StatusResult.java

/*
 * Copyright (c) 2001-2015, Inversoft Inc., All Rights Reserved
 *
 * 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 org.primeframework.mvc.action.result;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

import org.primeframework.mvc.action.ActionInvocationStore;
import org.primeframework.mvc.action.result.annotation.Status;
import org.primeframework.mvc.action.result.annotation.Status.Header;
import org.primeframework.mvc.parameter.el.ExpressionEvaluator;

import com.google.inject.Inject;

/**
 * This result returns a status response.
 *
 * @author Brian Pontarelli
 */
public class StatusResult extends AbstractResult<Status> {
  private final HttpServletResponse response;
  private final ActionInvocationStore actionInvocationStore;

  @Inject
  public StatusResult(ExpressionEvaluator expressionEvaluator, HttpServletResponse response, ActionInvocationStore actionInvocationStore) {
    super(expressionEvaluator);
    this.response = response;
    this.actionInvocationStore = actionInvocationStore;
  }

  /**
   * {@inheritDoc}
   */
  public boolean execute(Status status) throws IOException, ServletException {
    Object action = actionInvocationStore.getCurrent().action;
    setStatus(status.status(), status.statusStr(), action, response);

    for (Header header : status.headers()) {
      response.setHeader(header.name(), header.value());
    }
    return true;
  }
}