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/*******************************************************************************
* Copyright (c) 2003, 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.jst.server.core.internal;
import org.eclipse.core.runtime.*;
/**
* Progress Monitor utility.
*/
public class ProgressUtil {
/**
* ProgressUtil constructor comment.
*/
private ProgressUtil() {
super();
}
/**
* Return a valid progress monitor.
*
* @param monitor org.eclipse.core.runtime.IProgressMonitor
* @return org.eclipse.core.runtime.IProgressMonitor
*/
public static IProgressMonitor getMonitorFor(IProgressMonitor monitor) {
if (monitor == null)
return new NullProgressMonitor();
return monitor;
}
/**
* Return a sub-progress monitor with the given amount on the
* current progress monitor.
*
* @param monitor org.eclipse.core.runtime.IProgressMonitor
* @param ticks int
* @return org.eclipse.core.runtime.IProgressMonitor
*/
public static IProgressMonitor getSubMonitorFor(IProgressMonitor monitor, int ticks) {
if (monitor == null)
return new NullProgressMonitor();
if (monitor instanceof NullProgressMonitor)
return monitor;
return new SubProgressMonitor(monitor, ticks);
}
/**
* Return a sub-progress monitor with the given amount on the
* current progress monitor.
*
* @param monitor org.eclipse.core.runtime.IProgressMonitor
* @param ticks a number of ticks
* @param style a style
* @return org.eclipse.core.runtime.IProgressMonitor
*/
public static IProgressMonitor getSubMonitorFor(IProgressMonitor monitor, int ticks, int style) {
if (monitor == null)
return new NullProgressMonitor();
if (monitor instanceof NullProgressMonitor)
return monitor;
return new SubProgressMonitor(monitor, ticks, style);
}
}
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