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diff --git a/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java b/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java
new file mode 100644
index 000000000..8948e73c7
--- /dev/null
+++ b/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java
@@ -0,0 +1,75 @@
+package org.argeo.eclipse.ui.specific;
+
+import java.awt.Desktop;
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.ArgeoException;
+
+//import org.apache.commons.io;
+
+public class FileHandler {
+
+	private BufferedInputStream bis;
+
+	public FileHandler() {
+	}
+
+	public File createTmpFile(String fileName, String suffix, InputStream is) {
+		File tmpFile = null;
+		OutputStream os = null;
+		try {
+			tmpFile = File.createTempFile(fileName, suffix);
+			os = new FileOutputStream(tmpFile);
+			IOUtils.copy(is, os);
+		} catch (IOException e) {
+			throw new ArgeoException("Cannot open file " + fileName, e);
+		} finally {
+			IOUtils.closeQuietly(os);
+		}
+		return tmpFile;
+	}
+
+	public void openFile(String fileName, InputStream is) {
+	
+		String prefix ="", extension = "";
+		
+		if (fileName != null){
+			int ind = fileName.
+			if (true){
+				}
+			}
+			
+		prefix = .substring(0,
+				node.getName().lastIndexOf('.'));
+		extension = node.getName().substring(
+				node.getName().lastIndexOf('.'));
+		try {
+			Desktop desktop = null;
+			if (Desktop.isDesktopSupported()) {
+				desktop = Desktop.getDesktop();
+			}
+			desktop.open(file);
+		} catch (IOException e) {
+			throw new ArgeoException("Cannot open file " + file.getName(), e);
+		}
+	}
+	
+	
+	public void openFile(File file) {
+		try {
+			Desktop desktop = null;
+			if (Desktop.isDesktopSupported()) {
+				desktop = Desktop.getDesktop();
+			}
+			desktop.open(file);
+		} catch (IOException e) {
+			throw new ArgeoException("Cannot open file " + file.getName(), e);
+		}
+	}
+}