org.argeo.cms.ui/src/org/argeo/cms/ui/internal/JcrFileUploadReceiver.java

   1 package org.argeo.cms.ui.internal;
   2
   3 import static javax.jcr.nodetype.NodeType.NT_FILE;
   4
   5 import java.io.IOException;
   6 import java.io.InputStream;
   7
   8 import javax.jcr.Node;
   9 import javax.jcr.Property;
  10 import javax.jcr.RepositoryException;
  11 import javax.jcr.nodetype.NodeType;
  12
  13 import org.apache.commons.io.FilenameUtils;
  14 import org.argeo.cms.CmsException;
  15 import org.argeo.cms.ui.CmsImageManager;
  16 import org.argeo.jcr.JcrUtils;
  17 import org.eclipse.rap.fileupload.FileDetails;
  18 import org.eclipse.rap.fileupload.FileUploadReceiver;
  19
  20 public class JcrFileUploadReceiver extends FileUploadReceiver {
  21         private final Node parentNode;
  22         private final String nodeName;
  23         private final CmsImageManager imageManager;
  24
  25         /** If nodeName is null, use the uploaded file name */
  26         public JcrFileUploadReceiver(Node parentNode, String nodeName, CmsImageManager imageManager) {
  27                 super();
  28                 this.parentNode = parentNode;
  29                 this.nodeName = nodeName;
  30                 this.imageManager = imageManager;
  31         }
  32
  33         @Override
  34         public void receive(InputStream stream, FileDetails details) throws IOException {
  35                 try {
  36                         String fileName = nodeName != null ? nodeName : details.getFileName();
  37                         String contentType = details.getContentType();
  38                         if (isImage(details.getFileName(), contentType)) {
  39                                 imageManager.uploadImage(parentNode, fileName, stream);
  40                                 return;
  41                                 // InputStream inputStream = new ByteArrayInputStream(arr);
  42                                 // ImageData id = new ImageData(inputStream);
  43                                 // fileNode.addMixin(CmsTypes.CMS_IMAGE);
  44                                 // fileNode.setProperty(CMS_IMAGE_WIDTH, id.width);
  45                                 // fileNode.setProperty(CMS_IMAGE_HEIGHT, id.height);
  46                         }
  47
  48                         Node fileNode;
  49                         if (parentNode.hasNode(fileName)) {
  50                                 fileNode = parentNode.getNode(fileName);
  51                                 if (!fileNode.isNodeType(NT_FILE))
  52                                         fileNode.remove();
  53                         }
  54                         fileNode = JcrUtils.copyStreamAsFile(parentNode, fileName, stream);
  55
  56                         if (contentType != null) {
  57                                 fileNode.addMixin(NodeType.MIX_MIMETYPE);
  58                                 fileNode.setProperty(Property.JCR_MIMETYPE, contentType);
  59                         }
  60                         processNewFile(fileNode);
  61                         fileNode.getSession().save();
  62                 } catch (RepositoryException e) {
  63                         throw new CmsException("cannot receive " + details, e);
  64                 }
  65         }
  66
  67         protected Boolean isImage(String fileName, String contentType) {
  68                 String ext = FilenameUtils.getExtension(fileName);
  69                 return ext != null && (ext.equals("png") || ext.equalsIgnoreCase("jpg"));
  70         }
  71
  72         protected void processNewFile(Node node) {
  73
  74         }
  75
  76 }