tmf: Use tabs in statistics view for each traces

[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng.ui / src / org / eclipse / linuxtools / internal / lttng / ui / TraceDebug.java

package org.eclipse.linuxtools.internal.lttng.ui;\r
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import java.io.FileWriter;\r
import java.io.IOException;\r
import java.io.PrintWriter;\r
import java.text.SimpleDateFormat;\r
import java.util.Date;\r
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import org.eclipse.core.runtime.ILog;\r
import org.eclipse.core.runtime.IStatus;\r
import org.eclipse.core.runtime.Platform;\r
import org.eclipse.core.runtime.Plugin;\r
import org.eclipse.core.runtime.Status;\r
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@SuppressWarnings("nls")\r
public class TraceDebug {\r
    static boolean DEBUG = false;\r
    static boolean INFO = false;\r
    static boolean WARN = false;\r
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    static boolean CFV = false;\r
    static boolean RV = false;\r
    static boolean SV = false;\r
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    private static Plugin plugin = Activator.getDefault();\r
    private static String pluginID = Activator.PLUGIN_ID;\r
    private static SimpleDateFormat stimeformat = new SimpleDateFormat("HH:mm:ss:SSS");\r
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    // Note: files are created in $HOME\r
    static private PrintWriter fCFVfile = null;\r
    static private PrintWriter fRVfile = null;\r
    static private PrintWriter fSVfile = null;\r
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    public static void init() {\r
        // Update Trace configuration options\r
        String debugTrace = Platform.getDebugOption(pluginID + "/debug");\r
        String infoTrace = Platform.getDebugOption(pluginID + "/info");\r
        String warnTrace = Platform.getDebugOption(pluginID + "/warn");\r
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        if (debugTrace != null) {\r
            DEBUG = Boolean.valueOf(debugTrace);\r
        }\r
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        if (infoTrace != null) {\r
            INFO = Boolean.valueOf(infoTrace);\r
        }\r
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        if (warnTrace != null) {\r
            WARN = Boolean.valueOf(warnTrace);\r
        }\r
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        String cfvTrace = Platform.getDebugOption(pluginID + "/cfv");\r
        if (cfvTrace != null) {\r
            CFV = Boolean.valueOf(cfvTrace);\r
            if (CFV) {\r
                try {\r
                    fCFVfile = new PrintWriter(new FileWriter("CFVTrace.txt"));\r
                } catch (IOException e) {\r
                    e.printStackTrace();\r
                }\r
            }\r
        }\r
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        String rvTrace = Platform.getDebugOption(pluginID + "/rv");\r
        if (rvTrace != null) {\r
            RV = Boolean.valueOf(rvTrace);\r
            if (RV) {\r
                try {\r
                    fRVfile = new PrintWriter(new FileWriter("RVTrace.txt"));\r
                } catch (IOException e) {\r
                    e.printStackTrace();\r
                }\r
            }\r
        }\r
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        String svTrace = Platform.getDebugOption(pluginID + "/sv");\r
        if (svTrace != null) {\r
            SV = Boolean.valueOf(svTrace);\r
            if (SV) {\r
                try {\r
                    fSVfile = new PrintWriter(new FileWriter("SVTrace.txt"));\r
                } catch (IOException e) {\r
                    e.printStackTrace();\r
                }\r
            }\r
        }\r
    }\r
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    public static void stop() {\r
        if (fCFVfile != null) {\r
            fCFVfile.close();\r
            fCFVfile = null;\r
        }\r
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        if (fRVfile != null) {\r
            fRVfile.close();\r
            fRVfile = null;\r
        }\r
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        if (fSVfile != null) {\r
            fSVfile.close();\r
            fSVfile = null;\r
        }\r
    }\r
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    public static void traceCFV(String trace) {\r
        if (CFV && fCFVfile != null) {\r
            fCFVfile.println(trace);\r
            fCFVfile.flush();\r
        }\r
    }\r
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    public static void traceRV(String trace) {\r
        if (RV && fRVfile != null) {\r
            fRVfile.println(trace);\r
            fRVfile.flush();\r
        }\r
    }\r
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    public static void traceSV(String trace) {\r
        if (SV && fSVfile != null) {\r
            fSVfile.println(trace);\r
            fSVfile.flush();\r
        }\r
    }\r
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    public static void info(String message) {\r
        if (INFO) {\r
            ILog logger = plugin.getLog();\r
            logger.log(new Status(IStatus.INFO, Activator.PLUGIN_ID, IStatus.OK, message, null));\r
        }\r
    }\r
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    public static void warn(String message) {\r
        if (WARN) {\r
            ILog logger = plugin.getLog();\r
            logger.log(new Status(IStatus.WARNING, Activator.PLUGIN_ID, IStatus.WARNING, message, null));\r
        }\r
    }\r
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    public static void debug(String message) {\r
        if (DEBUG) {\r
            String location = getCallingLocation();\r
            System.out.println(location + "\n\t-> " + message);\r
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        }\r
    }\r
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    public static void debug(String message, int additionalStackLines) {\r
        if (DEBUG) {\r
            String location = getCallingLocation(additionalStackLines);\r
            System.out.println(location + "\n\t-> " + message);\r
        }\r
    }\r
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    public static void throwException(String message) {\r
        if (DEBUG) {\r
            try {\r
                triggerException(message);\r
            } catch (Exception e) {\r
                e.printStackTrace();\r
            }\r
        }\r
    }\r
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    private static void triggerException(String message) throws Exception {\r
        throw new Exception(message);\r
    }\r
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    private static String getCallingLocation() {\r
        StringBuilder sb = new StringBuilder();\r
        sb.append(trace(Thread.currentThread().getStackTrace(), 4));\r
        sb.append("\n" + trace(Thread.currentThread().getStackTrace(), 3));\r
        return sb.toString();\r
    }\r
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    private static String getCallingLocation(int numOfStackLines) {\r
        int stackCalledFromIdx = 3;\r
        int earliestRequested = numOfStackLines > 0 ? stackCalledFromIdx + numOfStackLines : stackCalledFromIdx;\r
        StringBuilder sb = new StringBuilder();\r
        for (int i = earliestRequested; i >= stackCalledFromIdx; i--) {\r
            sb.append(trace(Thread.currentThread().getStackTrace(), i) + "\n");\r
        }\r
        return sb.toString();\r
    }\r
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    private static String trace(StackTraceElement e[], int level) {\r
        if (e != null) {\r
            level = level >= e.length ? e.length - 1 : level;\r
            StackTraceElement s = e[level];\r
            if (s != null) {\r
                String simpleClassName = s.getClassName();\r
                String[] clsNameSegs = simpleClassName.split("\\.");\r
                if (clsNameSegs.length > 0)\r
                    simpleClassName = clsNameSegs[clsNameSegs.length - 1];\r
                return stimeformat.format(new Date()) + " " + simpleClassName + "." + s.getLineNumber() + "." + s.getMethodName();\r
            }\r
        }\r
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        return null;\r
    }\r
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    public static boolean isDEBUG() {\r
        return DEBUG;\r
    }\r
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    public static boolean isINFO() {\r
        return INFO;\r
    }\r
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    public static boolean isWARN() {\r
        return WARN;\r
    }\r
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    public static boolean isCFV() {\r
        return CFV;\r
    }\r
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    public static boolean isRV() {\r
        return RV;\r
    }\r
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    public static boolean isSV() {\r
        return SV;\r
    }\r
}\r