Java tutorial
package org.apache.http.impl.io; import org.apache.http.annotation.NotThreadSafe; import org.apache.http.io.HttpTransportMetrics; @NotThreadSafe public class HttpTransportMetricsImpl implements HttpTransportMetrics { private long bytesTransferred; public HttpTransportMetricsImpl() { this.bytesTransferred = 0; } public long getBytesTransferred() { return this.bytesTransferred; } public void setBytesTransferred(long j) { this.bytesTransferred = j; } public void incrementBytesTransferred(long j) { this.bytesTransferred += j; } public void reset() { this.bytesTransferred = 0; } }