com.day.crx.packaging.TrackingInputStream Maven / Gradle / Ivy
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* Copyright 2011 Adobe Systems Incorporated
* All Rights Reserved.
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* NOTICE: All information contained herein is, and remains
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package com.day.crx.packaging;
import java.io.IOException;
import java.io.InputStream;
/**
* TrackingInputStream...
*/
public class TrackingInputStream extends InputStream {
private final InputStream base;
private final long length;
private long count = 0;
private final ProxyTracker tracker;
public TrackingInputStream(InputStream base, long length, ProxyTracker tracker) {
this.base = base;
this.length = length;
this.tracker = tracker;
}
public int read(byte[] bytes) throws IOException {
int ret = base.read(bytes);
if (ret >= 0) {
count+= ret;
tracker.onProgress(count, length);
}
return ret;
}
public int read(byte[] bytes, int i, int i1) throws IOException {
int ret = base.read(bytes, i, i1);
if (ret >= 0) {
count+= ret;
tracker.onProgress(count, length);
}
return ret;
}
public int read() throws IOException {
int ret = base.read();
if (ret >= 0) {
tracker.onProgress(count++, length);
}
return ret;
}
public long skip(long l) throws IOException {
long ret = base.skip(l);
if (ret >= 0) {
count+= ret;
tracker.onProgress(count, length);
}
return ret;
}
}