package net.minecraft.crash; import cpw.mods.fml.common.FMLCommonHandler; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.io.StringWriter; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Iterator; import java.util.List; import net.minecraft.logging.ILogAgent; import net.minecraft.util.ReportedException; public class CrashReport { /** Description of the crash report. */ private final String description; /** The Throwable that is the "cause" for this crash and Crash Report. */ private final Throwable cause; private final CrashReportCategory field_85061_c = new CrashReportCategory(this, "System Details"); /** Holds the keys and values of all crash report sections. */ private final List crashReportSections = new ArrayList(); /** File of crash report. */ private File crashReportFile = null; private boolean field_85059_f = true; private StackTraceElement[] field_85060_g = new StackTraceElement[0]; public CrashReport(String par1Str, Throwable par2Throwable) { this.description = par1Str; this.cause = par2Throwable; this.populateEnvironment(); } /** * Populates this crash report with initial information about the running server and operating system / java * environment */ private void populateEnvironment() { this.field_85061_c.addCrashSectionCallable("Minecraft Version", new CallableMinecraftVersion(this)); this.field_85061_c.addCrashSectionCallable("Operating System", new CallableOSInfo(this)); this.field_85061_c.addCrashSectionCallable("Java Version", new CallableJavaInfo(this)); this.field_85061_c.addCrashSectionCallable("Java VM Version", new CallableJavaInfo2(this)); this.field_85061_c.addCrashSectionCallable("Memory", new CallableMemoryInfo(this)); this.field_85061_c.addCrashSectionCallable("JVM Flags", new CallableJVMFlags(this)); this.field_85061_c.addCrashSectionCallable("AABB Pool Size", new CallableCrashMemoryReport(this)); this.field_85061_c.addCrashSectionCallable("Suspicious classes", new CallableSuspiciousClasses(this)); this.field_85061_c.addCrashSectionCallable("IntCache", new CallableIntCache(this)); FMLCommonHandler.instance().enhanceCrashReport(this, this.field_85061_c); } /** * Returns the description of the Crash Report. */ public String getDescription() { return this.description; } /** * Returns the Throwable object that is the cause for the crash and Crash Report. */ public Throwable getCrashCause() { return this.cause; } @SideOnly(Side.CLIENT) public String func_90021_c() { StringBuilder stringbuilder = new StringBuilder(); this.getSectionsInStringBuilder(stringbuilder); return stringbuilder.toString(); } /** * Gets the various sections of the crash report into the given StringBuilder */ public void getSectionsInStringBuilder(StringBuilder par1StringBuilder) { if (this.field_85060_g != null && this.field_85060_g.length > 0) { par1StringBuilder.append("-- Head --\n"); par1StringBuilder.append("Stacktrace:\n"); StackTraceElement[] astacktraceelement = this.field_85060_g; int i = astacktraceelement.length; for (int j = 0; j < i; ++j) { StackTraceElement stacktraceelement = astacktraceelement[j]; par1StringBuilder.append("\t").append("at ").append(stacktraceelement.toString()); par1StringBuilder.append("\n"); } par1StringBuilder.append("\n"); } Iterator iterator = this.crashReportSections.iterator(); while (iterator.hasNext()) { CrashReportCategory crashreportcategory = (CrashReportCategory)iterator.next(); crashreportcategory.func_85072_a(par1StringBuilder); par1StringBuilder.append("\n\n"); } this.field_85061_c.func_85072_a(par1StringBuilder); } /** * Gets the stack trace of the Throwable that caused this crash report, or if that fails, the cause .toString(). */ public String getCauseStackTraceOrString() { StringWriter stringwriter = null; PrintWriter printwriter = null; String s = this.cause.toString(); try { stringwriter = new StringWriter(); printwriter = new PrintWriter(stringwriter); this.cause.printStackTrace(printwriter); s = stringwriter.toString(); } finally { try { if (stringwriter != null) { stringwriter.close(); } if (printwriter != null) { printwriter.close(); } } catch (IOException ioexception) { ; } } return s; } /** * Gets the complete report with headers, stack trace, and different sections as a string. */ public String getCompleteReport() { StringBuilder stringbuilder = new StringBuilder(); stringbuilder.append("---- Minecraft Crash Report ----\n"); stringbuilder.append("// "); stringbuilder.append(getWittyComment()); stringbuilder.append("\n\n"); stringbuilder.append("Time: "); stringbuilder.append((new SimpleDateFormat()).format(new