Example usage for java.lang StackTraceElement getFileName

Introduction

In this page you can find the example usage for java.lang StackTraceElement getFileName.

Prototype

public String getFileName()

Source Link

Document

Returns the name of the source file containing the execution point represented by this stack trace element.

Usage

From source file:org.sakaiproject.portal.charon.SkinnableCharonPortal.java

private void logXEntry() {
    Exception e = new Exception();
    StackTraceElement se = e.getStackTrace()[1];
    M_log.info("Log marker " + se.getMethodName() + ":" + se.getFileName() + ":" + se.getLineNumber());
}

From source file:com.simiacryptus.util.io.MarkdownNotebookOutput.java

@Override
@SuppressWarnings("unchecked")
public <T> T code(@javax.annotation.Nonnull final UncheckedSupplier<T> fn, final int maxLog,
        final int framesNo) {
    try {//from w w w .j  av a 2s  .c  om
        final StackTraceElement callingFrame = Thread.currentThread().getStackTrace()[framesNo];
        final String sourceCode = CodeUtil.getInnerText(callingFrame);
        @javax.annotation.Nonnull
        final SysOutInterceptor.LoggedResult<TimedResult<Object>> result = SysOutInterceptor.withOutput(() -> {
            long priorGcMs = ManagementFactory.getGarbageCollectorMXBeans().stream()
                    .mapToLong(x -> x.getCollectionTime()).sum();
            final long start = System.nanoTime();
            try {
                @Nullable
                Object result1 = null;
                try {
                    result1 = fn.get();
                } catch (@javax.annotation.Nonnull final RuntimeException e) {
                    throw e;
                } catch (@javax.annotation.Nonnull final Exception e) {
                    throw new RuntimeException(e);
                }
                long gcTime = ManagementFactory.getGarbageCollectorMXBeans().stream()
                        .mapToLong(x -> x.getCollectionTime()).sum() - priorGcMs;
                return new TimedResult<Object>(result1, System.nanoTime() - start, gcTime);
            } catch (@javax.annotation.Nonnull final Throwable e) {
                long gcTime = ManagementFactory.getGarbageCollectorMXBeans().stream()
                        .mapToLong(x -> x.getCollectionTime()).sum() - priorGcMs;
                return new TimedResult<Object>(e, System.nanoTime() - start, gcTime);
            }
        });
        out(anchor(anchorId()) + "Code from [%s:%s](%s#L%s) executed in %.2f seconds (%.3f gc): ",
                callingFrame.getFileName(), callingFrame.getLineNumber(),
                linkTo(CodeUtil.findFile(callingFrame)), callingFrame.getLineNumber(), result.obj.seconds(),
                result.obj.gc_seconds());
        String text = sourceCode.replaceAll("\n", "\n  ");
        out("```java");
        out("  " + text);
        out("```");

        if (!result.log.isEmpty()) {
            String summary = summarize(result.log, maxLog).replaceAll("\n", "\n    ").replaceAll("    ~", "");
            out(anchor(anchorId()) + "Logging: ");
            out("```");
            out("    " + summary);
            out("```");
        }
        out("");

        final Object eval = result.obj.result;
        if (null != eval) {
            out(anchor(anchorId()) + "Returns: \n");
            String str;
            boolean escape;
            if (eval instanceof Throwable) {
                @javax.annotation.Nonnull
                final ByteArrayOutputStream out = new ByteArrayOutputStream();
                ((Throwable) eval).printStackTrace(new PrintStream(out));
                str = new String(out.toByteArray(), "UTF-8");
                escape = true;//
            } else if (eval instanceof Component) {
                str = image(Util.toImage((Component) eval), "Result");
                escape = false;
            } else if (eval instanceof BufferedImage) {
                str = image((BufferedImage) eval, "Result");
                escape = false;
            } else if (eval instanceof TableOutput) {
                str = ((TableOutput) eval).toTextTable();
                escape = false;
            } else {
                str = eval.toString();
                escape = true;
            }
            @javax.annotation.Nonnull
            String fmt = escape
                    ? "    " + summarize(str, maxLog).replaceAll("\n", "\n    ").replaceAll("    ~", "")
                    : str;
            if (escape) {
                out("```");
                out(fmt);
                out("```");
            } else {
                out(fmt);
            }
            out("\n\n");
            if (eval instanceof RuntimeException) {
                throw ((RuntimeException) result.obj.result);
            }
            if (eval instanceof Throwable) {
                throw new RuntimeException((Throwable) result.obj.result);
            }
        }
        return (T) eval;
    } catch (@javax.annotation.Nonnull final IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.simiacryptus.util.io.HtmlNotebookOutput.java

