| /* |
| * $Id$ |
| * |
| * 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); |
| } |
| } |