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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.examples.filesystem;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.eclipse.core.runtime.IProgressMonitor;
public class StreamUtil {
protected final static byte[] COPY_BUFFER = new byte[4096];
public static void pipe(
InputStream in,
OutputStream out,
long sizeEstimate,
IProgressMonitor progress,
String title)
throws IOException {
// Only show progress for files larger than 25Kb.
Long kilobytesEstimate = new Long(sizeEstimate / 1024);
boolean showProgress = (progress != null) && (sizeEstimate > 25000);
long bytesCopied = 0;
synchronized (COPY_BUFFER) {
// Read the initial chunk.
int read = in.read(COPY_BUFFER, 0, COPY_BUFFER.length);
while (read != -1) {
out.write(COPY_BUFFER, 0, read);
// Report progress
if (showProgress) {
bytesCopied = bytesCopied + read;
progress.subTask(
Policy.bind(
"filetransfer.monitor", //$NON-NLS-1$
new Object[] { title, new Long(bytesCopied / 1024), kilobytesEstimate }));
}
// Read the next chunk.
read = in.read(COPY_BUFFER, 0, COPY_BUFFER.length);
} // end while
} // end synchronized
}
}
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