/*******************************************************************************
* Copyright (c) 2004, 2015 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
* Chris Gross (schtoo@schtoo.com) - support for ILogger added
* (bug 49497 [RCP] JFace dependency on org.eclipse.core.runtime enlarges standalone JFace applications)
* Brad Reynolds - bug 164653
* Tom Schindl <tom.schindl@bestsolution.at> - bug 194587
*******************************************************************************/
package org.eclipse.core.databinding.util;
import org.eclipse.core.runtime.IStatus;
/**
* The Policy class handles settings for behaviour, debug flags and logging
* within JFace Data Binding.
*
* @since 1.1
*/
public class Policy {
/**
* Constant for the the default setting for debug options.
*/
public static final boolean DEFAULT = false;
/**
* The unique identifier of the JFace plug-in.
*/
public static final String JFACE_DATABINDING = "org.eclipse.core.databinding";//$NON-NLS-1$
private static ILogger log;
/**
* Returns the dummy log to use if none has been set
*/
private static ILogger getDummyLog() {
return new ILogger() {
@Override
public void log(IStatus status) {
System.err.println(status.toString());
if( status.getException() != null ) {
status.getException().printStackTrace(System.err);
}
}
};
}
/**
* Sets the logger used by JFace Data Binding to log errors.
*
* @param logger
* the logger to use, or <code>null</code> to use the default
* logger
*/
public static synchronized void setLog(ILogger logger) {
log = logger;
}
/**
* Returns the logger used by JFace Data Binding to log errors.
* <p>
* The default logger prints the status to <code>System.err</code>.
* </p>
*
* @return the logger
*/
public static synchronized ILogger getLog() {
if (log == null) {
log = getDummyLog();
}
return log;
}
}