Examples with ExpressionCompiler org.mvel2.compiler.ExpressionCompiler used on opensource projects

Example 36 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class GenericsTypeInferenceTest method testInferLastTypeParametersFromMethod.

public final void testInferLastTypeParametersFromMethod() {
    ParserContext context = new ParserContext();
    context.setStrongTyping(true);
    context.addInput("a", A.class);
    final CompiledExpression compiledExpression = new ExpressionCompiler("a.values()").compile(context);
    final Object val = MVEL.executeExpression(compiledExpression, new AWrapper());
    assertTrue("Expression did not evaluate correctly: " + val, STRINGS.equals(val));
    assertTrue("No type parameters detected", null != context.getLastTypeParameters());
    assertTrue("Wrong parametric type inferred", String.class.equals(context.getLastTypeParameters()[0]));
}

Example 37 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class GenericsTypeInferenceTest method testInferLastTypeParametersFromPropertyMethod.

public final void testInferLastTypeParametersFromPropertyMethod() {
    ParserContext context = new ParserContext();
    context.setStrongTyping(true);
    context.addInput("a", A.class);
    final CompiledExpression compiledExpression = new ExpressionCompiler("a.getFooMap()[\"key\"].someMethod()").compile(context);
    final Object val = MVEL.executeExpression(compiledExpression, new AWrapper());
    assertEquals("Expression did not evaluate correctly: ", "bar", val);
    assertNotNull("No type parameters detected", context.getLastTypeParameters());
    assertEquals("Wrong parametric type inferred", String.class, context.getLastTypeParameters()[0]);
}

Example 38 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class GenericsTypeInferenceTest method testInferLastTypeParametersFromProperty.

public final void testInferLastTypeParametersFromProperty() {
    ParserContext context = new ParserContext();
    context.setStrongTyping(true);
    context.addInput("a", A.class);
    final CompiledExpression compiledExpression = new ExpressionCompiler("a.strings").compile(context);
    final Object val = MVEL.executeExpression(compiledExpression, new AWrapper());
    assertTrue("Expression did not evaluate correctly: " + val, STRINGS.equals(val));
    assertTrue("No type parameters detected", null != context.getLastTypeParameters());
    assertTrue("Wrong parametric type inferred", String.class.equals(context.getLastTypeParameters()[0]));
}

Example 39 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class CoreConfidenceTests method testMapsWithVariableAsKey.

public void testMapsWithVariableAsKey() {
    String ex = "aMap[aKey] == 'aValue'";
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(false);
    ExpressionCompiler compiler = new ExpressionCompiler(ex);
    compiler.setVerifyOnly(true);
    compiler.compile(ctx);
    Set<String> requiredInputs = compiler.getParserContextState().getInputs().keySet();
    assertTrue(requiredInputs.contains("aMap"));
    assertTrue(requiredInputs.contains("aKey"));
}

Example 40 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class CoreConfidenceTests method testDynamicImportsOnNestedExpressions.

public void testDynamicImportsOnNestedExpressions() {
    ParserContext ctx = new ParserContext();
    ctx.addPackageImport("org.mvel2.tests.core.res");
    ExpressionCompiler compiler = new ExpressionCompiler("new Cheesery(\"bobbo\", new Cheese(\"cheddar\", 15))");
    Cheesery p1 = new Cheesery("bobbo", new Cheese("cheddar", 15));
    Cheesery p2 = (Cheesery) executeExpression(compiler.compile(ctx), new DefaultLocalVariableResolverFactory());
    assertEquals(p1, p2);
}