package org.springframework.security.oauth2.provider.implicit;
   
   import java.util.concurrent.ConcurrentHashMap;
   
   import org.springframework.security.oauth2.provider.OAuth2Request;
   import org.springframework.security.oauth2.provider.TokenRequest;
   
   /**
    * In-memory implementation of the ImplicitGrantService.
   * 
   * @author Amanda Anganes
   *
   */
  @SuppressWarnings("deprecation")
  public class InMemoryImplicitGrantService implements ImplicitGrantService {
  
  	protected final ConcurrentHashMap<TokenRequest, OAuth2Request> requestStore = new ConcurrentHashMap<TokenRequest, OAuth2Request>();
  	
  	public void store(OAuth2Request originalRequest, TokenRequest tokenRequest) {
  		this.requestStore.put(tokenRequest, originalRequest);
  	}
  
  	public OAuth2Request remove(TokenRequest tokenRequest) {
  		OAuth2Request request = this.requestStore.remove(tokenRequest);
  		return request;
  	}
  
  }