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/*******************************************************************************
* Copyright (c) 2000, 2015 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
* Sergey Prigogin (Google) - use parameterized types (bug 442021)
*******************************************************************************/
package org.eclipse.core.internal.runtime;
import java.util.ArrayList;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.log.*;
import org.eclipse.osgi.framework.log.FrameworkLogEntry;
import org.osgi.framework.Bundle;
import org.osgi.service.log.LogEntry;
import org.osgi.service.log.LogService;
import org.osgi.service.packageadmin.PackageAdmin;
/**
* A log writer that writes log entries.
* <p>
* Note that this class just provides a bridge from the old ILog interface
* to the new extended log service
*/
public class PlatformLogWriter implements SynchronousLogListener, LogFilter {
public static final String EQUINOX_LOGGER_NAME = "org.eclipse.equinox.logger"; //$NON-NLS-1$
private final ExtendedLogService logService;
private final PackageAdmin packageAdmin;
private final Bundle bundle;
public PlatformLogWriter(ExtendedLogService logService, PackageAdmin packageAdmin, Bundle bundle) {
this.logService = logService;
this.packageAdmin = packageAdmin;
this.bundle = bundle;
}
void logging(IStatus status) {
Bundle b = getBundle(status);
Logger equinoxLog = logService.getLogger(b, EQUINOX_LOGGER_NAME);
equinoxLog.log(getLog(status), getLevel(status), status.getMessage(), status.getException());
}
public static int getLevel(IStatus status) {
switch (status.getSeverity()) {
case IStatus.ERROR :
return LogService.LOG_ERROR;
case IStatus.WARNING :
return LogService.LOG_WARNING;
case IStatus.INFO :
return LogService.LOG_INFO;
case IStatus.OK :
return LogService.LOG_DEBUG;
case IStatus.CANCEL :
default :
return 32; // unknown
}
}
public static FrameworkLogEntry getLog(IStatus status) {
Throwable t = status.getException();
ArrayList<FrameworkLogEntry> childlist = new ArrayList<>();
int stackCode = t instanceof CoreException ? 1 : 0;
// ensure a substatus inside a CoreException is properly logged
if (stackCode == 1) {
IStatus coreStatus = ((CoreException) t).getStatus();
if (coreStatus != null) {
childlist.add(getLog(coreStatus));
}
}
if (status.isMultiStatus()) {
IStatus[] children = status.getChildren();
for (IStatus child : children) {
childlist.add(getLog(child));
}
}
FrameworkLogEntry[] children = childlist.size() == 0 ? null : childlist.toArray(new FrameworkLogEntry[childlist.size()]);
return new FrameworkLogEntry(status, status.getPlugin(), status.getSeverity(), status.getCode(), status.getMessage(), stackCode, t, children);
}
private Bundle getBundle(IStatus status) {
String pluginID = status.getPlugin();
if (pluginID == null)
return bundle;
Bundle[] bundles = packageAdmin.getBundles(pluginID, null);
return bundles == null || bundles.length == 0 ? bundle : bundles[0];
}
@Override
public boolean isLoggable(Bundle bundle, String loggerName, int logLevel) {
return EQUINOX_LOGGER_NAME.equals(loggerName) && RuntimeLog.hasListeners();
}
@Override
public void logged(LogEntry entry) {
RuntimeLog.logToListeners(convertToStatus(entry));
}
public static IStatus convertToStatus(LogEntry logEntry) {
Object context = null;
if (logEntry instanceof ExtendedLogEntry)
context = ((ExtendedLogEntry) logEntry).getContext();
if (context instanceof IStatus)
return (IStatus) context;
if (context instanceof FrameworkLogEntry) {
FrameworkLogEntry fLogEntry = (FrameworkLogEntry) context;
context = fLogEntry.getContext();
if (context instanceof IStatus)
return (IStatus) context;
return convertToStatus(fLogEntry);
}
return convertRawEntryToStatus(logEntry);
}
private static IStatus convertToStatus(FrameworkLogEntry entry) {
FrameworkLogEntry[] children = entry.getChildren();
if (children != null) {
IStatus[] statusChildren = new Status[children.length];
for (int i = 0; i < statusChildren.length; i++)
statusChildren[i] = convertToStatus(children[i]);
return new MultiStatus(entry.getEntry(), entry.getBundleCode(), statusChildren, entry.getMessage(), entry.getThrowable());
}
return new Status(entry.getSeverity(), entry.getEntry(), entry.getBundleCode(), entry.getMessage(), entry.getThrowable());
}
private static IStatus convertRawEntryToStatus(LogEntry logEntry) {
int severity;
switch (logEntry.getLevel()) {
case LogService.LOG_ERROR :
severity = IStatus.ERROR;
break;
case LogService.LOG_WARNING :
severity = IStatus.WARNING;
break;
case LogService.LOG_INFO :
severity = IStatus.INFO;
break;
case LogService.LOG_DEBUG :
severity = IStatus.OK;
break;
default :
severity = -1;
break;
}
Bundle bundle = logEntry.getBundle();
return new Status(severity, bundle == null ? null : bundle.getSymbolicName(), logEntry.getMessage(), logEntry.getException());
}
}
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