bundles/org.tukani.xz/src/org/tukaani/xz/DeltaInputStream.java
public int available() throws IOException {
        if (in == null)
            throw new XZIOException("Stream closed");

        if (exception != null)
            throw exception;

        return in.available();
    }
public int available() throws IOException {
        if (in == null)
            throw new XZIOException("Stream closed");

        if (exception != null)
            throw exception;

        return in.available();
    }
Calls <code>in.available()</code>.

@return      the value returned by <code>in.available()</code>