Java Code Examples for org.mozilla.javascript.Context#enter()

@SuppressWarnings("unchecked")
@Override
protected void setUp() {
    // set up a reference map
    reference = new ArrayList<Object>();
    reference.add("a");
    reference.add(Boolean.TRUE);
    reference.add(new HashMap<Object, Object>());
    reference.add(new Integer(42));
    reference.add("a");
    // get a js object as map
    Context context = Context.enter();
    ScriptableObject scope = context.initStandardObjects();
    list = (List<Object>) context.evaluateString(scope,
            "(['a', true, new java.util.HashMap(), 42, 'a']);",
            "testsrc", 1, null);
    Context.exit();
}
 

public void testScriptWithContinuations() {
    Context cx = Context.enter();
    try {
        cx.setOptimizationLevel(-1); // must use interpreter mode
        Script script = cx.compileString("myObject.f(3) + 1;",
                "test source", 1, null);
        cx.executeScriptWithContinuations(script, globalScope);
        fail("Should throw ContinuationPending");
    } catch (ContinuationPending pending) {

        Object applicationState = pending.getApplicationState();
        assertEquals(new Integer(3), applicationState);
        int saved = (Integer) applicationState;
        Object result = cx.resumeContinuation(pending.getContinuation(), globalScope, saved + 1);
        assertEquals(5, ((Number)result).intValue());

    } finally {
        Context.exit();
    }
}
 

@Test
public void testAnnotatedHostObject() {
    Context cx = Context.enter();
    try {
        Object result = evaluate(cx, "a = new AnnotatedHostObject(); a.initialized;");
        assertEquals(result, Boolean.TRUE);
        assertEquals(evaluate(cx, "a.instanceFunction();"), "instanceFunction");
        assertEquals(evaluate(cx, "a.namedFunction();"), "namedFunction");
        assertEquals(evaluate(cx, "AnnotatedHostObject.staticFunction();"), "staticFunction");
        assertEquals(evaluate(cx, "AnnotatedHostObject.namedStaticFunction();"), "namedStaticFunction");
        assertNull(evaluate(cx, "a.foo;"));
        assertEquals(evaluate(cx, "a.foo = 'foo'; a.foo;"), "FOO");
        assertEquals(evaluate(cx, "a.bar;"), "bar");

        // Setting a property with no setting should be silently
        // ignored in non-strict mode.
        evaluate(cx, "a.bar = 'new bar'");
        assertEquals("bar", evaluate(cx, "a.bar;"));
    } finally {
        Context.exit();
    }
}
 

@Before
   public void setUp() throws Exception
{
	/*
	 * Creates and enters a Context. The Context stores information about
	 * the execution environment of a script.
	 */

	cx = Context.enter( );
	/*
	 * Initialize the standard objects (Object, Function, etc.) This must be
	 * done before scripts can be executed. Returns a scope object that we
	 * use in later calls.
	 */
	scope = cx.initStandardObjects( );

	new CoreJavaScriptInitializer().initialize( cx, scope );

}
 

@Before
   public void setUp() throws Exception
{
	/*
	 * Creates and enters a Context. The Context stores information about
	 * the execution environment of a script.
	 */

	cx = Context.enter( );
	/*
	 * Initialize the standard objects (Object, Function, etc.) This must be
	 * done before scripts can be executed. Returns a scope object that we
	 * use in later calls.
	 */
	scope = cx.initStandardObjects( );

	// ScriptableObject.defineClass(scope, NativeNamedList.class);

	registerBeans( );

}
 

private static Test createTest(final File testDir, final String name) {
    return new TestCase(name) {
        @Override
        public int countTestCases() {
            return 1;
        }
        @Override
        public void runBare() throws Throwable {
            final Context cx = Context.enter();
            try {
                cx.setOptimizationLevel(-1);
                final Scriptable scope = cx.initStandardObjects();
                ScriptableObject.putProperty(scope, "print", new Print(scope));
                createRequire(testDir, cx, scope).requireMain(cx, "program");
            }
            finally {
                Context.exit();
            }
        }
    };
}
 

/**
 * Packs the given SSML document into a JSON structure.
 * 
 * @param speakable
 *            the speakable with the SSML document
 * @return JSON formatted string
 */
private String toJson(final SpeakableText speakable) {
    final Context context = Context.enter();
    context.setLanguageVersion(Context.VERSION_DEFAULT);
    final ScriptableObject scope = context.initStandardObjects();
    final String ssml = speakable.getSpeakableText();
    final Scriptable vxml = context.newObject(scope);
    ScriptableObject.putProperty(vxml, "ssml", ssml);
    return toJSON(vxml);
}
 

/**
 * 
 * @param expr
 * @param objectName
 * @return
 */
public static Set<String> getReferencedMeasure( String expr )
{
	if ( expr == null )
		return Collections.emptySet( );
	try
	{
		Set<String> result = new LinkedHashSet<String>( );
		Context cx = Context.enter( );
		CompilerEnvirons ce = new CompilerEnvirons( );
		Parser p = new Parser( ce, cx.getErrorReporter( ) );
		AstRoot tree = p.parse( expr, null, 0 );
		IRFactory ir = new IRFactory( ce );
		ScriptNode script = ir.transformTree( tree );
		getScriptObjectName( script, "measure", result ); //$NON-NLS-1$
		
		return result;
	}
	catch( Exception e )
	{
		return Collections.emptySet( );
	}
	finally
	{
		Context.exit( );
	}
}
 

/**
 * This is used by an application to evaluate a string containing
 * some expression.
 */
public Object eval(String source, int lineNo, int columnNo, Object oscript)
    throws BSFException {

