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

Example 11 with ValueExpression

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

the class TestMethodExpressionImpl method testBug53792a.

@Test
public void testBug53792a() {
    MethodExpression me = factory.createMethodExpression(context, "${beanA.setBean(beanB)}", null, new Class<?>[] { TesterBeanB.class });
    me.invoke(context, null);
    me = factory.createMethodExpression(context, "${beanB.setName('" + BUG53792 + "')}", null, new Class<?>[] { TesterBeanB.class });
    me.invoke(context, null);
    ValueExpression ve = factory.createValueExpression(context, "#{beanA.getBean().name}", java.lang.String.class);
    String actual = (String) ve.getValue(context);
    assertEquals(BUG53792, actual);
}

Example 12 with ValueExpression

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

the class ExpressionEvaluatorImpl method parseExpression.

@Override
public Expression parseExpression(String expression, @SuppressWarnings("rawtypes") Class expectedType, FunctionMapper fMapper) throws ELException {
    try {
        ELContextImpl ctx = new ELContextImpl(ELContextImpl.getDefaultResolver(factory));
        if (fMapper != null) {
            ctx.setFunctionMapper(new FunctionMapperImpl(fMapper));
        }
        ValueExpression ve = this.factory.createValueExpression(ctx, expression, expectedType);
        return new ExpressionImpl(ve, factory);
    } catch (javax.el.ELException e) {
        throw new ELParseException(e.getMessage());
    }
}

Example 13 with ValueExpression

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

the class TestELParser method doTestBug56179.

private void doTestBug56179(int parenthesesCount, String innerExpr) {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    ValueExpression var = factory.createValueExpression(Boolean.TRUE, Boolean.class);
    context.getVariableMapper().setVariable("test", var);
    StringBuilder expr = new StringBuilder();
    expr.append("${");
    for (int i = 0; i < parenthesesCount; i++) {
        expr.append("(");
    }
    expr.append(innerExpr);
    for (int i = 0; i < parenthesesCount; i++) {
        expr.append(")");
    }
    expr.append("}");
    ValueExpression ve = factory.createValueExpression(context, expr.toString(), String.class);
    String result = (String) ve.getValue(context);
    assertEquals("true", result);
}

Example 14 with ValueExpression

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

the class TestELParser method bug56185.

@Test
public void bug56185() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    TesterBeanC beanC = new TesterBeanC();
    ValueExpression var = factory.createValueExpression(beanC, TesterBeanC.class);
    context.getVariableMapper().setVariable("myBean", var);
    ValueExpression ve = factory.createValueExpression(context, "${(myBean.int1 > 1 and myBean.myBool) or " + "((myBean.myBool or myBean.myBool1) and myBean.int1 > 1)}", Boolean.class);
    assertEquals(Boolean.FALSE, ve.getValue(context));
    beanC.setInt1(2);
    beanC.setMyBool1(true);
    assertEquals(Boolean.TRUE, ve.getValue(context));
}

Example 15 with ValueExpression

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

the class TestELParser method testExpression.

private void testExpression(String expression, String expected) {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl(factory);
    ValueExpression ve = factory.createValueExpression(context, expression, String.class);
    String result = (String) ve.getValue(context);
    assertEquals(expected, result);
}