Package org.apache.jasper.el

Examples of org.apache.jasper.el.ELContextImpl

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      try {
        retValue = AccessController
            .doPrivileged(new PrivilegedExceptionAction() {

              public Object run() throws Exception {
                                ELContextImpl ctx = (ELContextImpl) pageContext.getELContext();
                                ctx.setFunctionMapper(new FunctionMapperImpl(functionMap));
                ValueExpression ve = exprFactory.createValueExpression(ctx, expression, expectedType);
                                return ve.getValue(ctx);
              }
            });
      } catch (PrivilegedActionException ex) {
        Exception realEx = ex.getException();
        if (realEx instanceof ELException) {
          throw (ELException) realEx;
        } else {
          throw new ELException(realEx);
        }
      }
    } else {
            ELContextImpl ctx = (ELContextImpl) pageContext.getELContext();
            ctx.setFunctionMapper(new FunctionMapperImpl(functionMap));
            ValueExpression ve = exprFactory.createValueExpression(ctx, expression, expectedType);
            retValue = ve.getValue(ctx);
    }
    if (escape && retValue != null) {
      retValue = XmlEscape(retValue.toString());
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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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                        } else {
                            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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    }

    @Test
    public void testBug51177ObjectList() {
        ExpressionFactory factory = ExpressionFactory.newInstance();
        ELContext context = new ELContextImpl();

        Object o1 = "String value";
        Object o2 = Integer.valueOf(32);

        List<Object> list = new ArrayList<Object>();
        list.add(0, o1);
        list.add(1, o2);

        ValueExpression var =
            factory.createValueExpression(list, List.class);
        context.getVariableMapper().setVariable("list", var);

        ValueExpression ve1 = factory.createValueExpression(
                context, "${list[0]}", Object.class);
        ve1.setValue(context, o2);
        assertEquals(o2, ve1.getValue(context));
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     * Test returning an empty list as a bean property.
     */
    @Test
    public void testBug51544Bean() throws Exception {
        ExpressionFactory factory = ExpressionFactory.newInstance();
        ELContext context = new ELContextImpl();

        TesterBeanA beanA = new TesterBeanA();
        beanA.setValList(Collections.emptyList());

        ValueExpression var =
            factory.createValueExpression(beanA, TesterBeanA.class);
        context.getVariableMapper().setVariable("beanA", var);

        ValueExpression ve = factory.createValueExpression(
                context, "${beanA.valList.size()}", Integer.class);

        Integer result = (Integer) ve.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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