org.eclipse.core.runtime.ILog Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Christoph Läubrich - add methods for logging without a IStatus object
*******************************************************************************/
package org.eclipse.core.runtime;
import org.eclipse.core.internal.runtime.InternalPlatform;
import org.osgi.framework.Bundle;
import org.osgi.framework.FrameworkUtil;
/**
* A log to which status events can be written. Logs appear on individual
* plug-ins and on the platform itself. Clients can register log listeners which
* will receive notification of all log events as they come in.
*
* XXX Need to create a new log interface on common plugin. That interface should be a super interface of this ILog.
* getBundle() would stay here. In the super interface we would have getName()
*
*
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface ILog {
/**
* Adds the given log listener to this log. Subsequently the log listener will
* receive notification of all log events passing through this log.
* This method has no effect if the identical listener is already registered on this log.
*
* @param listener the listener to add to this log
* @see Platform#addLogListener(ILogListener)
*/
public void addLogListener(ILogListener listener);
/**
* Returns the plug-in with which this log is associated.
*
* @return the plug-in with which this log is associated
* @since 3.0
*/
public Bundle getBundle();
/**
* Logs the given status. The status is distributed to the log listeners
* installed on this log and then to the log listeners installed on the platform.
*
* @param status the status to log
*/
public void log(IStatus status);
/**
* Removes the given log listener to this log. Subsequently the log listener will
* no longer receive notification of log events passing through this log.
* This method has no effect if the identical listener is not registered on this log.
*
* @param listener the listener to remove
* @see Platform#removeLogListener(ILogListener)
*/
public void removeLogListener(ILogListener listener);
/**
* Logs a status with {@link IStatus#INFO} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @since 3.17
*/
default void info(String message) {
log(new Status(IStatus.INFO, getBundle().getSymbolicName(), message));
}
/**
* Logs a status with {@link IStatus#INFO} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @param throwable an optional throwable to associate with this status
* @since 3.17
*/
default void info(String message, Throwable throwable) {
log(new Status(IStatus.INFO, getBundle().getSymbolicName(), message, throwable));
}
/**
* Logs a status with {@link IStatus#WARNING} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @since 3.17
*/
default void warn(String message) {
log(new Status(IStatus.WARNING, getBundle().getSymbolicName(), message));
}
/**
* Logs a status with {@link IStatus#WARNING} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @param throwable an optional throwable to associate with this status
* @since 3.17
*/
default void warn(String message, Throwable throwable) {
log(new Status(IStatus.WARNING, getBundle().getSymbolicName(), message, throwable));
}
/**
* Logs a status with {@link IStatus#ERROR} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @since 3.17
*/
default void error(String message) {
log(new Status(IStatus.ERROR, getBundle().getSymbolicName(), message));
}
/**
* Logs a status with {@link IStatus#ERROR} using this logger
* {@link Bundle#getSymbolicName()} as pluginId
*
* @param message the message to log
* @param throwable an optional throwable to associate with this status
* @since 3.17
*/
default void error(String message, Throwable throwable) {
log(new Status(IStatus.ERROR, getBundle().getSymbolicName(), message, throwable));
}
/**
* Returns the log for the given bundle. If no such log exists, one is created.
*
* @param bundle the bundle whose log is returned
* @return the log for the given bundle
* @since 3.29
*/
public static ILog of(Bundle bundle) {
return InternalPlatform.getDefault().getLog(bundle);
}
/**
* Returns the log for the bundle of the given class. If no such log exists, one
* is created.
*
* @param clazz the class in a bundle whose log is returned
* @return the log for the bundle to which the clazz belongs
*
* @since 3.29
*/
public static ILog of(Class clazz) {
Bundle bundle = FrameworkUtil.getBundle(clazz);
return InternalPlatform.getDefault().getLog(bundle);
}
/**
* Returns the log for the bundle of the calling class. If no such log exists,
* one is created.
*
* @return the log for the bundle to which the caller belongs
*
* @since 3.29
*/
public static ILog get() {
try {
return of(InternalPlatform.STACK_WALKER.getCallerClass());
} catch (IllegalCallerException e) {
return of(ILog.class);
}
}
}