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

Example 16 with ELContext

use of javax.el.ELContext in project tomcat by apache.

the class TestAstConcatenation method testGetType.

@Test
public void testGetType() {
    ELProcessor processor = new ELProcessor();
    ELContext context = processor.getELManager().getELContext();
    ExpressionFactory factory = ELManager.getExpressionFactory();
    ValueExpression ve = factory.createValueExpression(context, "${'a' += 3}", String.class);
    Assert.assertEquals(String.class, ve.getType(context));
    Assert.assertEquals("a3", ve.getValue(context));
}

Example 17 with ELContext

use of javax.el.ELContext in project tomee by apache.

the class StatefulConversationScopedTOMEE1138Test method el.

@Test
public void el() {
    final BeanELResolver elResolver = new BeanELResolver();
    assertEquals("John", elResolver.getValue(new ELContext() {

        @Override
        public ELResolver getELResolver() {
            return elResolver;
        }

        @Override
        public FunctionMapper getFunctionMapper() {
            return new FunctionMapper() {

                @Override
                public Method resolveFunction(final String prefix, final String localName) {
                    return null;
                }
            };
        }

        @Override
        public VariableMapper getVariableMapper() {
            return new VariableMapper() {

                @Override
                public ValueExpression resolveVariable(final String variable) {
                    return null;
                }

                @Override
                public ValueExpression setVariable(final String variable, final ValueExpression expression) {
                    return null;
                }
            };
        }
    }, conversationByName, "name"));
}

Example 18 with ELContext

use of javax.el.ELContext in project tomcat by apache.

the class TestValueExpressionImpl method testGetValueReferenceVariable.

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var = factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);
    ValueExpression var2 = factory.createValueExpression(context, "${beanB.name}", String.class);
    context.getVariableMapper().setVariable("foo", var2);
    ValueExpression ve = factory.createValueExpression(context, "${foo}", ValueExpression.class);
    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);
    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

Example 19 with ELContext

use of javax.el.ELContext in project tomcat by apache.

the class TestValueExpressionImpl method testBug51177ObjectList.

@Test
public void testBug51177ObjectList() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    Object o1 = "String value";
    Object o2 = Integer.valueOf(32);
    List<Object> list = new ArrayList<>();
    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, "${list[0]}", Object.class);
    ve1.setValue(context, o2);
    assertEquals(o2, ve1.getValue(context));
    ValueExpression ve2 = factory.createValueExpression(context, "${list[1]}", Object.class);
    ve2.setValue(context, o1);
    assertEquals(o1, ve2.getValue(context));
}

Example 20 with ELContext

use of javax.el.ELContext in project tomcat by apache.

the class TestValueExpressionImpl method testBug56522SetNullValue.

@Test
public void testBug56522SetNullValue() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    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
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);
    // Now set the value to null
    ve.setValue(context, null);
    assertEquals("", beanB.getName());
}