org.mozilla.javascript.WrappedException Java Examples

/**
 * Since a continuation can only capture JavaScript frames and not Java
 * frames, ensure that Rhino throws an exception when the JavaScript frames
 * don't reach all the way to the code called by
 * executeScriptWithContinuations or callFunctionWithContinuations.
 */
public void testErrorOnEvalCall() {
    Context cx = Context.enter();
    try {
        cx.setOptimizationLevel(-1); // must use interpreter mode
        Script script = cx.compileString("eval('myObject.f(3);');",
                "test source", 1, null);
        cx.executeScriptWithContinuations(script, globalScope);
        fail("Should throw IllegalStateException");
    } catch (WrappedException we) {
        Throwable t = we.getWrappedException();
        assertTrue(t instanceof IllegalStateException);
        assertTrue(t.getMessage().startsWith("Cannot capture continuation"));
    } finally {
        Context.exit();
    }
}
 

/**
 * Since a continuation can only capture JavaScript frames and not Java
 * frames, ensure that Rhino throws an exception when the JavaScript frames
 * don't reach all the way to the code called by
 * executeScriptWithContinuations or callFunctionWithContinuations.
 */
public void testErrorOnEvalCall() {
    Context cx = Context.enter();
    try {
        cx.setOptimizationLevel(-1); // must use interpreter mode
        Script script = cx.compileString("eval('myObject.f(3);');",
                "test source", 1, null);
        cx.executeScriptWithContinuations(script, globalScope);
        fail("Should throw IllegalStateException");
    } catch (WrappedException we) {
        Throwable t = we.getWrappedException();
        assertTrue(t instanceof IllegalStateException);
        assertTrue(t.getMessage().startsWith("Cannot capture continuation"));
    } finally {
        Context.exit();
    }
}
 

public Object call( Context cx, Scriptable scope, Scriptable thisObj,
		java.lang.Object[] args )
{
	Object[] convertedArgs = JavascriptEvalUtil
			.convertToJavaObjects( args );

	try
	{
		if ( convertedArgs.length == 2 )
			report.setUserProperty( (String) convertedArgs[0],
					(String) convertedArgs[1] );
		else if ( convertedArgs.length == 3 )
			report.setUserProperty( (String) convertedArgs[0],
					convertedArgs[1], (String) convertedArgs[2] );

	}
	catch ( SemanticException e )
	{
		throw new WrappedException( e );
	}

	return null;
}
 

private static List<Runner> runnersFromJs(final Class<?> cls)
throws InitializationError, IOException {
    final JavascriptResource js = cls.getAnnotation(JavascriptResource.class);
    final List<Runner> runners = new LinkedList<>();
    try (final LineNumberReader reader = new LineNumberReader(
            new InputStreamReader(ClassLoader.getSystemResourceAsStream(js.name())))) {
        while (true) {
            final String expr = reader.readLine();
            final int line = reader.getLineNumber();
            if (expr == null) {
                break;
            }

            if (!expr.trim().isEmpty() && !expr.trim().startsWith("//")) {
                runners.add(new Runner() {
                    @Override
                    public Description getDescription() {
                        final String[] parts = expr.split(" *; *");
                        final String desc = parts[parts.length - 1];
                        return Description.createTestDescription(cls,
                            String.format("%s:%s => %s", js.name(), line, desc), js);
                    }

