Remove UI dependencies to JCR.

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.jcr.ui / src / org / argeo / cms / ui / internal / JcrFileUploadReceiver.java

diff --git a/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/internal/JcrFileUploadReceiver.java b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/internal/JcrFileUploadReceiver.java
new file mode 100644 (file)
index 0000000..60bb42b
--- /dev/null
+++ b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/internal/JcrFileUploadReceiver.java
@@ -0,0 +1,74 @@
+package org.argeo.cms.ui.internal;
+
+import static javax.jcr.nodetype.NodeType.NT_FILE;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+import javax.jcr.nodetype.NodeType;
+
+import org.apache.commons.io.FilenameUtils;
+import org.argeo.api.cms.ux.CmsImageManager;
+import org.argeo.cms.ui.widgets.Img;
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.rap.fileupload.FileDetails;
+import org.eclipse.rap.fileupload.FileUploadReceiver;
+
+public class JcrFileUploadReceiver extends FileUploadReceiver {
+       private Img img;
+       private final Node parentNode;
+       private final String nodeName;
+       private final CmsImageManager imageManager;
+
+       /** If nodeName is null, use the uploaded file name */
+       public JcrFileUploadReceiver(Img img, Node parentNode, String nodeName, CmsImageManager imageManager) {
+               super();
+               this.img = img;
+               this.parentNode = parentNode;
+               this.nodeName = nodeName;
+               this.imageManager = imageManager;
+       }
+
+       @Override
+       public void receive(InputStream stream, FileDetails details) throws IOException {
+               try {
+                       String fileName = nodeName != null ? nodeName : details.getFileName();
+                       String contentType = details.getContentType();
+                       if (isImage(details.getFileName(), contentType)) {
+                               imageManager.uploadImage(img.getNode(),parentNode, fileName, stream, contentType);
+                               return;
+                       }
+
+                       Node fileNode;
+                       if (parentNode.hasNode(fileName)) {
+                               fileNode = parentNode.getNode(fileName);
+                               if (!fileNode.isNodeType(NT_FILE))
+                                       fileNode.remove();
+                       }
+                       fileNode = JcrUtils.copyStreamAsFile(parentNode, fileName, stream);
+
+                       if (contentType != null) {
+                               fileNode.addMixin(NodeType.MIX_MIMETYPE);
+                               fileNode.setProperty(Property.JCR_MIMETYPE, contentType);
+                       }
+                       processNewFile(fileNode);
+                       fileNode.getSession().save();
+               } catch (RepositoryException e) {
+                       throw new JcrException("Cannot receive " + details, e);
+               }
+       }
+
+       protected Boolean isImage(String fileName, String contentType) {
+               String ext = FilenameUtils.getExtension(fileName);
+               return ext != null && (ext.equals("png") || ext.equalsIgnoreCase("jpg"));
+       }
+
+       protected void processNewFile(Node node) {
+
+       }
+
+}