Examples with ExpressionFactory javax.el.ExpressionFactory used on opensource projects

Example 31 with ExpressionFactory

use of javax.el.ExpressionFactory in project rubia-forums by flashboss.

the class ACLWhenTagHandler method isAllowed.

/**
 * @param ctx
 *            the context to check
 * @return true is the passed context is allowed
 */
public boolean isAllowed(FaceletContext ctx) {
    boolean isAllowed = false;
    FacesContext facesContext = ctx.getFacesContext();
    ForumsACLProvider forumsACLProvider = (ForumsACLProvider) forumsACLProviderAttr.getObject(ctx);
    UserModule userModule = (UserModule) userModuleAttr.getObject(ctx);
    // make sure an authorization provider has been hooked in
    boolean skipAuth = false;
    try {
        if (forumsACLProvider == null) {
            // no authorization will be enforced
            skipAuth = true;
        }
    } catch (Exception e) {
        // something went wrong in the Authorization system
        skipAuth = true;
    }
    if (skipAuth) {
        isAllowed = true;
        return isAllowed;
    }
    // authorization
    try {
        String resource = fragment.getValue();
        String contextStr = null;
        if (contextData != null) {
            contextStr = contextData.getValue();
        }
        // resourcesetup
        Object[] runtime = null;
        if (contextStr != null && contextStr.trim().length() > 0) {
            StringTokenizer st = new StringTokenizer(contextStr, ",");
            runtime = new Object[st.countTokens()];
            int i = 0;
            while (st.hasMoreTokens()) {
                String parameter = st.nextToken();
                Object parameterValue = null;
                // evaluate this expression to a value
                ExpressionFactory f = ctx.getExpressionFactory();
                ValueExpression expr = f.createValueExpression(ctx, parameter, Object.class);
                parameterValue = expr.getValue(facesContext.getELContext());
                runtime[i++] = parameterValue;
            }
        }
        // check access here
        UIContext securityContext = new UIContext(getUser(userModule));
        securityContext.setFragment(resource);
        securityContext.setContextData(runtime);
        // feed this context to the Authorization system which will decide
        // whether
        // access should be granted or not
        isAllowed = forumsACLProvider.hasAccess(securityContext);
    } catch (NoSuchMethodException nsme) {
        throw new FacesException(nsme);
    } catch (Exception e) {
        throw new FacesException(e);
    }
    return isAllowed;
}

Example 32 with ExpressionFactory

use of javax.el.ExpressionFactory in project core by weld.

the class ELResolverTest method testResolveBeanPropertyOfNamedBean.

/**
 * Test that the WeldELResolver only works to resolve the base of an EL
 * expression, in this case a named bean. Once the base is resolved, the
 * remainder of the expression should be delegated to the standard chain of
 * property resolvers. If the WeldELResolver oversteps its bounds by
 * trying to resolve the property against the Weld namespace, the test
 * will fail.
 */
@Test
public void testResolveBeanPropertyOfNamedBean() {
    ELContext elContext = EL.createELContext(beanManager);
    ExpressionFactory exprFactory = EL.EXPRESSION_FACTORY;
    Object value = exprFactory.createValueExpression(elContext, "#{beer.style}", String.class).getValue(elContext);
    Assert.assertEquals("Belgium Strong Dark Ale", value);
}

Example 33 with ExpressionFactory

use of javax.el.ExpressionFactory in project core by weld.

the class ELResolverTest method testResolveNormalScopedBean.

// WELD-874
@Test
public void testResolveNormalScopedBean() {
    ELContext elContext = EL.createELContext(beanManager);
    ExpressionFactory exprFactory = EL.EXPRESSION_FACTORY;
    Lager value1 = (Lager) exprFactory.createValueExpression(elContext, "#{lager}", Lager.class).getValue(elContext);
    value1.drink();
    Lager value2 = (Lager) exprFactory.createValueExpression(elContext, "#{lager}", Lager.class).getValue(elContext);
    value2.drink();
    Lager value3 = (Lager) exprFactory.createValueExpression(elContext, "#{lager}", Lager.class).getValue(elContext);
    value3.drink();
    assertEquals(value1, value2);
    assertEquals(value2, value3);
}

Example 34 with ExpressionFactory

use of javax.el.ExpressionFactory in project vertx-zero by silentbalanceyh.

the class ValidatorInterpolator method buildExpressionFactory.

private static ExpressionFactory buildExpressionFactory() {
    if (canLoadExpressionFactory()) {
        final ExpressionFactory expressionFactory = ELManager.getExpressionFactory();
        LOGGER.debug("Loaded expression factory via original TCCL");
        return expressionFactory;
    } else {
        final ClassLoader originalContextClassLoader = (ClassLoader) run(GetClassLoader.fromContext());
        try {
            run(SetContextClassLoader.action(ResourceBundleMessageInterpolator.class.getClassLoader()));
            final ExpressionFactory expressionFactory;
            final ExpressionFactory var2;
            if (canLoadExpressionFactory()) {
                expressionFactory = ELManager.getExpressionFactory();
                LOGGER.debug("Loaded expression factory via HV classloader");
                var2 = expressionFactory;
                return var2;
            }
            run(SetContextClassLoader.action(ELManager.class.getClassLoader()));
            if (canLoadExpressionFactory()) {
                expressionFactory = ELManager.getExpressionFactory();
                LOGGER.debug("Loaded expression factory via EL classloader");
                var2 = expressionFactory;
                return var2;
            }
        } catch (final Throwable var6) {
            // throw LOG.getUnableToInitializeELExpressionFactoryException(var6);
            LOGGER.jvm(var6);
            throw var6;
        } finally {
            run(SetContextClassLoader.action(originalContextClassLoader));
        }
        throw new RuntimeException("[ ZERO ] Expression Factory error.");
    // throw LOG.getUnableToInitializeELExpressionFactoryException((Throwable) null);
    }
}

Example 35 with ExpressionFactory

use of javax.el.ExpressionFactory in project wildfly-camel by wildfly-extras.

the class ExpressionFactoryTest method testStatelessSessionBean.

@Test
public void testStatelessSessionBean() throws Exception {
    ClassLoader classLoader = getClass().getClassLoader();
    Thread.currentThread().setContextClassLoader(classLoader);
    ExpressionFactory factory = ExpressionFactory.newInstance();
    Assert.assertNotNull("Factory not null", factory);
}