com.gargoylesoftware.htmlunit.ScriptException Java Exaples

Source File: JavaScriptEngine.java From htmlunit with Apache License 2.0

6 votes

/**
 * Performs initialization for the given webWindow.
 * @param webWindow the web window to initialize for
 */
@Override
public void initialize(final WebWindow webWindow) {
    WebAssert.notNull("webWindow", webWindow);

    getContextFactory().call(cx -> {
        try {
            init(webWindow, cx);
        }
        catch (final Exception e) {
            LOG.error("Exception while initializing JavaScript for the page", e);
            throw new ScriptException(null, e); // BUG: null is not useful.
        }
        return null;
    });
}

Source File: JavaScriptEngineTest.java From htmlunit with Apache License 2.0

6 votes

/**
 * @throws Exception if the test fails
 */
@Test
@Alerts(IE = "2")
public void commentNoDoubleSlash() throws Exception {
    final String html =
        "<html><head>\n"
        + "<script><!-- alert(1);\n"
        + " alert(2);\n"
        + "alert(3) --></script>\n"
        + "</head>\n"
        + "<body>\n"
        + "</body></html>";

    boolean exceptionThrown = false;
    try {
        loadPageWithAlerts(html);
    }
    catch (final ScriptException e) {
        exceptionThrown = true;
        assertEquals(4, e.getFailingLineNumber());
    }

    assertEquals(getBrowserVersion().isFirefox() || getBrowserVersion().isChrome(), exceptionThrown);
}

Source File: HTMLDocument2Test.java From htmlunit with Apache License 2.0

6 votes

/**
 * @throws Exception if the test fails
 */
@Test
public void domainTooShort() throws Exception {
    final String html = "<html><head><title>foo</title><script>\n"
        + "function doTest() {\n"
        + "  alert(document.domain);\n"
        + "  document.domain = 'com';\n"
        + "  alert(document.domain);\n"
        + "}\n"
        + "</script></head>\n"
        + "<body onload='doTest()'>\n"
        + "</body></html>";

    final List<String> collectedAlerts = new ArrayList<>();
    try {
        loadPage(getWebClient(), html, collectedAlerts);
    }
    catch (final ScriptException ex) {
        return;
    }
    fail();
}

Source File: JavaScriptEngine.java From HtmlUnit-Android with Apache License 2.0

6 votes

/**
 * Performs initialization for the given webWindow.
 * @param webWindow the web window to initialize for
 */
@Override
public void initialize(final WebWindow webWindow) {
    WebAssert.notNull("webWindow", webWindow);

    final ContextAction action = new ContextAction() {
        @Override
        public Object run(final Context cx) {
            try {
                init(webWindow, cx);
            }
            catch (final Exception e) {
                LOG.error("Exception while initializing JavaScript for the page", e);
                throw new ScriptException(null, e); // BUG: null is not useful.
            }

            return null;
        }
    };

    getContextFactory().call(action);
}

Source File: JavaScriptEngine.java From HtmlUnit-Android with Apache License 2.0

6 votes

/**
 * Handles an exception that occurred during execution of JavaScript code.
 * @param scriptException the exception
 * @param triggerOnError if true, this triggers the onerror handler
 */
protected void handleJavaScriptException(final ScriptException scriptException, final boolean triggerOnError) {
    // Trigger window.onerror, if it has been set.
    final HtmlPage page = scriptException.getPage();
    if (triggerOnError && page != null) {
        final WebWindow window = page.getEnclosingWindow();
        if (window != null) {
            final Window w = window.getScriptableObject();
            if (w != null) {
                try {
                    w.triggerOnError(scriptException);
                }
                catch (final Exception e) {
                    handleJavaScriptException(new ScriptException(page, e, null), false);
                }
            }
        }
    }
    getWebClient().getJavaScriptErrorListener().scriptException(page, scriptException);
    // Throw a Java exception if the user wants us to.
    if (getWebClient().getOptions().isThrowExceptionOnScriptError()) {
        throw scriptException;
    }
    // Log the error; ScriptException instances provide good debug info.
    LOG.info("Caught script exception", scriptException);
}

