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

Example 31 with ParserConfiguration

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

the class CoreConfidenceTests method testNestedClassWithNestedGenericsOnNakedMethod.

public void testNestedClassWithNestedGenericsOnNakedMethod() {
    String str = "deliveries.size";
    MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.addInput("this", Triangle.class);
    pctx.setStrongTyping(true);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    assertEquals(Integer.valueOf(0), (Integer) MVEL.executeExpression(stmt, new Triangle(), new HashMap()));
    str = "deliveries.size == 0";
    stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    assertTrue((Boolean) MVEL.executeExpression(stmt, new Triangle(), new HashMap()));
    MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = false;
}

Example 32 with ParserConfiguration

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

the class CoreConfidenceTests method testUnaryNegative.

public void testUnaryNegative() {
    ParserConfiguration conf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(conf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("value", int.class);
    Map vars = new HashMap() {

        {
            put("value", 42);
        }
    };
    assertEquals(-42, MVEL.executeExpression(MVEL.compileExpression("-value", pctx), vars));
}

Example 33 with ParserConfiguration

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

the class CoreConfidenceTests method testBigDecimalOutput.

public void testBigDecimalOutput() {
    String str = "import java.math.BigDecimal; BigDecimal test = new BigDecimal(\"50000\"); System.out.println(test / new BigDecimal(\"1.13\"));";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.setStrictTypeEnforcement(true);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    MVEL.executeExpression(stmt, new HashMap());
}

Example 34 with ParserConfiguration

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

the class CoreConfidenceTests method testNestedEnumFromJar.

public void testNestedEnumFromJar() throws ClassNotFoundException, SecurityException, NoSuchFieldException {
    String expr = "EventRequest.Status.ACTIVE";
    // creating a classloader for the jar
    URL resource = getClass().getResource("/eventing-example.jar");
    assertNotNull(resource);
    URLClassLoader loader = new URLClassLoader(new URL[] { resource }, getClass().getClassLoader());
    // loading the class to prove it works
    Class<?> er = loader.loadClass("org.drools.examples.eventing.EventRequest");
    assertNotNull(er);
    assertEquals("org.drools.examples.eventing.EventRequest", er.getCanonicalName());
    // getting the value of the enum to prove it works:
    Class<?> st = er.getDeclaredClasses()[0];
    assertNotNull(st);
    Field active = st.getField("ACTIVE");
    assertNotNull(active);
    // now, trying with MVEL
    ParserConfiguration pconf = new ParserConfiguration();
    pconf.setClassLoader(loader);
    pconf.addImport(er);
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    Serializable compiled = MVEL.compileExpression(expr, pctx);
    Object result = MVEL.executeExpression(compiled);
    assertNotNull(result);
}

Example 35 with ParserConfiguration

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

the class CoreConfidenceTests method testMapAccessWithNestedPropertyAO.

public void testMapAccessWithNestedPropertyAO() {
    boolean allowCompilerOverride = MVEL.COMPILER_OPT_ALLOW_OVERRIDE_ALL_PROPHANDLING;
    MVEL.COMPILER_OPT_ALLOW_OVERRIDE_ALL_PROPHANDLING = true;
    try {
        String str = "map[key] == \"one\"";
        ParserConfiguration pconf = new ParserConfiguration();
        ParserContext pctx = new ParserContext(pconf);
        pctx.setStrongTyping(true);
        pctx.addInput("this", POJO.class);
        ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
        POJO ctx = new POJO();
        ctx.getMap().put("1", "one");
        Boolean result = (Boolean) MVEL.executeExpression(stmt, ctx);
        assertTrue(result);
        result = (Boolean) MVEL.executeExpression(stmt, ctx);
        assertTrue(result);
    } finally {
        MVEL.COMPILER_OPT_ALLOW_OVERRIDE_ALL_PROPHANDLING = allowCompilerOverride;
    }
}