org.freeeed.ep.web.controller.ProcessingController.java Source code

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Here is the source code for org.freeeed.ep.web.controller.ProcessingController.java

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/*
 *
 * Copyright SHMsoft, Inc. 
 *
 * 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.freeeed.ep.web.controller;

import java.io.File;

import org.apache.log4j.Logger;
import org.freeeed.ep.processing.ProcessingResult;
import org.freeeed.ep.processing.ProcessingStatus;
import org.freeeed.ep.processing.Processor;
import org.freeeed.ep.processing.nsf.NSFTask;
import org.freeeed.ep.web.BaseController;
import org.freeeed.ep.web.WebConstants;

import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import com.google.gson.Gson;

/**
 * 
 * Class ProcessingController.
 * 
 * @author ilazarov
 *
 */
public class ProcessingController extends BaseController {
    private static final Logger log = Logger.getLogger(ProcessingController.class);

    private Processor processor;
    private String uploadDir;
    private String workDir;

    public ModelAndView execute() {
        log.info("request received... ");
        if (!(request instanceof MultipartHttpServletRequest)) {
            valueStack.put("status", "error");

            return new ModelAndView(WebConstants.PROCESS_REQUEST_RESPONSE);
        }

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        MultipartFile file = multipartRequest.getFile("file");
        String taskId = multipartRequest.getParameter("taskId");

        ProcessingResult result = null;

        try {
            File uploadDirFile = new File(uploadDir);
            uploadDirFile.mkdirs();

            String fileName = uploadDir + File.separator + file.getOriginalFilename();
            File destination = new File(fileName);

            log.info("File transfer started... ");

            file.transferTo(destination);

            NSFTask task = new NSFTask(destination.getAbsolutePath(), workDir);
            result = processor.submitTask(taskId, task);
        } catch (Exception e) {
            log.error("Problem uploading file: ", e);
            result = new ProcessingResult();
            result.setStatus(ProcessingStatus.ERROR);
        }

        Gson gson = new Gson();
        String data = gson.toJson(result);

        valueStack.put("status", data);

        log.info("File submitted for processing!");

        return new ModelAndView(WebConstants.PROCESS_REQUEST_RESPONSE);
    }

    public void setProcessor(Processor processor) {
        this.processor = processor;
    }

    public void setUploadDir(String uploadDir) {
        this.uploadDir = uploadDir;
    }

    public void setWorkDir(String workDir) {
        this.workDir = workDir;
    }
}