                    @Override
                    public void run(final RunNotifier notifier) {
                        notifier.fireTestStarted(getDescription());
                        // should really do something more generic here
                        // instead of hard-coded setup, explicit
                        // data frame construction...
                        System.setIn(new ByteArrayInputStream(
                            String.format("tmp = frames[0]; df = frames[1]; %s;", expr).getBytes()));
                        try {
                            final DataFrame<Object> df = DataFrame.readCsv(ClassLoader.getSystemResourceAsStream("grouping.csv"));
                            final Object result = Shell.repl(Arrays.asList(new DataFrame<>(), df));
                            if (result instanceof WrappedException) {
                                throw WrappedException.class.cast(result).getWrappedException();
                            } else if (result instanceof Throwable) {
                                throw Throwable.class.cast(result);
                            }
                            org.junit.Assert.assertFalse(result == null);
                        } catch (final IOException ioe) {
                            notifier.fireTestAssumptionFailed(new Failure(getDescription(), ioe));
                        } catch (final AssertionError err) {
                            notifier.fireTestFailure(new Failure(getDescription(), err));
                        } catch (final Throwable ex) {
                            notifier.fireTestFailure(new Failure(getDescription(), ex));
                        } finally {
                            notifier.fireTestFinished(getDescription());
                        }
                    }
                });
            }
        }
    }
    return runners;
}
 

private void initFunctions( )
{
	Method[] tmpMethods = this.getClass( ).getDeclaredMethods( );
	HashMap<String, Method> methods = new LinkedHashMap<String, Method>( );
	for ( int i = 0; i < tmpMethods.length; i++ )
	{
		Method tmpMethod = tmpMethods[i];
		String methodName = tmpMethod.getName( );
		// must handle special case with long parameter or polymiorphism
		if ( "getReportElementByID".equals( methodName ) //$NON-NLS-1$
				|| "setUserProperty".equals( methodName ) ) //$NON-NLS-1$
			continue;
		if ( ( tmpMethod.getModifiers( ) & Modifier.PUBLIC ) != 0 )
			methods.put( methodName, tmpMethod );
	}

	Context.enter( );
	try
	{
		for ( final Entry<String, Method> entry : methods.entrySet( ) )
		{
			this.defineProperty( entry.getKey( ), new BaseFunction( ) {

				private static final long serialVersionUID = 1L;

				public Object call( Context cx, Scriptable scope,
						Scriptable thisObj, Object[] args )
				{
					Object[] convertedArgs = JavascriptEvalUtil
							.convertToJavaObjects( args );
					try
					{
						Method method = entry.getValue( );
						return method.invoke( ReportDesign.this,
								convertedArgs );
					}
					catch ( Exception e )
					{
						throw new WrappedException( e );
					}
				}

			}, DONTENUM );
		}
	}
	finally
	{
		Context.exit( );
	}

	this.defineProperty( "getReportElementByID", //$NON-NLS-1$
			new Function_getReportElementByID( ), DONTENUM );
	this.defineProperty( "setUserProperty", //$NON-NLS-1$
			new Function_setUserProperty( ), DONTENUM );
}
 

private void handleError(Throwable t) throws BSFException {
    if (t instanceof WrappedException)
        t = ((WrappedException) t).getWrappedException();

    String message = null;
    Throwable target = t;

    if (t instanceof JavaScriptException) {
        message = t.getLocalizedMessage();

        // Is it an exception wrapped in a JavaScriptException?
        Object value = ((JavaScriptException) t).getValue();
        if (value instanceof Throwable) {
            // likely a wrapped exception from a LiveConnect call.
            // Display its stack trace as a diagnostic
            target = (Throwable) value;
        }
    }
    else if (t instanceof EvaluatorException ||
             t instanceof SecurityException) {
        message = t.getLocalizedMessage();
    }
    else if (t instanceof RuntimeException) {
        message = "Internal Error: " + t.toString();
    }
    else if (t instanceof StackOverflowError) {
        message = "Stack Overflow";
    }

    if (message == null)
        message = t.toString();

    if (t instanceof Error && !(t instanceof StackOverflowError)) {
        // Re-throw Errors because we're supposed to let the JVM see it
        // Don't re-throw StackOverflows, because we know we've
        // corrected the situation by aborting the loop and
        // a long stacktrace would end up on the user's console
        throw (Error) t;
    }
    else {
        throw new BSFException(BSFException.REASON_OTHER_ERROR,
                               "JavaScript Error: " + message,
                               target);
    }
}