format){
     if(format.equalsIgnoreCase("mp4") ){
        advancedPlayer = new Mp4Player();   
     }else if(format.equalsIgnoreCase("wav") ){
        advancedPlayer = new WAVPlayer();   
     }
  }
  @Override
  public void play(String format, String file) {
  
     if(format.equalsIgnoreCase("mp4")){
        advancedPlayer.playMp4(file);
     }
     else if(format.equalsIgnoreCase("wav")){
        advancedPlayer.playWav(file);
     }
  }
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: www.interviewbit.com

Tags: adapter

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Contributed on Dec 30 2022

Deepika Sahu

0 Answers Avg Quality 2/10

Adapter pattern

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// Legacy class with an incompatible interface
public class OldPrinter
{
    public void PrintDocument(string document)
    {
        Console.WriteLine("Printing (Legacy): " + document);
    }
}

// New interface expected by the client
public interface INewPrinter
{
    void Print(string document);
}

// Adapter class to make OldPrinter compatible with the new interface
public class PrinterAdapter : INewPrinter
{
    private readonly OldPrinter oldPrinter;

    public PrinterAdapter(OldPrinter oldPrinter)
    {
        this.oldPrinter = oldPrinter;
    }

    public void Print(string document)
    {
        // Use the old printer's method to fulfill the new interface requirement
        oldPrinter.PrintDocument(document);
    }
}

class Program
{
    static void Main()
    {
        // Client code interacts with the INewPrinter interface
        INewPrinter newPrinter = new PrinterAdapter(new OldPrinter());
        newPrinter.Print("Hello World!");
    }
}

Popularity 9/10 Helpfulness 1/10 Language csharp

Source: chat.openai.com

Tags: adapter

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Contributed on Jul 30 2023

mahnaz foroutan

0 Answers Avg Quality 2/10

adapter design pattern

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