svn commit: r781572 - /struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/UploadStatusHolder.java

[we...@apache.org]

Author: wesw
Date: Wed Jun  3 21:25:09 2009
New Revision: 781572

URL: http://svn.apache.org/viewvc?rev=781572&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/UploadStatusHolder.java

Added: struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/UploadStatusHolder.java
URL: http://svn.apache.org/viewvc/struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/UploadStatusHolder.java?rev=781572&view=auto
==============================================================================
--- struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/UploadStatusHolder.java (added)
+++ struts/sandbox/trunk/src/main/java/org/apache/struts2/fileupload/UploadStatusHolder.java Wed Jun  3 21:25:09 2009
@@ -0,0 +1,91 @@
+/*
+ * $Id$
+ *
+ * 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 com.opensymphony.xwork2.inject.Inject;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Calendar;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The UploadStatusHolder simply holds UploadStatuses. It will
+ * clean them up if an UploadStatus has not been accessed within
+ * the configured amount of time (in seconds).
+ *
+ * @author Wes W
+ */
+public class UploadStatusHolder {
+
+    private int secondsToKeep = 600 ; //default to ten minutes
+    public static Map<String,UploadStatus> statuses = new HashMap<String,UploadStatus>();
+
+    private long lastRun = 0; // keep track so we aren't cleaning up all the time
+
+    /**
+     *
+     * @param secondsToKeep
+     */
+    @Inject(FileUploadConstants.TIME_TO_KEEP_STATUS)
+    public void setSecondsToKeep(String secondsToKeep) {
+        try {
+            this.secondsToKeep = Integer.parseInt(secondsToKeep);
+        }
+        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 key
+     * @param status
+     */
+    public void addUploadStatus(String key, UploadStatus status ) {
+        statuses.put(key,status);
+    }
+
+    /**
+     * 
+     * @param key
+     * @return
+     */
+    public UploadStatus getUploadStatus(String key) {
+        long now = Calendar.getInstance().getTimeInMillis() / 1000 ;
+        if ( now - lastRun > secondsToKeep) {
+            // time to clean up
+            List<String> keys2del = new ArrayList<String>();
+            for (String cleanUpKey : statuses.keySet()) {
+                if ( now - statuses.get(cleanUpKey).getLastAccess() > secondsToKeep ) {
+                    keys2del.add(cleanUpKey);
+                }
+            }
+            for (String key2del : keys2del) {
+                statuses.remove(key2del);
+            }
+        }
+
+        return statuses.get(key);
+    }
+}