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

Example 6 with ELContext

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

the class TestELParser method testJavaKeyWordSuffix.

@Test
public void testJavaKeyWordSuffix() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    TesterBeanA beanA = new TesterBeanA();
    beanA.setInt("five");
    ValueExpression var = factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);
    // Should fail
    Exception e = null;
    try {
        factory.createValueExpression(context, "${beanA.int}", String.class);
    } catch (ELException ele) {
        e = ele;
    }
    assertNotNull(e);
}

Example 7 with ELContext

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

the class TestValueExpressionImpl method testBug51544Direct.

/*
     * Test using list directly as variable.
     */
@Test
public void testBug51544Direct() throws Exception {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    List<?> list = Collections.emptyList();
    ValueExpression var = factory.createValueExpression(list, List.class);
    context.getVariableMapper().setVariable("list", var);
    ValueExpression ve = factory.createValueExpression(context, "${list.size()}", Integer.class);
    Integer result = (Integer) ve.getValue(context);
    assertEquals(Integer.valueOf(0), result);
}

Example 8 with ELContext

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

the class TestValueExpressionImpl method testBug50105.

@Test
public void testBug50105() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    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, "${testEnum}", String.class);
    String result1 = (String) ve1.getValue(context);
    assertEquals("APPLE", result1);
    ValueExpression ve2 = factory.createValueExpression(context, "foo${testEnum}bar", String.class);
    String result2 = (String) ve2.getValue(context);
    assertEquals("fooAPPLEbar", result2);
}

Example 9 with ELContext

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

the class TestValueExpressionImpl method testBug51177ObjectMap.

@Test
public void testBug51177ObjectMap() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    Object o1 = "String value";
    Object o2 = Integer.valueOf(32);
    Map<Object, Object> map = new HashMap<>();
    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, "${map.key1}", Object.class);
    ve1.setValue(context, o2);
    assertEquals(o2, ve1.getValue(context));
    ValueExpression ve2 = factory.createValueExpression(context, "${map.key2}", Object.class);
    ve2.setValue(context, o1);
    assertEquals(o1, ve2.getValue(context));
}

Example 10 with ELContext

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

the class TestValueExpressionImpl method testGetValueReference.

@Test
public void testGetValueReference() {
    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 check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);
    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}