Fixed the problem of progress indicator on file upload progress bar

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-gwt-service@85240 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/td/gwtservice/server/LocalUploadServlet.java

@@ -76,7 +76,7 @@ public class LocalUploadServlet extends HttpServlet {
 		ServletFileUpload upload = new ServletFileUpload(factory);
 		
 		
-		FileUploadListener uploadListener = new FileUploadListener(fileUploadSession.getFileUploadMonitor());
+		FileUploadListener uploadListener = new FileUploadListener(fileUploadMonitor);
 		upload.setProgressListener(uploadListener);
 		
 		FileItem uploadItem = null;

src/main/java/org/gcube/portlets/user/td/gwtservice/server/file/FileUploadListener.java

@@ -3,8 +3,14 @@
  */
 package org.gcube.portlets.user.td.gwtservice.server.file;
 
+import javax.servlet.http.HttpSession;
+
 import org.apache.commons.fileupload.ProgressListener;
+import org.gcube.portlets.user.td.gwtservice.server.SessionUtil;
 import org.gcube.portlets.user.td.gwtservice.shared.file.FileUploadMonitor;
+import org.gcube.portlets.user.td.gwtservice.shared.file.FileUploadState;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * 
@@ -13,19 +19,55 @@ import org.gcube.portlets.user.td.gwtservice.shared.file.FileUploadMonitor;
  *
  */
 public class FileUploadListener implements ProgressListener {
-
+	
+	protected Logger logger=LoggerFactory.getLogger(FileUploadListener.class);
+	protected HttpSession session;
 	protected FileUploadMonitor fileUploadMonitor;
-
+	
+	private long num100Ks = 0;
+	private long theBytesRead = 0;
+	private long theContentLength = -1;
+	private int whichItem = 0;
+	private int percentDone = 0;
+	private boolean contentLengthKnown = false;
+	
+	
+	
 	public FileUploadListener(FileUploadMonitor fileUploadMonitor) {
-		this.fileUploadMonitor = fileUploadMonitor;
+		this.fileUploadMonitor=fileUploadMonitor;
+		//this.session=session;
+		
 	}
 
 	/**
 	 * {@inheritDoc}
 	 */
-	public void update(long pBytesRead, long pContentLength, int pItems) {
-		fileUploadMonitor.setTotalLenght(pContentLength);
-		fileUploadMonitor.setElaboratedLenght(pBytesRead);
+	public void update(long bytesRead, long contentLength, int items) {
+		if (contentLength > -1) {
+			contentLengthKnown = true;
+		}
+		theBytesRead = bytesRead;
+		theContentLength = contentLength;
+		whichItem = items;
+
+		long nowNum100Ks = bytesRead / 100000;
+		// Only run this code once every 100K
+		if (nowNum100Ks > num100Ks) {
+			num100Ks = nowNum100Ks;
+			if (contentLengthKnown) {
+				percentDone = (int) Math.round(100.00 * bytesRead / contentLength);
+			}
+			
+		}	
+		
+		//FileUploadSession fileUploadSession=SessionUtil.getFileUploadSession(session);
+		//FileUploadMonitor fileUploadMonitor=fileUploadSession.getFileUploadMonitor();
+		fileUploadMonitor.setTotalLenght(contentLength);
+		fileUploadMonitor.setElaboratedLenght(bytesRead);
+		fileUploadMonitor.setPercentDone(Float.valueOf(percentDone)/100);
+		
+		fileUploadMonitor.setState(FileUploadState.INPROGRESS);
+		logger.debug("File Upload: "+fileUploadMonitor.toString());
 	}
 
 }

src/main/java/org/gcube/portlets/user/td/gwtservice/shared/file/FileUploadMonitor.java

@@ -20,6 +20,7 @@ public class FileUploadMonitor implements Serializable {
 	protected FileUploadState state;
 	protected String failureReason;
 	protected String failureDetails;
+	protected float percentDone;
 	
 	public FileUploadMonitor(){
 		state = FileUploadState.INPROGRESS;
@@ -30,6 +31,7 @@ public class FileUploadMonitor implements Serializable {
 		this.elaboratedLenght = elaboratedLenght;
 		this.state = state;
 		this.failureReason = failureReason;
+		this.percentDone=0;
 	}
 
 	/**
@@ -58,6 +60,22 @@ public class FileUploadMonitor implements Serializable {
 		return failureDetails;
 	}
 
+	public float getPercentDone() {
+		return percentDone;
+	}
+
+	public void setPercentDone(float percentDone) {
+		this.percentDone = percentDone;
+	}
+
+	public void setFailureReason(String failureReason) {
+		this.failureReason = failureReason;
+	}
+
+	public void setFailureDetails(String failureDetails) {
+		this.failureDetails = failureDetails;
+	}
+
 	public void setState(FileUploadState state)
 	{
 		this.state = state;
@@ -93,24 +111,13 @@ public class FileUploadMonitor implements Serializable {
 		this.failureDetails = failureDetails;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
 	public String toString() {
-		StringBuilder builder = new StringBuilder();
-		builder.append("OperationProgress [totalLenght=");
-		builder.append(totalLenght);
-		builder.append(", elaboratedLenght=");
-		builder.append(elaboratedLenght);
-		builder.append(", state=");
-		builder.append(state);
-		builder.append(", failureReason=");
-		builder.append(failureReason);
-		builder.append(", failureDetails=");
-		builder.append(failureDetails);
-		builder.append("]");
-		return builder.toString();
+		return "FileUploadMonitor [totalLenght=" + totalLenght
+				+ ", elaboratedLenght=" + elaboratedLenght + ", state=" + state
+				+ ", failureReason=" + failureReason + ", failureDetails="
+				+ failureDetails + ", percentDone=" + percentDone + "]";
 	}
+
 	
 }