Java – How do I make persistent cookies using DefaultHttpClient in Android?

I’m using

// this is a DefaultHttpClient
List<Cookie> cookies = this.getCookieStore().getCookies();

Now, since cookies are not implemented serializable, I can’t serialize the list.

EDIT: (Specify my goal, not just a question).

My goal is to use DefaultHttpClient with persistent cookies.

Can someone with experience guide me down the right path? There may be another best practice that I haven’t found….

Create your own SerializableCookie class > implements serializable and copies the cookie attribute during the build process. Like this:

public class SerializableCookie implements Serializable {

private String name;
    private String path;
    private String domain;
    // ...

public SerializableCookie(Cookie cookie) {
        this.name = cookie.getName();
        this.path = cookie.getPath();
        this.domain = cookie.getDomain();
        // ...
    }

public String getName() {
        return name;
    }

// ...

}

Ensure that all properties are also serializable themselves. In addition to primitives, such as the String class itself already implements Serializable, so you don’t have to worry about that.

Alternatively, you can wrap/decorate the cookie as a transient property (so it is not serialized) and override the writeObject() and readObject() methods

accordingly

public class SerializableCookie implements Serializable {

private transient Cookie cookie;

public SerializableCookie(Cookie cookie) {
        this.cookie = cookie;
    }

public Cookie getCookie() {
        return cookie;
    }

private void writeObject(ObjectOutputStream oos) throws IOException {
        oos.defaultWriteObject();
        oos.writeObject(cookie.getName());
        oos.writeObject(cookie.getPath());
        oos.writeObject(cookie.getDomain());
        // ...
    }

private void readObject(ObjectInputStream ois) throws ClassNotFoundException, IOException {
        ois.defaultReadObject();
        cookie = new Cookie();
        cookie.setName((String) ois.readObject());
        cookie.setPath((String) ois.readObject());
        cookie.setDomain((String) ois.readObject());
        // ...
    }

}

Finally, use the class in List.