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package javax.security.auth.message.callback;

import java.security.KeyStore;
import java.security.cert.CertStore;
import javax.security.auth.callback.Callback;

/**
 * Callback for CertStore.
 *
 * <p> A CertStore is a generic repository for certificates.
 * CertStores may be searched to locate public key certificates,
 * as well as to put together certificate chains.
 * Such a search may be necessary when the caller needs to
 * verify a signature.
 *
 * @version %I%, %G%
 */
public class CertStoreCallback implements Callback {

    private CertStore certStore;

    /**
     * Create a CertStoreCallback.
     */
    public CertStoreCallback() { }

    /**
     * Used by the CallbackHandler to set the CertStore within the Callback.
     *
     * @param certStore The certificate store, which may be null
     */
    public void setCertStore(CertStore certStore) {
	this.certStore = certStore;
    }

    /**
     * Used by the CertStore user to obtain the CertStore set within the  
     * Callback.
     *
     * @return The CertStore, or null.
     */
    public CertStore getCertStore() {
	return certStore;
    }
}