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package cgeo.geocaching.files;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* Stream to measure progress of reading automatically.
* <p>
* The method @link ProgressInputStream#read(byte[]) does not need to be overridden as it delegates to @link
* ProgressInputStream#read(byte[], int, int) anyway.
* </p>
*
*/
public class ProgressInputStream extends FilterInputStream {
private int progress = 0;
protected ProgressInputStream(final InputStream in) {
super(in);
}
@Override
public int read() throws IOException { // NO_UCD This method is called from the framework
final int read = super.read();
if (read >= 0) {
progress++;
}
return read;
}
@Override
public int read(final byte[] buffer, final int offset, final int count) throws IOException {
final int read = super.read(buffer, offset, count);
progress += read;
return read;
}
int getProgress() {
return progress;
}
}
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