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package com.github.junrar.io;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* InputStream based implementation of the <code>IReadOnlyAccess</code> interface.
*
* @see http://rsbweb.nih.gov/ij/
* @author martinr
*/
public class InputStreamReadOnlyAccessFile implements IReadOnlyAccess {
private RandomAccessStream is;
/**
* Create new instance.
*
* @param is The input stream to wrap.
*/
public InputStreamReadOnlyAccessFile(final InputStream is) {
this.is = new RandomAccessStream(new BufferedInputStream(is));
}
@Override
public long getPosition() throws IOException {
return is.getLongFilePointer();
}
@Override
public void setPosition(long pos) throws IOException {
is.seek(pos);
}
@Override
public int read() throws IOException {
return is.read();
}
@Override
public int read(byte[] buffer, int off, int count) throws IOException {
return is.read(buffer, off, count);
}
@Override
public int readFully(byte[] buffer, int count) throws IOException {
is.readFully(buffer, count);
return count;
}
@Override
public void close() throws IOException {
is.close();
}
}
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