Examples with ParserContext org.mule.mvel2.ParserContext used on opensource projects

Example 61 with ParserContext

use of org.mule.mvel2.ParserContext in project mvel by mvel.

the class CoreConfidenceTests method testArray.

public void testArray() {
    String ex = " TestHelper.method(1, new String[]{\"a\", \"b\"});\n" + " TestHelper.method(2, new String[]{new String(\"a\"), new String(\"b\")});\n" + " TestHelper.method(3, new Fooz[]{new Fooz(\"a\"), new Fooz(\"b\")});";
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addImport(TestHelper.class);
    ctx.addImport(Fooz.class);
    ExpressionCompiler compiler = new ExpressionCompiler(ex, ctx);
    OptimizerFactory.setDefaultOptimizer("ASM");
    CompiledExpression expr = compiler.compile();
    executeExpression(expr);
    OptimizerFactory.setDefaultOptimizer("reflective");
    expr = compiler.compile();
    executeExpression(expr);
}

Example 62 with ParserContext

use of org.mule.mvel2.ParserContext 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 63 with ParserContext

use of org.mule.mvel2.ParserContext in project mvel by mvel.

the class CoreConfidenceTests method testCompileParserContextShouldNotLoopIndefinitelyOnValidJavaExpression.

/**
 * Provided by: Phillipe Ombredanne
 */
public void testCompileParserContextShouldNotLoopIndefinitelyOnValidJavaExpression() {
    String expr = // 
    "		System.out.println( message );\n" + // 
    "m.setMessage( \"Goodbye cruel world\" );\n" + // 
    "System.out.println(m.getStatus());\n" + "m.setStatus( Message.GOODBYE );\n";
    ParserContext context = new ParserContext();
    context.setStrictTypeEnforcement(false);
    context.addImport("Message", Message.class);
    context.addInput("System", void.class);
    context.addInput("message", Object.class);
    context.addInput("m", Object.class);
    ExpressionCompiler compiler = new ExpressionCompiler(expr, context);
    compiler.compile();
}

Example 64 with ParserContext

use of org.mule.mvel2.ParserContext in project mvel by mvel.

the class CoreConfidenceTests method testMapsAndLists.

public void testMapsAndLists() {
    OptimizerFactory.setDefaultOptimizer("ASM");
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addImport(HashMap.class);
    ctx.addImport(ArrayList.class);
    ctx.addInput("list", List.class);
    String expression = "m = new HashMap();\n" + "l = new ArrayList();\n" + "l.add(\"first\");\n" + "m.put(\"content\", l);\n" + "list.add(((ArrayList)m[\"content\"])[0]);";
    Serializable s = compileExpression(expression, ctx);
    Map vars = new HashMap();
    List list = new ArrayList();
    vars.put("list", list);
    Boolean result = (Boolean) executeExpression(s, vars);
    assertNotNull(result);
    assertTrue(result);
    assertEquals(1, list.size());
    assertEquals("first", list.get(0));
}

Example 65 with ParserContext

use of org.mule.mvel2.ParserContext in project mvel by mvel.

the class CoreConfidenceTests method testWhileUsingImports.

public void testWhileUsingImports() {
    Map<String, Object> imports = new HashMap<String, Object>();
    imports.put("ArrayList", java.util.ArrayList.class);
    imports.put("List", java.util.List.class);
    ParserContext context = new ParserContext(imports, null, "testfile");
    ExpressionCompiler compiler = new ExpressionCompiler("List list = new ArrayList(); return (list == empty)", context);
    assertTrue((Boolean) executeExpression(compiler.compile(), new DefaultLocalVariableResolverFactory()));
}