Source File: HtmlUnitContextFactory.java From htmlunit with Apache License 2.0

5 votes

/**
 * Same as {@link ContextFactory}{@link #call(ContextAction)} but with handling
 * of some exceptions.
 *
 * @param <T> return type of the action
 * @param action the contextAction
 * @param page the page
 * @return the result of the call
 */
public final <T> T callSecured(final ContextAction<T> action, final HtmlPage page) {
    try {
        return call(action);
    }
    catch (final StackOverflowError e) {
        webClient_.getJavaScriptErrorListener().scriptException(page, new ScriptException(page, e));
        return null;
    }
}

Source File: Window.java From htmlunit with Apache License 2.0

5 votes

/**
 * Triggers the {@code onerror} handler, if one has been set.
 * @param e the error that needs to be reported
 */
public void triggerOnError(final ScriptException e) {
    final Object o = getOnerror();
    if (o instanceof Function) {
        final Function f = (Function) o;
        String msg = e.getMessage();
        final String url = e.getPage().getUrl().toExternalForm();

        final int line = e.getFailingLineNumber();
        final int column = e.getFailingColumnNumber();

        Object jsError = e.getMessage();
        if (e.getCause() instanceof JavaScriptException) {
            msg = "uncaught exception: " + e.getCause().getMessage();
            jsError = ((JavaScriptException) e.getCause()).getValue();
        }
        else if (e.getCause() instanceof EcmaError) {
            msg = "uncaught " + e.getCause().getMessage();

            final EcmaError ecmaError = (EcmaError) e.getCause();
            final Scriptable err = Context.getCurrentContext().newObject(this, "Error");
            ScriptableObject.putProperty(err, "message", ecmaError.getMessage());
            ScriptableObject.putProperty(err, "fileName", ecmaError.sourceName());
            ScriptableObject.putProperty(err, "lineNumber", Integer.valueOf(ecmaError.lineNumber()));
            jsError = err;
        }

        final Object[] args = {msg, url, Integer.valueOf(line), Integer.valueOf(column), jsError};
        f.call(Context.getCurrentContext(), this, this, args);
    }
}

Source File: JavaScriptEngine.java From htmlunit with Apache License 2.0

5 votes

/**
 * Handles an exception that occurred during execution of JavaScript code.
 * @param scriptException the exception
 * @param triggerOnError if true, this triggers the onerror handler
 */
protected void handleJavaScriptException(final ScriptException scriptException, final boolean triggerOnError) {
    // shutdown was already called
    final WebClient webClient = getWebClient();
    if (webClient == null) {
        if (LOG.isInfoEnabled()) {
            LOG.info("handleJavaScriptException('" + scriptException.getMessage()
                + "') called after the shutdown of the Javascript engine - exception ignored.");
        }

        return;
    }

    // Trigger window.onerror, if it has been set.
    final HtmlPage page = scriptException.getPage();
    if (triggerOnError && page != null) {
        final WebWindow window = page.getEnclosingWindow();
        if (window != null) {
            final Window w = window.getScriptableObject();
            if (w != null) {
                try {
                    w.triggerOnError(scriptException);
                }
                catch (final Exception e) {
                    handleJavaScriptException(new ScriptException(page, e, null), false);
                }
            }
        }
    }

    webClient.getJavaScriptErrorListener().scriptException(page, scriptException);
    // Throw a Java exception if the user wants us to.
    if (webClient.getOptions().isThrowExceptionOnScriptError()) {
        throw scriptException;
    }
}

Source File: MSXMLActiveXObjectFactory.java From htmlunit with Apache License 2.0

5 votes

private XMLDOMDocument createXMLDOMDocument(final WebWindow enclosingWindow) {
    final XMLDOMDocument document = new XMLDOMDocument(enclosingWindow);
    initObject(document);

    try {
        document.setParentScope(enclosingWindow.getScriptableObject());
    }
    catch (final Exception e) {
        LOG.error("Exception while initializing JavaScript for the page", e);
        throw new ScriptException(null, e); // BUG: null is not useful.
    }
    return document;
}

Source File: MSXMLActiveXObjectFactory.java From htmlunit with Apache License 2.0

5 votes

private void initObject(final MSXMLScriptable scriptable) {
    try {
        scriptable.setPrototype(environment_.getPrototype(scriptable.getClass()));
        scriptable.setEnvironment(environment_);
    }
    catch (final Exception e) {
        LOG.error("Exception while initializing JavaScript for the page", e);
        throw new ScriptException(null, e); // BUG: null is not useful.
    }
}

