Package org.apache.jasper.el

Examples of org.apache.jasper.el.ELContextImpl

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                        validateFunctions(el, n);

                        result = new Node.JspAttribute(tai, qName, uri,
                                localName, value, false, el, dynamic);

                        ELContextImpl ctx = new ELContextImpl();
                        ctx.setFunctionMapper(getFunctionMapper(el));

                        try {
                            result.validateEL(this.pageInfo
                                    .getExpressionFactory(), ctx);
                        } catch (ELException e) {
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        private void prepareExpression(ELNode.Nodes el, Node n, String expr)
                throws JasperException {
            validateFunctions(el, n);

            // test it out
            ELContextImpl ctx = new ELContextImpl();
            ctx.setFunctionMapper(this.getFunctionMapper(el));
            ExpressionFactory ef = this.pageInfo.getExpressionFactory();
            try {
                ef.createValueExpression(ctx, expr, Object.class);
            } catch (ELException e) {
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      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>() {
                        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);
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                                        validateFunctions(el, n);
                                        jspAttrs[i] = new Node.JspAttribute(tldAttr,
                                                attrs.getQName(i), attrs.getURI(i),
                                                attrs.getLocalName(i),
                                                attrs.getValue(i), false, el, false);
                                        ELContextImpl ctx = new ELContextImpl();
                                        ctx.setFunctionMapper(getFunctionMapper(el));
                                        try {
                                            jspAttrs[i].validateEL(this.pageInfo.getExpressionFactory(), ctx);
                                        } catch (ELException e) {
                                            this.err.jspError(n.getStart(),
                                                    "jsp.error.invalid.expression",
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                        validateFunctions(el, n);

                        result = new Node.JspAttribute(tai, qName, uri,
                                localName, value, false, el, dynamic);

                        ELContextImpl ctx = new ELContextImpl();
                        ctx.setFunctionMapper(getFunctionMapper(el));

                        try {
                            result.validateEL(this.pageInfo
                                    .getExpressionFactory(), ctx);
                        } catch (ELException e) {
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        private void prepareExpression(ELNode.Nodes el, Node n, String expr)
                throws JasperException {
            validateFunctions(el, n);

            // test it out
            ELContextImpl ctx = new ELContextImpl();
            ctx.setFunctionMapper(this.getFunctionMapper(el));
            ExpressionFactory ef = this.pageInfo.getExpressionFactory();
            try {
                ef.createValueExpression(ctx, expr, Object.class);
            } catch (ELException e) {
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public class TestValueExpressionImpl {

    @Test
    public void testGetValueReference() {
        ExpressionFactory factory = ExpressionFactory.newInstance();
        ELContext context = new ELContextImpl();
       
        TesterBeanB beanB = new TesterBeanB();
        beanB.setName("Tomcat");
        ValueExpression var =
            factory.createValueExpression(beanB, TesterBeanB.class);
        context.getVariableMapper().setVariable("beanB", var);

        ValueExpression ve = factory.createValueExpression(
                context, "${beanB.name}", String.class);

        // First check the basics work
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    }

    @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
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    }

    @Test
    public void testBug50105() {
        ExpressionFactory factory = ExpressionFactory.newInstance();
        ELContext context = new ELContextImpl();
       
        TesterEnum testEnum = TesterEnum.APPLE;
       
        ValueExpression var =
            factory.createValueExpression(testEnum, TesterEnum.class);
        context.getVariableMapper().setVariable("testEnum", var);

        // When coercing an Enum to a String, name() should always be used.
        ValueExpression ve1 = factory.createValueExpression(
                context, "${testEnum}", String.class);
        String result1 = (String) ve1.getValue(context);
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    }

    @Test
    public void testBug51177ObjectMap() {
        ExpressionFactory factory = ExpressionFactory.newInstance();
        ELContext context = new ELContextImpl();
       
        Object o1 = "String value";
        Object o2 = Integer.valueOf(32);

        Map<Object,Object> map = new HashMap<Object,Object>();
        map.put("key1", o1);
        map.put("key2", o2);
       
        ValueExpression var =
            factory.createValueExpression(map, Map.class);
        context.getVariableMapper().setVariable("map", var);

        ValueExpression ve1 = factory.createValueExpression(
                context, "${map.key1}", Object.class);
        ve1.setValue(context, o2);
        assertEquals(o2, ve1.getValue(context));
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Related Classes of org.apache.jasper.el.ELContextImpl

  • org.apache.el.parser.TestELParser
  • org.apache.el.TestELEvaluation
  • org.apache.el.TestMethodExpressionImpl
  • org.apache.el.TestValueExpressionImpl
  • org.apache.jasper.compiler.TestAttributeParser
  • org.apache.jasper.compiler.TestELParser
  • org.apache.jasper.compiler.Validator$ValidateVisitor
  • org.apache.jasper.runtime.JspApplicationContextImpl
  • org.apache.jasper.runtime.PageContextImpl
  • javax.el.StaticFieldELResolver
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