com.glaf.core.web.springmvc.MxBlobController.java Source code

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Here is the source code for com.glaf.core.web.springmvc.MxBlobController.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.glaf.core.web.springmvc;

import java.io.InputStream;
import java.util.List;

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

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.glaf.core.base.DataFile;
import com.glaf.core.service.IBlobService;
import com.glaf.core.service.ISysLogService;
import com.glaf.core.util.RequestUtils;
import com.glaf.core.util.ResponseUtils;

@Controller("/lob/lob")
@RequestMapping("/lob/lob")
public class MxBlobController {
    protected final static Log logger = LogFactory.getLog(MxBlobController.class);

    protected IBlobService blobService;

    protected ISysLogService sysLogService;

    @ResponseBody
    @RequestMapping("/delete")
    public byte[] delete(HttpServletRequest request, ModelMap modelMap) {
        RequestUtils.setRequestParameterToAttribute(request);
        String fileId = request.getParameter("fileId");
        if (StringUtils.isNotEmpty(fileId)) {
            blobService.deleteBlobByFileId(fileId);
            return ResponseUtils.responseJsonResult(true);
        }
        return ResponseUtils.responseJsonResult(false);
    }

    @RequestMapping("/download")
    public ModelAndView download(HttpServletRequest request, HttpServletResponse response) {
        String fileId = request.getParameter("fileId");
        if (StringUtils.isNotEmpty(fileId)) {
            logger.debug("fileId:" + fileId);
            DataFile blob = blobService.getBlobByFileId(fileId);
            if (blob != null) {
                logger.debug("id:" + blob.getId());
                InputStream inputStream = null;
                try {
                    inputStream = blobService.getInputStreamById(blob.getId());
                    ResponseUtils.download(request, response, inputStream, blob.getFilename());
                } finally {
                    blob.setData(null);
                    blob = null;
                    try {
                        if (inputStream != null) {
                            inputStream.close();
                            inputStream = null;
                        }
                    } catch (Exception ex) {

                    }
                }
            }
        }
        return null;
    }

    @RequestMapping("/files")
    public ModelAndView files(HttpServletRequest request, ModelMap modelMap) {
        RequestUtils.setRequestParameterToAttribute(request);
        String businessKey = request.getParameter("businessKey");
        if (StringUtils.isNotEmpty(businessKey)) {
            List<DataFile> dataList = blobService.getBlobList(businessKey);
            modelMap.put("dataList", dataList);
        }

        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view, modelMap);
        }

        return new ModelAndView("/modules/main/lob/files", modelMap);
    }

    @javax.annotation.Resource
    public void setBlobService(IBlobService blobService) {
        this.blobService = blobService;
    }

    @javax.annotation.Resource
    public void setSysLogService(ISysLogService sysLogService) {
        this.sysLogService = sysLogService;
    }

    @RequestMapping("/showUpload")
    public ModelAndView showUpload(HttpServletRequest request, ModelMap modelMap) {
        RequestUtils.setRequestParameterToAttribute(request);
        String businessKey = request.getParameter("businessKey");
        if (StringUtils.isNotEmpty(businessKey)) {
            List<DataFile> dataList = blobService.getBlobList(businessKey);
            modelMap.put("dataList", dataList);
        }

        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view, modelMap);
        }

        return new ModelAndView("/modules/main/lob/showUpload", modelMap);
    }

}