Examples of javax.el.CompositeELResolver

javax.el.CompositeELResolver
Maintains an ordered composite list of child ELResolvers. Though only a single ELResolver is associated with an ELContext, there are usually multiple resolvers considered for any given variable or property resolution. ELResolvers are combined together using a CompositeELResolver, to define rich semantics for evaluating an expression. For the {@link #getValue(ELContext,Object,Object)}, {@link #getType(ELContext,Object,Object)}, {@link #setValue(ELContext,Object,Object,Object)} and{@link #isReadOnly(ELContext,Object,Object)} methods, an ELResolver is not responsible forresolving all possible (base, property) pairs. In fact, most resolvers will only handle a base of a single type. To indicate that a resolver has successfully resolved a particular (base, property) pair, it must set the propertyResolved property of the ELContext to true. If it could not handle the given pair, it must leave this property alone. The caller must ignore the return value of the method if propertyResolved is false. The CompositeELResolver initializes the ELContext.propertyResolved flag to false, and uses it as a stop condition for iterating through its component resolvers. The ELContext.propertyResolved flag is not used for the design-time methods {@link #getFeatureDescriptors(ELContext,Object)} and{@link #getCommonPropertyType(ELContext,Object)}. Instead, results are collected and combined from all child ELResolvers for these methods.

        });
    }
    
    private static ELContext createELContext(VariableResolver resolver, FunctionMapper functionMapper)
    {
        CompositeELResolver composite = new CompositeELResolver();
        composite.add(EL.EL_RESOLVER);
        composite.add( new JbpmELResolver(resolver) );
        return EL.createELContext(composite, decorateFunctionMapper(functionMapper));
    }

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   private javax.el.CompositeELResolver additionalResolvers;
   private Collection locales;
   
   public MockApplication()
   {
     elResolver = new CompositeELResolver();
     additionalResolvers = new CompositeELResolver();
     elResolver.add(additionalResolvers);
     elResolver.add(EL.EL_RESOLVER); 
   }

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    private ELAttributeEvaluator createELEvaluator(ApplicationContext applicationContext) {
        ELAttributeEvaluator evaluator = new ELAttributeEvaluator();
        JspExpressionFactoryFactory efFactory = new JspExpressionFactoryFactory();
        efFactory.setApplicationContext(applicationContext);
        evaluator.setExpressionFactory(efFactory.getExpressionFactory());
        ELResolver elResolver = new CompositeELResolver() {
            {
                BeanELResolver beanElResolver = new BeanELResolver(false);
                add(new ScopeELResolver());
                add(new TilesContextELResolver(beanElResolver));
                add(new TilesContextBeanELResolver());

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        EasyMock.expect(request.getApplicationContext()).andReturn(
                applicationContext).anyTimes();
        EasyMock.replay(request, applicationContext);


        evaluator.setExpressionFactory(new ExpressionFactoryImpl());
        ELResolver elResolver = new CompositeELResolver() {
            {
                BeanELResolver beanElResolver = new BeanELResolver(false);
                add(new ScopeELResolver());
                add(new TilesContextELResolver(beanElResolver));
                add(new TilesContextBeanELResolver());

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    private ELResolver createFacesResolver()
    {
        boolean supportJSPAndFacesEL = MyfacesConfig.getCurrentInstance(
                                getFaceContext().getExternalContext()).isSupportJSPAndFacesEL();
        CompositeELResolver resolver;
        if (supportJSPAndFacesEL)
        {
            resolver = new FacesCompositeELResolver(Scope.Faces);
        }
        else
        {
            resolver = new CompositeELResolver();
        }
        getResolverBuilderForFaces().build(resolver);
        return resolver;
    }

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    /**
     * Factory method to create the EL context
     */
    protected ELContext createContext() {
        ELResolver resolver = new CompositeELResolver() {
            {
                //add(methodResolver);
                add(new ArrayELResolver(false));
                add(new ListELResolver(false));
                add(new MapELResolver(false));

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   public static final ExpressionFactory EXPRESSION_FACTORY = new ExpressionFactoryImpl();
   
   private static ELResolver createELResolver()
   {
      CompositeELResolver resolver = new CompositeELResolver();
      resolver.add( new SeamELResolver() );
      resolver.add( new MapELResolver() );
      resolver.add( new ListELResolver() );
      resolver.add( new ArrayELResolver() );
      resolver.add( new ResourceBundleELResolver() );
      resolver.add( new BeanELResolver() );
      return resolver;
   }

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        testConstants = ProctorUtils.convertToValueExpressionMap(expressionFactory, testConstantsMap);
    }


    @Nonnull
    private static CompositeELResolver constructStandardElResolver() {
        final CompositeELResolver elResolver = new CompositeELResolver();
        elResolver.add(new ArrayELResolver());
        elResolver.add(new ListELResolver());
        elResolver.add(new BeanELResolver());
        elResolver.add(new MapELResolver());
        return elResolver;
    }

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    /**
     * Factory method to create the EL context
     */
    protected ELContext createContext() {
        ELResolver resolver = new CompositeELResolver() {
            {
                add(new ArrayELResolver(false));
                add(new ListELResolver(false));
                add(new MapELResolver(false));
                add(new ResourceBundleELResolver());

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        defaultValidatorIds = new LinkedHashSet<String>();
        behaviorMap = new ConcurrentHashMap<String, Object>();
        elContextListeners = new CopyOnWriteArrayList<ELContextListener>();
        propertyResolver = new PropertyResolverImpl();
        variableResolver = new VariableResolverImpl();
        elResolvers = new CompositeELResolver();


        FacesContext ctx = FacesContext.getCurrentInstance();
        WebConfiguration webConfig = WebConfiguration.getInstance(ctx.getExternalContext());
        passDefaultTimeZone = webConfig.isOptionEnabled(DateTimeConverterUsesSystemTimezone);
        registerPropertyEditors = webConfig.isOptionEnabled(RegisterConverterPropertyEditors);

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