Examples with ParserConfiguration org.mvel2.ParserConfiguration used on opensource projects

Example 56 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class PrimitiveTypesTest method testFloatPrimitive.

public void testFloatPrimitive() {
    ParserConfiguration conf = new ParserConfiguration();
    conf.addImport(FactWithFloat.class);
    ParserContext pctx = new ParserContext(conf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("this", FactWithFloat.class);
    boolean result = (Boolean) MVEL.executeExpression(MVEL.compileExpression("floatValue == 15.1", pctx), new FactWithFloat(15.1f));
    assertTrue(result);
}

Example 57 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class AsmOptimizerOsgiTest method testCollectionAccessWithInvalidThreadClassLoader.

public void testCollectionAccessWithInvalidThreadClassLoader() {
    String expression = "['A', 'B', 'C'] contains 'B'";
    ParserConfiguration parserConfiguration = new ParserConfiguration();
    parserConfiguration.setClassLoader(MVEL.class.getClassLoader());
    Serializable compiledExpression = MVEL.compileExpression(expression, new ParserContext(parserConfiguration));
    ClassLoader currentCl = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(NO_MVEL_CL);
        for (int i = 0; i <= DynamicOptimizer.tenuringThreshold; i++) {
            Object result = MVEL.executeExpression(compiledExpression);
            assertEquals(Boolean.TRUE, result);
        }
    } finally {
        Thread.currentThread().setContextClassLoader(currentCl);
    }
}

Example 58 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class ArraysTests method testMultiDimensionalArrayType.

public void testMultiDimensionalArrayType() {
    String str = "$c.cheeses[0][0] = new Cheese('brie', 15)";
    ParserConfiguration pconf = new ParserConfiguration();
    pconf.addImport(Cheese.class);
    ParserContext pctx = new ParserContext(pconf);
    pctx.addInput("$c", Column.class);
    pctx.setStrongTyping(true);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    Map<String, Object> vars = new HashMap<String, Object>();
    Column c = new Column("x", 1);
    c.setCheeses(new Cheese[5][5]);
    vars.put("$c", c);
    MVEL.executeExpression(stmt, null, vars);
    assertEquals(new Cheese("brie", 15), c.getCheeses()[0][0]);
}

Example 59 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project drools by kiegroup.

the class PatternBuilder method setInputs.

protected void setInputs(RuleBuildContext context, ExprBindings descrBranch, Class<?> thisClass, String expr) {
    MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData("mvel");
    ParserConfiguration conf = data.getParserConfiguration();
    conf.setClassLoader(context.getKnowledgeBuilder().getRootClassLoader());
    final ParserContext pctx = new ParserContext(conf);
    pctx.setStrictTypeEnforcement(false);
    pctx.setStrongTyping(false);
    pctx.addInput("this", thisClass);
    // overrides the mvel empty label
    pctx.addInput("empty", boolean.class);
    MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
    MVEL.COMPILER_OPT_ALLOW_OVERRIDE_ALL_PROPHANDLING = true;
    MVEL.COMPILER_OPT_ALLOW_RESOLVE_INNERCLASSES_WITH_DOTNOTATION = true;
    MVEL.COMPILER_OPT_SUPPORT_JAVA_STYLE_CLASS_LITERALS = true;
    try {
        MVEL.analysisCompile(expr, pctx);
    } catch (Exception e) {
        // reported during expression analysis, so swallow it at the moment
        return;
    }
    if (!pctx.getInputs().isEmpty()) {
        for (String v : pctx.getInputs().keySet()) {
            // to an "empty" property, or the if will evaluate to true even if it doesn't
            if ("this".equals(v) || (PropertyTools.getFieldOrAccessor(thisClass, v) != null && expr.matches("(^|.*\\W)empty($|\\W.*)"))) {
                descrBranch.getFieldAccessors().add(v);
            } else if ("empty".equals(v)) {
            // do nothing
            } else if (!context.getPkg().getGlobals().containsKey(v)) {
                descrBranch.getRuleBindings().add(v);
            } else {
                descrBranch.getGlobalBindings().add(v);
            }
        }
    }
}

Example 60 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project drools by kiegroup.

the class MVELBeanCreator method createBean.

@Override
public <T> T createBean(ClassLoader cl, String type, QualifierModel qualifier) throws Exception {
    if (qualifier != null) {
        throw new IllegalArgumentException("Cannot use a qualifier without a CDI container");
    }
    ParserConfiguration config = new ParserConfiguration();
    config.setClassLoader(cl);
    ParserContext ctx = new ParserContext(config);
    if (parameters != null) {
        for (Map.Entry<String, Object> entry : parameters.entrySet()) {
            ctx.addVariable(entry.getKey(), entry.getValue().getClass());
        }
    }
    Object compiledExpression = MVEL.compileExpression(type, ctx);
    return (T) MVELSafeHelper.getEvaluator().executeExpression(compiledExpression, parameters);
}