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Integration with Google Guice for Ratpack applications - https://code.google.com/p/google-guice/

There is a newer version: 2.0.0-rc-1

/*
 * Copyright 2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ratpack.guice.internal;

import com.google.inject.Key;
import ratpack.exec.Execution;
import ratpack.http.Request;

import java.util.HashMap;

public class RequestScope extends ExecutionBasedScope {

  static class Store extends HashMap, Object> {}

  public RequestScope() {
    super(Store.class, "a request");
  }

  @Override
  protected Store createStore() {
    return new Store();
  }

  @Override
  protected boolean inScope(Execution execution) {
    return execution.maybeGet(Request.class).isPresent();
  }

}