    String scriptText = oscript.toString();
    Object retval = null;
    Context cx;

    try {
        cx = Context.enter();

        cx.setOptimizationLevel(-1);
        cx.setGeneratingDebug(false);
        cx.setGeneratingSource(false);
        cx.setOptimizationLevel(0);
        cx.setDebugger(null, null);

        retval = cx.evaluateString(global, scriptText,
                                   source, lineNo,
                                   null);

        if (retval instanceof NativeJavaObject)
            retval = ((NativeJavaObject) retval).unwrap();

    } 
    catch (Throwable t) { // includes JavaScriptException, rethrows Errors
        handleError(t);
    } 
    finally {
        Context.exit();
    }
    return retval;
}
 

/**
 * Gets a top level scope for evaluating javascript expressions. This scope can be
 * either user provided, or one created by this adaptor
 */
public Scriptable getTopScope()
{
	if ( topScope == null )
	{
		// No scope provided by user; create one
		Context cx = Context.enter( );
		topScope = new DataAdapterTopLevelScope( cx, moduleHandle );
		Context.exit( );
	}
	return topScope;
}
 

public int g(int a) {
    Context cx = Context.enter();
    try {
        ContinuationPending pending = cx.captureContinuation();
        pending.setApplicationState(2*a);
        throw pending;
    } finally {
        Context.exit();
    }
}
 

/**
 * Constructs a new object.
 */
public EmmaSemanticInterpretationExtractor() {
    interpretations = new java.util.HashMap<String, Object>();
    interpretationTagNames = new java.util.Stack<String>();
    context = Context.enter();
    context.setLanguageVersion(Context.VERSION_1_6);
    scope = context.initStandardObjects();
}
 

/**
 * @see org.alfresco.service.cmr.repository.ScriptProcessor#execute(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName, java.util.Map)
 */
public Object execute(NodeRef nodeRef, QName contentProp, Map<String, Object> model)
{
    try
    {
        if (this.services.getNodeService().exists(nodeRef) == false)
        {
            throw new AlfrescoRuntimeException("Script Node does not exist: " + nodeRef);
        }
        
        if (contentProp == null)
        {
            contentProp = ContentModel.PROP_CONTENT;
        }
        ContentReader cr = this.services.getContentService().getReader(nodeRef, contentProp);
        if (cr == null || cr.exists() == false)
        {
            throw new AlfrescoRuntimeException("Script Node content not found: " + nodeRef);
        }
        
        // compile the script based on the node content
        Script script;
        Context cx = Context.enter();
        try
        {
            script = cx.compileString(resolveScriptImports(cr.getContentString()), nodeRef.toString(), 1, null);
        }
        finally
        {
            Context.exit();
        }
        
        return executeScriptImpl(script, model, false, nodeRef.toString());
    }
    catch (Throwable err)
    {
        throw new ScriptException("Failed to execute script '" + nodeRef.toString() + "': " + err.getMessage(), err);
    }
}
 

/**
 * 
 * @param expr
 * @param bindings
 * @param onlyFromDirectReferenceExpr
 * @return
 * @throws DataException
 */
public static Set<IDimLevel> getReferencedDimLevel( String expr )
		throws CoreException
{
	if ( expr == null  )
		return new HashSet<IDimLevel>( );
	try
	{
		Set<IDimLevel> result = new HashSet<IDimLevel>( );
		Context cx = Context.enter( );
		CompilerEnvirons ce = new CompilerEnvirons( );
		Parser p = new Parser( ce, cx.getErrorReporter( ) );
		AstRoot tree = p.parse( expr, null, 0 );
		IRFactory ir = new IRFactory( ce );
		ScriptNode script = ir.transformTree( tree );
		populateDimLevels( null, script, result );
		return result;
	}
	catch( Exception e )
	{
		return Collections.emptySet( );
	}
	finally
	{
		Context.exit( );
	}
}
 

@Before
public void initContext() {
    context = Context.enter();
}
 

@Before
public void setUp() {
    cx = Context.enter();
    cx.setLanguageVersion(Context.VERSION_1_8);
}
 

@Before
public void setUp() {
    cx = Context.enter();
    scope = cx.initStandardObjects();
    cx.setLanguageVersion(170);
}
 

@Before
public void setUp() {
    cx = Context.enter();
    cx.setOptimizationLevel(-1);
    scope = cx.initStandardObjects();
}
 

private JsGlobal() {
	this(Context.enter());
}
 

/**
 * Sub query test
 * Normal case: add subquery to GroupDefinition
 * @throws Exception
 */
@Test
   public void test( ) throws Exception
{
	// 1 prepare query execution
	Context cx = Context.enter( );
	Scriptable sharedScope = cx.initStandardObjects( );

	Scriptable subScope = cx.newObject( sharedScope );
	subScope.setParentScope( sharedScope );
	
	IQueryDefinition queryDefn = getDefaultQueryDefnWithSubQuery( dataSet.getName( ) );
	expressions = getExpressionsOfDefaultQuery( );
	
	// 2 do query execution
	IResultIterator resultIt = executeQuery( queryDefn );
	
	// 3.1 get sub query data
	resultIt.next( );
	IResultIterator subIterator = resultIt.getSecondaryIterator( "IAMTEST",
			sharedScope );
	
	// 3.2 get sub query of sub query data
	subIterator.next( );
	IResultIterator subSubIterator = subIterator.getSecondaryIterator( "IAMTEST2",
			subScope );

	bindingNameRow = this.getBindingExpressionName( );
	// 4.1 output sub query data
	testPrintln( "sub query data" );
	outputData( subIterator );
	testPrintln( "" );
	
	// 4.2 output sub query of sub query data
	testPrintln( "sub query of sub query data" );
	outputData( subSubIterator );
	testPrintln( "" );
	
	// check whether output is correct
	checkOutputFile();
}