com.github.wnameless.spring.papertrail.PaperTrailInterceptor Maven / Gradle / Ivy

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/**
 *
 * @author Wei-Ming Wu
 *
 *
 * Copyright 2015 Wei-Ming Wu
 *
 * 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 com.github.wnameless.spring.papertrail;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

/**
 * 
 * {@link PaperTrailInterceptor} applies necessary paper trail to all HTTP
 * requests.
 *
 */
public class PaperTrailInterceptor extends HandlerInterceptorAdapter {

  private final PaperTrailService paperTrailService;

  /**
   * Creates a {@link PaperTrailInterceptor} by given {@link PaperTrailService}.
   * 
   * @param paperTrailService
   *          a {@link PaperTrailService}
   */
  public PaperTrailInterceptor(PaperTrailService paperTrailService) {
    this.paperTrailService = paperTrailService;
  }

  @Override
  public void postHandle(HttpServletRequest request,
      HttpServletResponse response, Object handler, ModelAndView modelAndView)
          throws Exception {
    paperTrailService.audit(request, response);
  }

}