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/*******************************************************************************
* Copyright (c) 2000, 2007 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.openembedded.bc.ui.filesystem;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.openembedded.bc.ui.Activator;
/**
* Grab bag of utility methods for the file system plugin
*/
public class Policy {
/**
* General debug flag for the plugin
*/
public static boolean DEBUG = false;
public static final String PI_FILE_SYSTEM = "org.eclipse.core.filesystem"; //$NON-NLS-1$
public static void checkCanceled(IProgressMonitor monitor) {
if (monitor.isCanceled())
throw new OperationCanceledException();
}
/**
* Print a debug message to the console.
* Pre-pend the message with the current date and the name of the current thread.
*/
public static void debug(String message) {
StringBuffer buffer = new StringBuffer();
buffer.append(new Date(System.currentTimeMillis()));
buffer.append(" - ["); //$NON-NLS-1$
buffer.append(Thread.currentThread().getName());
buffer.append("] "); //$NON-NLS-1$
buffer.append(message);
System.out.println(buffer.toString());
}
public static void error(int code, String message) throws CoreException {
error(code, message, null);
}
public static void error(int code, String message, Throwable exception) throws CoreException {
int severity = code == 0 ? 0 : 1 << (code % 100 / 33);
throw new CoreException(new Status(severity, PI_FILE_SYSTEM, code, message, exception));
}
public static void log(int severity, String message, Throwable t) {
if (message == null)
message = ""; //$NON-NLS-1$
Activator.getDefault().getLog().log(new Status(severity, PI_FILE_SYSTEM, 1, message, t));
}
public static IProgressMonitor monitorFor(IProgressMonitor monitor) {
return monitor == null ? new NullProgressMonitor() : monitor;
}
/**
* Closes a stream and ignores any resulting exception.
*/
public static void safeClose(InputStream in) {
try {
if (in != null)
in.close();
} catch (IOException e) {
//ignore
}
}
/**
* Closes a stream and ignores any resulting exception.
*/
public static void safeClose(OutputStream out) {
try {
if (out != null)
out.close();
} catch (IOException e) {
//ignore
}
}
public static IProgressMonitor subMonitorFor(IProgressMonitor monitor, int ticks) {
if (monitor == null)
return new NullProgressMonitor();
if (monitor instanceof NullProgressMonitor)
return monitor;
return new SubProgressMonitor(monitor, ticks);
}
}
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