2010-09-15 Francois Chouinard <fchouinard@gmail.com> Contribution for Bug287563

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf / src / org / eclipse / linuxtools / tmf / Tracer.java

package org.eclipse.linuxtools.tmf;\r
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import java.io.BufferedWriter;\r
import java.io.FileWriter;\r
import java.io.IOException;\r
\r
import org.eclipse.core.runtime.Platform;\r
import org.eclipse.linuxtools.tmf.component.ITmfComponent;\r
import org.eclipse.linuxtools.tmf.component.ITmfDataProvider;\r
import org.eclipse.linuxtools.tmf.event.TmfData;\r
import org.eclipse.linuxtools.tmf.request.ITmfDataRequest;\r
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public class Tracer {\r
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	private static String pluginID = TmfCorePlugin.PLUGIN_ID;\r
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	static Boolean ERROR     = Boolean.FALSE;\r
	static Boolean WARNING   = Boolean.FALSE;\r
	static Boolean INFO      = Boolean.FALSE;\r
\r
	static Boolean COMPONENT = Boolean.FALSE;\r
	static Boolean REQUEST   = Boolean.FALSE;\r
	static Boolean SIGNAL    = Boolean.FALSE;\r
	static Boolean EVENT     = Boolean.FALSE;\r
\r
	private static String LOGNAME = "trace.log";\r
	private static BufferedWriter fTraceLog = null;\r
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	private static BufferedWriter openLogFile(String filename) {\r
		BufferedWriter outfile = null;\r
		try {\r
			outfile = new BufferedWriter(new FileWriter(filename));\r
		} catch (IOException e) {\r
			e.printStackTrace();\r
		}\r
		return outfile;\r
	}\r
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	public static void init() {\r
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		String traceKey;\r
		boolean isTracing = false;\r
		\r
		traceKey = Platform.getDebugOption(pluginID + "/error");\r
		if (traceKey != null) {\r
			ERROR = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= ERROR;\r
		}\r
\r
		traceKey = Platform.getDebugOption(pluginID + "/warning");\r
		if (traceKey != null) {\r
			WARNING = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= WARNING;\r
		}\r
\r
		traceKey = Platform.getDebugOption(pluginID + "/info");\r
		if (traceKey != null) {\r
			INFO = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= INFO;\r
		}\r
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		traceKey = Platform.getDebugOption(pluginID + "/component");\r
		if (traceKey != null) {\r
			COMPONENT = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= COMPONENT;\r
		}\r
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		traceKey = Platform.getDebugOption(pluginID + "/request");\r
		if (traceKey != null) {\r
			REQUEST = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= REQUEST;\r
		}\r
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		traceKey = Platform.getDebugOption(pluginID + "/signal");\r
		if (traceKey != null) {\r
			SIGNAL = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= SIGNAL;\r
		}\r
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		traceKey = Platform.getDebugOption(pluginID + "/event");\r
		if (traceKey != null) {\r
			EVENT = (Boolean.valueOf(traceKey)).booleanValue();\r
			isTracing |= EVENT;\r
		}\r
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		// Create trace log file if needed\r
		if (isTracing) {\r
			fTraceLog = openLogFile(LOGNAME);\r
		}\r
	}\r
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	public static void stop() {\r
		if (fTraceLog == null)\r
			return;\r
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		try {\r
			fTraceLog.close();\r
			fTraceLog = null;\r
		} catch (IOException e) {\r
			e.printStackTrace();\r
		}\r
	}\r
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	// Predicates\r
	public static boolean isErrorTraced() {\r
		return ERROR;\r
	}\r
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	public static boolean isComponentTraced() {\r
		return COMPONENT;\r
	}\r
	\r
	public static boolean isRequestTraced() {\r
		return REQUEST;\r
	}\r
	\r
	public static boolean isEventTraced() {\r
		return EVENT;\r
	}\r
	\r
	// Tracers\r
	public static void trace(String msg) {\r
		long currentTime = System.currentTimeMillis();\r
		StringBuilder message = new StringBuilder("[");\r
		message.append(currentTime / 1000);\r
		message.append(".");\r
		message.append(currentTime % 1000);\r
		message.append("] ");\r
		message.append(msg);\r
//		System.out.println(message);\r
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		if (fTraceLog != null) {\r
			try {\r
				fTraceLog.write(message.toString());\r
				fTraceLog.newLine();\r
				fTraceLog.flush();\r
			} catch (IOException e) {\r
				e.printStackTrace();\r
			}\r
		}\r
	}\r
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	public static void traceComponent(ITmfComponent component, String msg) {\r
		String message = ("[CMP] Thread=" + Thread.currentThread().getId() + " Cmp=" + component.getName() + " " + msg);\r
		trace(message);\r
	}\r
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	public static void traceRequest(ITmfDataRequest<?> request, String msg) {\r
		String message = ("[REQ] Thread=" + Thread.currentThread().getId() + " Req=" + request.getRequestId() + \r
				(request.getExecType() == ITmfDataRequest.ExecutionType.BACKGROUND ? "(BG)" : "(FG)") +\r
				", Type=" + request.getClass().getName() + \r
				", DataType=" + request.getDataType().getSimpleName() + " " + msg);\r
		trace(message);\r
	}\r
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	public static void traceEvent(ITmfDataProvider<?> provider, ITmfDataRequest<?> request, TmfData data) {\r
		String message = ("[EVT] Provider=" + provider.toString() + ", Req=" + request.getRequestId() + ", Event=" + data.toString());\r
		trace(message);\r
	}\r
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	public static void traceError(String msg) {\r
		String message = ("[ERR] Thread=" + Thread.currentThread().getId() + " " + msg);\r
		trace(message);\r
	}\r
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	public static void traceInfo(String msg) {\r
		String message = ("[INF] Thread=" + Thread.currentThread().getId() + " " + msg);\r
		trace(message);\r
	}\r
\r
}\r