| /******************************************************************************* |
| * Copyright (c) 2002 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v0.5 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v05.html |
| * |
| * Contributors: |
| * IBM - Initial implementation |
| ******************************************************************************/ |
| package org.eclipse.team.internal.core.target; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.eclipse.team.internal.core.Policy; |
| 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 |
| } |
| |
| } |