【仅供内部供应商使用,不提供对外解答和培训】
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写一个拦截处理的CountExportHandle,返回一个CountOutputStream,在write时计数,最后在close的时候输出大小。
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import com.finebi.stable.fun.ExportType; import com.finebi.stable.fun.impl.AbstractExportHandleProvider; import java.io.OutputStream; public class CountExportHandle extends AbstractExportHandleProvider { @Override public OutputStream handleStream(OutputStream originalOutputStream, ExportType type) { return new CountOutputStream(originalOutputStream); } } |
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