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

   1 package org.argeo.cms.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.CmsImageManager;
  16 import org.argeo.cms.CmsNames;
  17 import org.argeo.jcr.JcrUtils;
  18 import org.eclipse.rap.addons.fileupload.FileDetails;
  19 import org.eclipse.rap.addons.fileupload.FileUploadReceiver;
  20
  21 public class JcrFileUploadReceiver extends FileUploadReceiver implements
  22                 CmsNames {
  23         private final Node parentNode;
  24         private final String nodeName;
  25         private final CmsImageManager imageManager;
  26
  27         /** If nodeName is null, use the uploaded file name */
  28         public JcrFileUploadReceiver(Node parentNode, String nodeName,
  29                         CmsImageManager imageManager) {
  30                 super();
  31                 this.parentNode = parentNode;
  32                 this.nodeName = nodeName;
  33                 this.imageManager = imageManager;
  34         }
  35
  36         @Override
  37         public void receive(InputStream stream, FileDetails details)
  38                         throws IOException {
  39                 try {
  40                         String fileName = nodeName != null ? nodeName : details
  41                                         .getFileName();
  42                         String contentType = details.getContentType();
  43                         if (isImage(details.getFileName(), contentType)) {
  44                                 imageManager.uploadImage(parentNode, fileName, stream);
  45                                 return;
  46                                 // InputStream inputStream = new ByteArrayInputStream(arr);
  47                                 // ImageData id = new ImageData(inputStream);
  48                                 // fileNode.addMixin(CmsTypes.CMS_IMAGE);
  49                                 // fileNode.setProperty(CMS_IMAGE_WIDTH, id.width);
  50                                 // fileNode.setProperty(CMS_IMAGE_HEIGHT, id.height);
  51                         }
  52
  53                         Node fileNode;
  54                         if (parentNode.hasNode(fileName)) {
  55                                 fileNode = parentNode.getNode(fileName);
  56                                 if (!fileNode.isNodeType(NT_FILE))
  57                                         fileNode.remove();
  58                         }
  59                         fileNode = JcrUtils.copyStreamAsFile(parentNode, fileName, stream);
  60
  61                         if (contentType != null) {
  62                                 fileNode.addMixin(NodeType.MIX_MIMETYPE);
  63                                 fileNode.setProperty(Property.JCR_MIMETYPE, contentType);
  64                         }
  65                         processNewFile(fileNode);
  66                         fileNode.getSession().save();
  67                 } catch (RepositoryException e) {
  68                         throw new CmsException("cannot receive " + details, e);
  69                 }
  70         }
  71
  72         protected Boolean isImage(String fileName, String contentType) {
  73                 String ext = FilenameUtils.getExtension(fileName);
  74                 return ext != null
  75                                 && (ext.equals("png") || ext.equalsIgnoreCase("jpg"));
  76         }
  77
  78         protected void processNewFile(Node node) {
  79
  80         }
  81
  82 }