runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/management/InstallModule.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.web.mvc.management;
  18
  19 import java.util.List;
  20
  21 import javax.servlet.http.HttpServletRequest;
  22 import javax.servlet.http.HttpServletResponse;
  23
  24 import org.apache.commons.fileupload.FileItem;
  25 import org.apache.commons.fileupload.FileItemFactory;
  26 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
  27 import org.apache.commons.fileupload.servlet.ServletFileUpload;
  28 import org.argeo.slc.core.build.ResourceDistribution;
  29 import org.argeo.slc.deploy.DynamicRuntime;
  30 import org.argeo.slc.deploy.Module;
  31 import org.argeo.slc.web.mvc.AbstractServiceController;
  32 import org.springframework.core.io.ByteArrayResource;
  33 import org.springframework.web.servlet.ModelAndView;
  34
  35 public class InstallModule extends AbstractServiceController {// extends
  36         private DynamicRuntime<?> dynamicRuntime;
  37
  38         // Create a factory for disk-based file items
  39         private FileItemFactory factory = new DiskFileItemFactory();
  40
  41         // Create a new file upload handler
  42         private ServletFileUpload upload = new ServletFileUpload(factory);
  43
  44         @Override
  45         @SuppressWarnings(value = { "unchecked" })
  46         protected void handleServiceRequest(HttpServletRequest request,
  47                         HttpServletResponse response, ModelAndView modelAndView)
  48                         throws Exception {
  49                 // Parse the request
  50                 List<FileItem> items = upload.parseRequest(request);
  51
  52                 byte[] arr = null;
  53                 for (FileItem item : items) {
  54                         if (!item.isFormField()) {
  55                                 arr = item.get();
  56                                 break;
  57                         }
  58                 }
  59
  60                 ByteArrayResource res = new ByteArrayResource(arr);
  61                 Module module = dynamicRuntime.installModule(new ResourceDistribution(
  62                                 res));
  63
  64                 // TODO: customize whether the module is started or not
  65                 dynamicRuntime.startModule(module);
  66         }
  67
  68         // protected ModelAndView onSubmit(HttpServletRequest request,
  69         // HttpServletResponse response, Object command, BindException errors)
  70         // throws Exception {
  71         // FileUploadBean bean = (FileUploadBean) command;
  72         //
  73         // byte[] file = bean.getFile();
  74         // if (file == null) {
  75         // throw new SlcException("Upload is empty.");
  76         // }
  77         //
  78         // ByteArrayResource res = new ByteArrayResource(file);
  79         // dynamicRuntime.installModule(new ResourceDistribution(res));
  80         //
  81         // return super.onSubmit(request, response, command, errors);
  82         // }
  83         //
  84         // protected void initBinder(HttpServletRequest request,
  85         // ServletRequestDataBinder binder) throws ServletException {
  86         // // to actually be able to convert Multipart instance to byte[]
  87         // // we have to register a custom editor
  88         // binder.registerCustomEditor(byte[].class,
  89         // new ByteArrayMultipartFileEditor());
  90         // // now Spring knows how to handle multipart object and convert them
  91         // }
  92
  93         public void setDynamicRuntime(DynamicRuntime<?> dynamicRuntime) {
  94                 this.dynamicRuntime = dynamicRuntime;
  95         }
  96
  97 }