org.sakaiproject.imagegallery.integration.standalone.ImageStreamingController.java Source code

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Here is the source code for org.sakaiproject.imagegallery.integration.standalone.ImageStreamingController.java

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/**********************************************************************************
*
* $Id$
*
***********************************************************************************
*
* Copyright (c) 2008 The Regents of the University of California
*
* Licensed under the Educational Community License, Version 1.0 (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.opensource.org/licenses/ecl1.php
*
* 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.sakaiproject.imagegallery.integration.standalone;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.imagegallery.domain.ImageFile;
import org.sakaiproject.imagegallery.integration.FileLibraryService;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;

/**
 *
 */
public class ImageStreamingController extends AbstractController {
    private static final Log log = LogFactory.getLog(ImageStreamingController.class);
    private FileLibraryService fileLibraryService;

    /**
     * @see org.springframework.web.servlet.mvc.AbstractController#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        if (log.isInfoEnabled())
            log.info("req contextPath=" + request.getContextPath() + ", pathInfo=" + request.getPathInfo()
                    + ", query=" + request.getQueryString() + ", URI=" + request.getRequestURI() + ", URL="
                    + request.getRequestURL() + ", servlet=" + request.getServletPath());
        String fileId = request.getPathInfo().substring(1);
        ImageFile imageFile = fileLibraryService.getImageFile(fileId);
        response.setContentType(imageFile.getContentType());
        FileStreamer fileStreamer = (FileStreamer) fileLibraryService;
        fileStreamer.streamImage(fileId, response.getOutputStream());
        return null;
    }

    public void setFileLibraryService(FileLibraryService fileLibraryService) {
        this.fileLibraryService = fileLibraryService;
    }
}