import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;
import org.apache.poi.POIDataSamples;
import org.apache.poi.ss.ITestDataProvider;
// an instance of all SXSSFWorkbooks opened by this TestDataProvider,
// so that the temporary files created can be disposed up by cleanup()
- private final List<SXSSFWorkbook> instances = new ArrayList<SXSSFWorkbook>();
+ private final Collection<SXSSFWorkbook> instances = new ArrayList<SXSSFWorkbook>();
private SXSSFITestDataProvider() {
// enforce singleton
public synchronized boolean cleanup(){
boolean ok = true;
- for(int i = 0; i < instances.size(); i++){
- SXSSFWorkbook wb = instances.get(i);
+ for(final SXSSFWorkbook wb : instances) {
ok = ok && wb.dispose();
- instances.remove(i);
}
+ instances.clear();
return ok;
}
}