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

Example 41 with ValueExpression

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

the class TestValueExpressionImpl method testBug51544Bean.

/*
     * Test returning an empty list as a bean property.
     */
@Test
public void testBug51544Bean() throws Exception {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    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);
    assertEquals(Integer.valueOf(0), result);
}

Example 42 with ValueExpression

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

the class TesterVariableMapperImpl method testSetVariable01.

@Test
public void testSetVariable01() {
    ExpressionFactory factory = ELManager.getExpressionFactory();
    ELContext context = new TesterELContext();
    ValueExpression ve1 = factory.createValueExpression(context, "${1}", int.class);
    ValueExpression ve2 = factory.createValueExpression(context, "${2}", int.class);
    ValueExpression ve3 = factory.createValueExpression(context, "${3}", int.class);
    VariableMapper mapper = new VariableMapperImpl();
    mapper.setVariable("var1", ve1);
    mapper.setVariable("var2", ve2);
    mapper.setVariable("var3", ve3);
    mapper.setVariable("var2", null);
    Assert.assertEquals(ve1, mapper.resolveVariable("var1"));
    Assert.assertNull(mapper.resolveVariable("var2"));
    Assert.assertEquals(ve3, mapper.resolveVariable("var3"));
}

Example 43 with ValueExpression

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

the class TestAstAssign method testGetType01.

@Test
public void testGetType01() {
    ELProcessor processor = new ELProcessor();
    ELContext context = processor.getELManager().getELContext();
    ExpressionFactory factory = ELManager.getExpressionFactory();
    processor.defineBean("bean01", new TesterBeanB());
    ValueExpression ve = factory.createValueExpression(context, "${bean01.text = 'hello'}", String.class);
    Assert.assertEquals(String.class, ve.getType(context));
    Assert.assertEquals("hello", ve.getValue(context));
}

Example 44 with ValueExpression

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

the class TestMethodExpressionImpl method testInvokeWithSuper.

@Test
public void testInvokeWithSuper() {
    MethodExpression me = factory.createMethodExpression(context, "${beanA.setBean(beanBB)}", null, new Class<?>[] { TesterBeanB.class });
    me.invoke(context, null);
    ValueExpression ve = factory.createValueExpression(context, "${beanA.bean.name}", String.class);
    Object r = ve.getValue(context);
    assertEquals("BB", r);
}

Example 45 with ValueExpression

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

the class TestMethodExpressionImpl method testBugPrimitives.

@Test
public void testBugPrimitives() throws Exception {
    MethodExpression me = factory.createMethodExpression(context, "${beanA.setValLong(5)}", null, null);
    me.invoke(context, null);
    ValueExpression ve = factory.createValueExpression(context, "#{beanA.valLong}", java.lang.String.class);
    assertEquals("5", ve.getValue(context));
}