Java Code Examples for org.mozilla.javascript.Scriptable#setPrototype()

public void runJsTest(Context cx, Scriptable shared, String name, String source) {
    // create a lightweight top-level scope
    Scriptable scope = cx.newObject(shared);
    scope.setPrototype(shared);
    System.out.print(name + ": ");
    Object result;
    try {
        result = cx.evaluateString(scope, source, "jstest input: " + name, 1, null);
    } catch (RuntimeException e) {
        e.printStackTrace(System.err);
        System.out.println("FAILED");
        throw e;
    }
    assertTrue(result != null);
    assertTrue("success".equals(result));
    System.out.println("passed");
}
 

@Override
public Object evaluate(final String expression, final Map<String, ?> values) throws ExpressionEvaluationException {
   LOG.debug("Evaluating JavaScript expression: {1}", expression);
   try {
      final Context ctx = ContextFactory.getGlobal().enterContext();
      final Scriptable scope = ctx.newObject(parentScope);
      scope.setPrototype(parentScope);
      scope.setParentScope(null);
      for (final Entry<String, ?> entry : values.entrySet()) {
         scope.put(entry.getKey(), scope, Context.javaToJS(entry.getValue(), scope));
      }
      final Script expr = expressionCache.get(expression);
      return expr.exec(ctx, scope);
   } catch (final EvaluatorException ex) {
      throw new ExpressionEvaluationException("Evaluating JavaScript expression failed: " + expression, ex);
   } finally {
      Context.exit();
   }
}
 

public void runJsTest(Context cx, Scriptable shared, String name, String source) {
    // create a lightweight top-level scope
    Scriptable scope = cx.newObject(shared);
    scope.setPrototype(shared);
    System.out.print(name + ": ");
    Object result;
    try {
        result = cx.evaluateString(scope, source, "jstest input", 1, null);
    } catch (RuntimeException e) {
        System.out.println("FAILED");
        throw e;
    }
    assertTrue(result != null);
    assertTrue("success".equals(result));
    System.out.println("passed");
}
 

/**
 * @param queryScope
 * @return
 * @throws BirtException 
 */
private Scriptable getScope( Scriptable queryScope ) throws BirtException
{
	Scriptable topScope = null;
	if ( queryScope != null )
		topScope = queryScope;
	else
		topScope = session.getSharedScope( );

	Scriptable executionScope = null;
	executionScope = ( (IDataScriptEngine) session.getEngineContext( )
			.getScriptContext( )
			.getScriptEngine( IDataScriptEngine.ENGINE_NAME ) ).getJSContext( session.getEngineContext( )
			.getScriptContext( ) )
			.newObject( topScope );
	executionScope.setParentScope( topScope );
	executionScope.setPrototype( session.getSharedScope( ) );
	
	return executionScope;
}
 

public static Object evaluateScript(VariableScope variableScope, String script, Map<Object, Object> beans) {
  Context context = Context.enter();
  try {
      Scriptable scope = context.initStandardObjects();
      SecureScriptScope secureScriptScope = new SecureScriptScope(variableScope, beans);
      scope.setPrototype(secureScriptScope);

      return context.evaluateString(scope, script, "<script>", 0, null);
  } finally {
      Context.exit();
  }
}
 

public void run() {
    Context context = factory.enterContext();
    try {
        // Run each script in its own scope, to keep global variables
        // defined in each script separate
        Scriptable threadScope = context.newObject(globalScope);
        threadScope.setPrototype(globalScope);
        threadScope.setParentScope(null);
        script.exec(context, threadScope);
    } catch (Exception ee) {
        ee.printStackTrace();
    } finally {
        Context.exit();
    }
}
 

public static Object evaluateScript(VariableScope variableScope, String script, Map<Object, Object> beans) {
    Context context = Context.enter();
    try {
        Scriptable scope = context.initStandardObjects();
        SecureScriptScope secureScriptScope = new SecureScriptScope(variableScope, beans);
        scope.setPrototype(secureScriptScope);

        return context.evaluateString(scope, script, "<script>", 0, null);
    } finally {
        Context.exit();
    }
}
 

public void run() {
    Context context = factory.enterContext();
    try {
        // Run each script in its own scope, to keep global variables
        // defined in each script separate
        Scriptable threadScope = context.newObject(globalScope);
        threadScope.setPrototype(globalScope);
        threadScope.setParentScope(null);
        script.exec(context, threadScope);
    } catch (Exception ee) {
        ee.printStackTrace();
    } finally {
        Context.exit();
    }
}
 

/**
 * Get result list
 * @param resultIt
 * @return List[] rowList, sumList, sglList, eglList
 * @throws DataException
 */
private List[] getQueryResult( IResultIterator resultIt ) throws Exception
{
	List rowList = new ArrayList( );
	List sumList = new ArrayList( );
	List sglList = new ArrayList( );
	List eglList = new ArrayList( );
	List subList = new ArrayList( );

	Scriptable subScope = new NativeObject( );
	subScope.setPrototype( jsScope );
	subScope.setParentScope( jsScope );

	while ( resultIt.next( ) )
	{
		rowList.add( resultIt.getValue( keyName1 ) );
		sumList.add( resultIt.getValue( aggrName1 ) );
		sglList.add( new Integer( resultIt.getStartingGroupLevel( ) ) );
		eglList.add( new Integer( resultIt.getEndingGroupLevel( ) ) );

		List subKeyRow1List = new ArrayList( );
		List subKeyRow2List = new ArrayList( );
		List subAggregaList = new ArrayList( );
		IResultIterator subIterator = resultIt.getSecondaryIterator( "IAMTEST",
				subScope );			
		while ( subIterator.next( ) )
		{
			subKeyRow1List.add( subIterator.getValue( keyName2 ) );
			subKeyRow2List.add( subIterator.getValue( keyName3 ) );
			subAggregaList.add( subIterator.getValue( aggrName2 ) );
		}
		subList.add( subKeyRow1List );
		subList.add( subKeyRow2List );
		subList.add( subAggregaList );
	}

	return new List[]{
			rowList, sumList, sglList, eglList, subList
	};
}
 

/**
 * Creates a subscope within parent scope
 * @param parentAndProtoScope parent scope. If null, the shared top-level scope is used as parent
 * @throws BirtException 
 */
private Scriptable newSubScope( Scriptable parentAndProtoScope ) throws BirtException
{
	if ( parentAndProtoScope == null )
		parentAndProtoScope = sharedScope;

	Scriptable scope = ((IDataScriptEngine)session.getEngineContext( ).getScriptContext( ).getScriptEngine( IDataScriptEngine.ENGINE_NAME )).getJSContext( session.getEngineContext( ).getScriptContext( ) )
			.newObject( parentAndProtoScope );
	scope.setParentScope( parentAndProtoScope );
	scope.setPrototype( parentAndProtoScope );

	
	return scope;
}