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/**
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.om.trace;
import org.eclipse.net4j.internal.util.bundle.AbstractPlatform;
import org.eclipse.net4j.util.om.OMBundle;
import org.eclipse.net4j.util.om.OMBundle.DebugSupport;
import java.text.MessageFormat;
/**
* @author Eike Stepper
*/
public class Tracer implements OMTracer
{
/**
* @since 3.0
*/
public static final String PROP_DISABLE_TRACING = "org.eclipse.net4j.util.om.trace.disable";
private static final boolean isGloballyDisabled = Boolean.valueOf(System.getProperty(PROP_DISABLE_TRACING, "false"));
private OMBundle bundle;
private Tracer parent;
private String name;
private String fullName;
public Tracer(OMBundle bundle, String name)
{
this.bundle = bundle;
this.name = name;
fullName = name;
}
private Tracer(Tracer parent, String name)
{
bundle = parent.getBundle();
this.parent = parent;
this.name = name;
fullName = parent.getFullName() + "." + name; //$NON-NLS-1$
}
public OMBundle getBundle()
{
return bundle;
}
public OMTracer getParent()
{
return parent;
}
public String getName()
{
return name;
}
public String getFullName()
{
return fullName;
}
public boolean isEnabled()
{
if (isGloballyDisabled)
{
return false;
}
DebugSupport debugSupport = bundle.getDebugSupport();
return debugSupport.isDebugging() && debugSupport.getDebugOption(fullName, false);
}
public void setEnabled(boolean enabled)
{
DebugSupport debugSupport = bundle.getDebugSupport();
debugSupport.setDebugOption(fullName, enabled);
}
public void trace(OMTraceHandlerEvent event)
{
((AbstractPlatform)bundle.getPlatform()).trace(event);
}
public OMTraceHandlerEvent trace(Class<?> context, String msg, Throwable t)
{
OMTraceHandlerEvent event = new TraceHandlerEvent(this, context, msg, t);
trace(event);
return event;
}
public OMTraceHandlerEvent format(Class<?> context, String pattern, Throwable t, Object... args)
{
String msg = MessageFormat.format(pattern, args);
return trace(context, msg, t);
}
public OMTraceHandlerEvent format(Class<?> context, String pattern, Object... args)
{
return format(context, pattern, (Throwable)null, args);
}
public OMTraceHandlerEvent trace(Class<?> context, String msg)
{
return trace(context, msg, (Throwable)null);
}
public OMTraceHandlerEvent trace(Class<?> context, Throwable t)
{
return trace(context, (String)null, t);
}
public OMTracer tracer(String name)
{
return new Tracer(this, name);
}
}
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