Contextualizer.java

/*
 * Copyright 2013 eXo Platform SAS
 *
 * 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 plugin.controller.contextual.simple;

import juzu.impl.request.ControllerHandler;
import juzu.impl.request.Stage;
import juzu.Response;
import juzu.impl.request.ContextualParameter;
import juzu.impl.request.Request;
import juzu.impl.request.RequestFilter;

import java.io.ByteArrayInputStream;

/** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
public class Contextualizer implements RequestFilter<Stage.Handler> {

  @Override
  public Class<Stage.Handler> getStageType() {
    return Stage.Handler.class;
  }

  @Override
  public Response handle(Stage.Handler argument) {
    Request request = argument.getRequest();
    ControllerHandler m = request.getHandler();
    ContextualParameter in = (ContextualParameter)m.getParameter("in");
    request.getContextualArguments().put(in, new ByteArrayInputStream("__foo__".getBytes()));
    return argument.invoke();
  }
}