Examples with ELContextImpl org.apache.jasper.el.ELContextImpl used on opensource projects

Example 26 with ELContextImpl

use of org.apache.jasper.el.ELContextImpl in project tomcat by apache.

the class TestValueExpressionImpl method testBug49345.

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);
    ValueExpression var = factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);
    ValueExpression ve = factory.createValueExpression(context, "${beanA.bean.name}", String.class);
    // First check the basics work
    String result = (String) ve.getValue(context);
    Assert.assertEquals("Tomcat", result);
    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    Assert.assertNotNull(vr);
    Assert.assertEquals(beanB, vr.getBase());
    Assert.assertEquals("name", vr.getProperty());
}

Example 27 with ELContextImpl

use of org.apache.jasper.el.ELContextImpl in project tomcat by apache.

the class TestResourceBundleELResolver method bug53001.

@Test
public void bug53001() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    ResourceBundle rb = new TesterResourceBundle();
    ValueExpression var = factory.createValueExpression(rb, ResourceBundle.class);
    context.getVariableMapper().setVariable("rb", var);
    ValueExpression ve = factory.createValueExpression(context, "${rb.keys}", String.class);
    MethodExpression me = factory.createMethodExpression(context, "${rb.getKeys()}", Enumeration.class, null);
    // Ensure we are specification compliant
    String result1 = (String) ve.getValue(context);
    Assert.assertEquals("???keys???", result1);
    // Check that the method expression does return the keys
    Object result2 = me.invoke(context, null);
    Assert.assertTrue(result2 instanceof Enumeration);
    @SuppressWarnings("unchecked") Enumeration<String> e = (Enumeration<String>) result2;
    Assert.assertTrue(e.hasMoreElements());
    String element = e.nextElement();
    if ("key1".equals(element)) {
        Assert.assertEquals("key1", element);
        Assert.assertTrue(e.hasMoreElements());
        Assert.assertEquals("key2", e.nextElement());
        Assert.assertFalse(e.hasMoreElements());
    } else {
        Assert.assertEquals("key2", element);
        Assert.assertTrue(e.hasMoreElements());
        Assert.assertEquals("key1", e.nextElement());
        Assert.assertFalse(e.hasMoreElements());
    }
}

Example 28 with ELContextImpl

use of org.apache.jasper.el.ELContextImpl in project tomcat70 by apache.

the class JspApplicationContextImpl method createELContext.

public ELContextImpl createELContext(JspContext context) {
    if (context == null) {
        throw new IllegalArgumentException("JspContext was null");
    }
    // create ELContext for JspContext
    final ELResolver r = this.createELResolver();
    ELContextImpl ctx;
    if (Constants.IS_SECURITY_ENABLED) {
        ctx = AccessController.doPrivileged(new PrivilegedAction<ELContextImpl>() {

            @Override
            public ELContextImpl run() {
                return new ELContextImpl(r);
            }
        });
    } else {
        ctx = new ELContextImpl(r);
    }
    ctx.putContext(JspContext.class, context);
    // alert all ELContextListeners
    ELContextEvent event = new ELContextEvent(ctx);
    for (int i = 0; i < this.contextListeners.size(); i++) {
        this.contextListeners.get(i).contextCreated(event);
    }
    return ctx;
}

Example 29 with ELContextImpl

use of org.apache.jasper.el.ELContextImpl in project tomcat70 by apache.

the class PageContextImpl method proprietaryEvaluate.

/**
 * Proprietary method to evaluate EL expressions. XXX - This method should
 * go away once the EL interpreter moves out of JSTL and into its own
 * project. For now, this is necessary because the standard machinery is too
 * slow.
 *
 * @param expression
 *            The expression to be evaluated
 * @param expectedType
 *            The expected resulting type
 * @param pageContext
 *            The page context
 * @param functionMap
 *            Maps prefix and name to Method
 * @return The result of the evaluation
 */
public static Object proprietaryEvaluate(final String expression, final Class<?> expectedType, final PageContext pageContext, final ProtectedFunctionMapper functionMap, final boolean escape) throws ELException {
    final ExpressionFactory exprFactory = jspf.getJspApplicationContext(pageContext.getServletContext()).getExpressionFactory();
    ELContext ctx = pageContext.getELContext();
    ELContextImpl ctxImpl;
    if (ctx instanceof ELContextWrapper) {
        ctxImpl = (ELContextImpl) ((ELContextWrapper) ctx).getWrappedELContext();
    } else {
        ctxImpl = (ELContextImpl) ctx;
    }
    ctxImpl.setFunctionMapper(functionMap);
    ValueExpression ve = exprFactory.createValueExpression(ctx, expression, expectedType);
    return ve.getValue(ctx);
}

Example 30 with ELContextImpl

use of org.apache.jasper.el.ELContextImpl in project tomcat70 by apache.

the class TestValueExpressionImpl method testBug49345.

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();
    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);
    ValueExpression var = factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);
    ValueExpression ve = factory.createValueExpression(context, "${beanA.bean.name}", String.class);
    // First check the basics work
    String result = (String) ve.getValue(context);
    Assert.assertEquals("Tomcat", result);
    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    Assert.assertNotNull(vr);
    Assert.assertEquals(beanB, vr.getBase());
    Assert.assertEquals("name", vr.getProperty());
}