2018-04-19 15:51:44 +02:00

83 lines
2.5 KiB
Java

/*
* Copyright (C) 2010 Ken Ellinwood.
*
* Licensed 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 kellinwood.security.zipsigner;
import java.util.ArrayList;
public class ProgressHelper {
private int progressTotalItems = 0;
private int progressCurrentItem = 0;
private ProgressEvent progressEvent = new ProgressEvent();
public void initProgress()
{
progressTotalItems = 10000;
progressCurrentItem = 0;
}
public int getProgressTotalItems() {
return progressTotalItems;
}
public void setProgressTotalItems(int progressTotalItems) {
this.progressTotalItems = progressTotalItems;
}
public int getProgressCurrentItem() {
return progressCurrentItem;
}
public void setProgressCurrentItem(int progressCurrentItem) {
this.progressCurrentItem = progressCurrentItem;
}
public void progress( int priority, String message) {
progressCurrentItem += 1;
int percentDone;
if (progressTotalItems == 0) percentDone = 0;
else percentDone = (100 * progressCurrentItem) / progressTotalItems;
// Notify listeners here
for (ProgressListener listener : listeners) {
progressEvent.setMessage(message);
progressEvent.setPercentDone(percentDone);
progressEvent.setPriority(priority);
listener.onProgress( progressEvent);
}
}
private ArrayList<ProgressListener> listeners = new ArrayList<ProgressListener>();
@SuppressWarnings("unchecked")
public synchronized void addProgressListener( ProgressListener l)
{
ArrayList<ProgressListener> list = (ArrayList<ProgressListener>)listeners.clone();
list.add(l);
listeners = list;
}
@SuppressWarnings("unchecked")
public synchronized void removeProgressListener( ProgressListener l)
{
ArrayList<ProgressListener> list = (ArrayList<ProgressListener>)listeners.clone();
list.remove(l);
listeners = list;
}
}