Date())); stringbuilder.append("\n"); stringbuilder.append("Description: "); stringbuilder.append(this.description); stringbuilder.append("\n\n"); stringbuilder.append(this.getCauseStackTraceOrString()); stringbuilder.append("\n\nA detailed walkthrough of the error, its code path and all known details is as follows:\n"); for (int i = 0; i < 87; ++i) { stringbuilder.append("-"); } stringbuilder.append("\n\n"); this.getSectionsInStringBuilder(stringbuilder); return stringbuilder.toString(); } @SideOnly(Side.CLIENT) /** * Gets the file this crash report is saved into. */ public File getFile() { return this.crashReportFile; } /** * Saves the complete crash report to the given File. */ public boolean saveToFile(File par1File, ILogAgent par2ILogAgent) { if (this.crashReportFile != null) { return false; } else { if (par1File.getParentFile() != null) { par1File.getParentFile().mkdirs(); } try { FileWriter filewriter = new FileWriter(par1File); filewriter.write(this.getCompleteReport()); filewriter.close(); this.crashReportFile = par1File; return true; } catch (Throwable throwable) { par2ILogAgent.logSevereException("Could not save crash report to " + par1File, throwable); return false; } } } public CrashReportCategory func_85056_g() { return this.field_85061_c; } /** * Creates a CrashReportCategory */ public CrashReportCategory makeCategory(String par1Str) { return this.makeCategoryDepth(par1Str, 1); } /** * Creates a CrashReportCategory for the given stack trace depth */ public CrashReportCategory makeCategoryDepth(String par1Str, int par2) { CrashReportCategory crashreportcategory = new CrashReportCategory(this, par1Str); if (this.field_85059_f) { int j = crashreportcategory.func_85073_a(par2); StackTraceElement[] astacktraceelement = this.cause.getStackTrace(); StackTraceElement stacktraceelement = null; StackTraceElement stacktraceelement1 = null; if (astacktraceelement != null && astacktraceelement.length - j < astacktraceelement.length) { stacktraceelement = astacktraceelement[astacktraceelement.length - j]; if (astacktraceelement.length + 1 - j < astacktraceelement.length) { stacktraceelement1 = astacktraceelement[astacktraceelement.length + 1 - j]; } } this.field_85059_f = crashreportcategory.func_85069_a(stacktraceelement, stacktraceelement1); if (j > 0 && !this.crashReportSections.isEmpty()) { CrashReportCategory crashreportcategory1 = (CrashReportCategory)this.crashReportSections.get(this.crashReportSections.size() - 1); crashreportcategory1.func_85070_b(j); } else if (astacktraceelement != null && astacktraceelement.length >= j) { this.field_85060_g = new StackTraceElement[astacktraceelement.length - j]; System.arraycopy(astacktraceelement, 0, this.field_85060_g, 0, this.field_85060_g.length); } else { this.field_85059_f = false; } } this.crashReportSections.add(crashreportcategory); return crashreportcategory; } /** * Gets a random witty comment for inclusion in this CrashReport */ private static String getWittyComment() { String[] astring = new String[] {"Who set us up the TNT?", "Everything\'s going to plan. No, really, that was supposed to happen.", "Uh... Did I do that?", "Oops.", "Why did you do that?", "I feel sad now :(", "My bad.", "I\'m sorry, Dave.", "I let you down. Sorry :(", "On the bright side, I bought you a teddy bear!", "Daisy, daisy...", "Oh - I know what I did wrong!", "Hey, that tickles! Hehehe!", "I blame Dinnerbone.", "You should try our sister game, Minceraft!", "Don\'t be sad. I\'ll do better next time, I promise!", "Don\'t be sad, have a hug! <3", "I just don\'t know what went wrong :(", "Shall we play a game?", "Quite honestly, I wouldn\'t worry myself about that.", "I bet Cylons wouldn\'t have this problem.", "Sorry :(", "Surprise! Haha. Well, this is awkward.", "Would you like a cupcake?", "Hi. I\'m Minecraft, and I\'m a crashaholic.", "Ooh. Shiny.", "This doesn\'t make any sense!", "Why is it breaking :(", "Don\'t do that.", "Ouch. That hurt :(", "You\'re mean.", "This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]", "There are four lights!"}; try { return astring[(int)(System.nanoTime() % (long)astring.length)]; } catch (Throwable throwable) { return "Witty comment unavailable :("; } } /** * Creates a crash report for the exception */ public static CrashReport makeCrashReport(Throwable par0Throwable, String par1Str) { CrashReport crashreport; if (par0Throwable instanceof ReportedException) { crashreport = ((ReportedException)par0Throwable).getCrashReport(); } else { crashreport = new CrashReport(par1Str, par0Throwable); } return crashreport; } }