?? monitoreddiskfileitem.java
字號:
package ajax.upload;
import org.apache.commons.fileupload.disk.DiskFileItem;
import java.io.File;
import java.io.OutputStream;
import java.io.IOException;
public class MonitoredDiskFileItem extends DiskFileItem {
private MonitoredOutputStream mos = null; // 自定義輸出流
private OutputStreamListener listener; // 自定義監(jiān)聽器類
// 擴(kuò)展方法,增加listener參數(shù)
public MonitoredDiskFileItem(String fieldName, String contentType,
boolean isFormField, String fileName, int sizeThreshold,
File repository, OutputStreamListener listener) {
super(fieldName, contentType, isFormField, fileName, sizeThreshold,
repository);
this.listener = listener;
}
// 覆蓋方法,返回?cái)U(kuò)展后的MonitoredOutputStream
public OutputStream getOutputStream() throws IOException {
if (mos == null) {
mos = new MonitoredOutputStream(super.getOutputStream(), listener);
}
return mos;
}
}
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