| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.chemistry.opencmis.workbench; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.text.NumberFormat; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class LoggingInputStream extends InputStream { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(LoggingInputStream.class); |
| |
| private final InputStream stream; |
| private final String desc; |
| private long marked; |
| private long count = 0; |
| private long startTimestamp = -1; |
| private long endTimestamp = -1; |
| |
| public LoggingInputStream(InputStream stream, String desc) { |
| super(); |
| this.stream = stream; |
| this.desc = desc; |
| } |
| |
| @Override |
| public int available() throws IOException { |
| return stream.available(); |
| } |
| |
| @Override |
| public synchronized void mark(int readlimit) { |
| stream.mark(readlimit); |
| marked = count; |
| |
| if (LOG.isTraceEnabled()) { |
| LOG.trace("{}: mark", desc); |
| } |
| } |
| |
| @Override |
| public boolean markSupported() { |
| return stream.markSupported(); |
| } |
| |
| @Override |
| public synchronized void reset() throws IOException { |
| stream.reset(); |
| count = marked; |
| |
| if (LOG.isTraceEnabled()) { |
| LOG.trace("{}: reset", desc); |
| } |
| } |
| |
| protected void count(long len) { |
| if (startTimestamp < 0) { |
| startTimestamp = System.currentTimeMillis(); |
| LOG.info("{}: started streaming", desc); |
| } |
| if (len == -1 && endTimestamp == -1) { |
| endTimestamp = System.currentTimeMillis(); |
| long time = (endTimestamp - startTimestamp); |
| long kibPerSec = (time < 1 ? -1L : (long) (((double) count / 1024) / ((double) time / 1000))); |
| |
| NumberFormat nf = NumberFormat.getInstance(); |
| LOG.info("{}: streamed {} bytes in {} ms, {} KiB/sec", desc, nf.format(count), nf.format(time), |
| nf.format(kibPerSec)); |
| } else { |
| count += len; |
| } |
| } |
| |
| @Override |
| public int read() throws IOException { |
| int b = stream.read(); |
| count(b == -1 ? -1 : 1); |
| |
| if (b != -1 && LOG.isTraceEnabled()) { |
| LOG.trace("{}: read {} bytes", desc, count); |
| } |
| |
| return b; |
| } |
| |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| int rb = stream.read(b, off, len); |
| count(rb); |
| |
| if (rb != -1 && LOG.isTraceEnabled()) { |
| LOG.trace("{}: read {} bytes", desc, count); |
| } |
| |
| return rb; |
| } |
| |
| @Override |
| public int read(byte[] b) throws IOException { |
| int rb = stream.read(b); |
| count(rb); |
| |
| if (rb != -1 && LOG.isTraceEnabled()) { |
| LOG.trace("{}: read {} bytes", desc, count); |
| } |
| |
| return rb; |
| } |
| |
| @Override |
| public long skip(long n) throws IOException { |
| long len = super.skip(n); |
| count(len); |
| |
| if (len > 0 && LOG.isTraceEnabled()) { |
| LOG.trace("{}: read {} bytes", desc, count); |
| } |
| |
| return len; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| super.close(); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.info("{}: stream closed", desc); |
| } |
| } |
| } |