@javax.annotation.Nonnull
@SuppressWarnings("unchecked")
@Override//from  w  w w .  ja  va  2 s .c  o m
public <T> T code(@javax.annotation.Nonnull final UncheckedSupplier<T> fn, final int maxLog,
        final int framesNo) {
    try {
        final StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
        final StackTraceElement callingFrame = stackTrace[framesNo];
        final String sourceCode = CodeUtil.getInnerText(callingFrame);
        @javax.annotation.Nonnull
        final SysOutInterceptor.LoggedResult<TimedResult<Object>> result = SysOutInterceptor.withOutput(() -> {
            long priorGcMs = ManagementFactory.getGarbageCollectorMXBeans().stream()
                    .mapToLong(x -> x.getCollectionTime()).sum();
            final long start = System.nanoTime();
            try {
                @Nullable
                Object result1 = null;
                try {
                    result1 = fn.get();
                } catch (@javax.annotation.Nonnull final RuntimeException e) {
                    throw e;
                } catch (@javax.annotation.Nonnull final Exception e) {
                    throw new RuntimeException(e);
                }
                long gcTime = ManagementFactory.getGarbageCollectorMXBeans().stream()
                        .mapToLong(x -> x.getCollectionTime()).sum() - priorGcMs;
                return new TimedResult<Object>(result1, System.nanoTime() - start, gcTime);
            } catch (@javax.annotation.Nonnull final Throwable e) {
                long gcTime = ManagementFactory.getGarbageCollectorMXBeans().stream()
                        .mapToLong(x -> x.getCollectionTime()).sum() - priorGcMs;
                return new TimedResult<Object>(e, System.nanoTime() - start, gcTime);
            }
        });
        try {
            @javax.annotation.Nonnull
            final URI resolved = URI.create(sourceRoot)
                    .resolve(Util.pathTo(CodeUtil.projectRoot, CodeUtil.findFile(callingFrame)));
            out("<p>Code from <a href='%s#L%s'>%s:%s</a> executed in %.2f seconds: <br/>", resolved,
                    callingFrame.getLineNumber(), callingFrame.getFileName(), callingFrame.getLineNumber(),
                    result.obj.seconds());
        } catch (@javax.annotation.Nonnull final Exception e) {
            out("<p>Code from %s:%s executed in %.2f seconds: <br/>", callingFrame.getFileName(),
                    callingFrame.getLineNumber(), result.obj.seconds());
        }
        out("<pre>");
        out(sourceCode);
        out("</pre>");

        if (!result.log.isEmpty()) {
            out("Logging: <br/>");
            out("<pre>");
            out(summarize(maxLog, result.log));
            out("</pre>");
        }
        out("");

        final Object eval = result.obj.result;
        if (null != eval) {
            out("Returns: <br/>");
            String str;
            boolean escape;
            if (eval instanceof Throwable) {
                @javax.annotation.Nonnull
                final ByteArrayOutputStream out = new ByteArrayOutputStream();
                ((Throwable) eval).printStackTrace(new PrintStream(out));
                str = new String(out.toByteArray(), "UTF-8");
                escape = true;//
            } else if (eval instanceof Component) {
                str = image(Util.toImage((Component) eval), "Result");
                escape = false;
            } else if (eval instanceof BufferedImage) {
                str = image((BufferedImage) eval, "Result");
                escape = false;
            } else if (eval instanceof TableOutput) {
                str = ((TableOutput) eval).toHtmlTable();
                escape = false;
            } else {
                str = eval.toString();
                escape = true;
            }
            if (escape) {
                out("<pre>" + summarize(maxLog, str) + "</pre>");
            } else {
                out(summarize(maxLog, str));
            }
            if (escape) {
            }
            out("\n\n");
            if (eval instanceof Throwable) {
                throw new RuntimeException((Throwable) result.obj.result);
            }
        }
        out("</p>");
        return (T) eval;
    } catch (@javax.annotation.Nonnull final IOException e) {
        throw new RuntimeException(e);
    }
}