Author: wesw
Date: Wed Jun 3 21:25:01 2009
New Revision: 781570
URL: http://svn.apache.org/viewvc?rev=781570&view=rev
Log:
first import, still need to create a struts-plugin.xml file that maps the
beans.
Added:
struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/BasicProgressListener.java
Added:
struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/BasicProgressListener.java
URL:
http://svn.apache.org/viewvc/struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/BasicProgressListener.java?rev=781570&view=auto
==============================================================================
---
struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/BasicProgressListener.java
(added)
+++
struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/BasicProgressListener.java
Wed Jun 3 21:25:01 2009
@@ -0,0 +1,80 @@
+/*
+ * $Id$
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.struts2.fileupload;
+
+import org.apache.commons.fileupload.ProgressListener;
+import org.apache.struts2.ServletActionContext;
+import com.opensymphony.xwork2.inject.Inject;
+
+/**
+ * Just a simple ProgressListener for Jakarta FileUpload. It will store
+ * file progress in a HashMap that gets cleaned out once in a while.
+ * The HashMap will key the upload status off of the HttpSession.getId(),
+ * which means that you can't have multiple uploads going to the same
+ * server from different browser windows or tabs.
+ *
+ * @author Wes W
+ */
+public class BasicProgressListener implements ProgressListener {
+
+ private int updateFrequency = 2048; // magic number for a default
+ private UploadStatusHolder holder = new UploadStatusHolder();
+ private long lastUpdate = -1L; //
+
+ /**
+ *
+ * @param updateFrequency
+ */
+ @Inject(FileUploadConstants.LISTENER_UPDATE_FREQUENCY)
+ public void setUpdateFrequency(String updateFrequency) {
+ try {
+ this.updateFrequency = Integer.parseInt(updateFrequency);
+ }
+ catch (NumberFormatException nfe) {
+ // come on people, how hard is it to specify an integer
+ // if you flubbed it up, you can get the default
+ }
+ }
+
+ /**
+ *
+ * @param bytesRead
+ * @param contentLength
+ * @param item
+ */
+ public void update(long bytesRead, long contentLength, int item) {
+ if ( bytesRead / updateFrequency > lastUpdate) {
+ lastUpdate = bytesRead / updateFrequency;
+ if (lastUpdate == 0 ) {
+ // we could get stuck here if we leave it
+ lastUpdate = 1L;
+ }
+ // I wonder if this will ever NPE
+ String sessionId =
ServletActionContext.getRequest().getSession(true).getId();
+ UploadStatus status = new UploadStatus();
+ status.setBytesRead(bytesRead);
+ status.setContentLength(contentLength);
+ status.setItem(item);
+ holder.addUploadStatus(sessionId, status);
+ }
+ }
+}