Source File: IEWeirdSyntaxTest.java From htmlunit with Apache License 2.0

5 votes

private void doTestWithEvaluatorExceptionExcept(final String html) throws Exception {
    try {
        loadPageWithAlerts2(html);
    }
    catch (final Exception e) {
        if (!(e.getCause() instanceof ScriptException)) {
            throw e;
        }
    }
}

Source File: JavaScriptEngineTest.java From htmlunit with Apache License 2.0

5 votes

/**
 * Test for a javascript which points to a broken gzip encoded file (bug 3563712).
 * @throws Exception if an error occurs
 */
@Test
public void externalScriptBrokenGZipEncoded() throws Exception {
    final MockWebConnection webConnection = getMockWebConnection();

    try (ByteArrayOutputStream bytes = new ByteArrayOutputStream()) {
        final String jsContent = "function doTest() { alert('gZip'); }";
        bytes.write(jsContent.getBytes("ASCII"));

        final List<NameValuePair> headers = new ArrayList<>();
        headers.add(new NameValuePair("Content-Encoding", "gzip"));
        webConnection.setResponse(new URL(URL_FIRST, "foo.js"),
                bytes.toByteArray(), 200, "OK", "text/javascript", headers);
    }

    final String htmlContent
        = "<html><head>\n"
        + "<title>foo</title>\n"
        + "<script src='/foo.js'></script>\n"
        + "</head><body onload='doTest();alert(\"done\");'>\n"
        + "</body></html>";

    try {
        loadPageWithAlerts(htmlContent);
        fail("ScriptException expected");
    }
    catch (final ScriptException e) {
        // expected
    }
}

Source File: Window.java From HtmlUnit-Android with Apache License 2.0

5 votes

/**
 * Triggers the {@code onerror} handler, if one has been set.
 * @param e the error that needs to be reported
 */
public void triggerOnError(final ScriptException e) {
    final Object o = getOnerror();
    if (o instanceof Function) {
        final Function f = (Function) o;
        String msg = e.getMessage();
        final String url = e.getPage().getUrl().toExternalForm();

        final int line = e.getFailingLineNumber();
        final int column = e.getFailingColumnNumber();

        Object jsError = e.getMessage();
        if (e.getCause() instanceof JavaScriptException) {
            msg = "uncaught exception: " + e.getCause().getMessage();
            jsError = ((JavaScriptException) e.getCause()).getValue();
        }
        else if (e.getCause() instanceof EcmaError) {
            msg = "uncaught " + e.getCause().getMessage();

            final EcmaError ecmaError = (EcmaError) e.getCause();
            final Scriptable err = Context.getCurrentContext().newObject(this, "Error");
            ScriptableObject.putProperty(err, "message", ecmaError.getMessage());
            ScriptableObject.putProperty(err, "fileName", ecmaError.sourceName());
            ScriptableObject.putProperty(err, "lineNumber", Integer.valueOf(ecmaError.lineNumber()));
            jsError = err;
        }

        final Object[] args = new Object[] {msg, url, Integer.valueOf(line), Integer.valueOf(column), jsError};
        f.call(Context.getCurrentContext(), this, this, args);
    }
}

Source File: MSXMLActiveXObjectFactory.java From HtmlUnit-Android with Apache License 2.0

5 votes

private XMLDOMDocument createXMLDOMDocument(final WebWindow enclosingWindow) {
    final XMLDOMDocument document = new XMLDOMDocument(enclosingWindow);
    initObject(document);

    try {
        document.setParentScope((Scriptable) enclosingWindow.getScriptableObject());
    }
    catch (final Exception e) {
        LOG.error("Exception while initializing JavaScript for the page", e);
        throw new ScriptException(null, e); // BUG: null is not useful.
    }
    return document;
}

Source File: MSXMLActiveXObjectFactory.java From HtmlUnit-Android with Apache License 2.0

5 votes

private void initObject(final MSXMLScriptable scriptable) {
    try {
        scriptable.setPrototype(environment_.getPrototype(scriptable.getClass()));
        scriptable.setEnvironment(environment_);
    }
    catch (final Exception e) {
        LOG.error("Exception while initializing JavaScript for the page", e);
        throw new ScriptException(null, e); // BUG: null is not useful.
    }
}

com.gargoylesoftware.htmlunit.ScriptException Java Examples