zhao yi escribió:
> I didn't see there is any different between guice and factory pattern.
> Is there a full example for using this?
I've used @Assisted and the builder pattern to get something that looks like
your needs.
In the Module:
binder.bind(ISignerFactory.class)
.toProvider(FactoryProvider.newFactory(ISignerFactory.class,
SignerHelper.class));
In SignerHelper:
@Inject @RawSigner ISigner rawSigner;
@Inject @CMSSigner ISigner cmsSigner;
@Inject
public SignerHelper(@Assisted String selectedSigner) {
this.signer = selectedSigner;
}
public ISigner build() {
if (this.signer.equalsIgnoreCase("raw")) {
return rawSigner;
} else if ...
}
And using it like this:
private final ISignerFactory signerFactory;
@Inject
TestSigner(ISignerFactory signerFactory) {
this.signerFactory = signerfactory;
}
public void sign() {
ISigner signer = this.signerFactory.create(selectedSigner).build();
}
I don't know if this is the most correct way to accomplish it, but it works.
Bye
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