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

Example 81 with ParserConfiguration

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

the class TypesAndInferenceTests method testOptionalOfGenerics.

public void testOptionalOfGenerics() {
    String str = "Optional.of(\"mystring\").orElse(\"anotherstring\")";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.addImport(Optional.class);
    Class resultType = analyze(str, pctx);
    assertEquals(java.util.Optional.class, resultType);
}

Example 82 with ParserConfiguration

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

the class TypesAndInferenceTests method testGetCorrectInputs.

public void testGetCorrectInputs() {
    String str = "total = total + $cheese.price";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.addInput("total", int.class);
    pctx.addInput("$cheese", Cheese.class);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    assertTrue("Should not contain" + pctx.getVariables(), pctx.getVariables().isEmpty());
}

Example 83 with ParserConfiguration

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

the class WithTests method testWithAndEnumInPackageImport.

public void testWithAndEnumInPackageImport() {
    ParserConfiguration pconf = new ParserConfiguration();
    pconf.addPackageImport(MyEnum.class.getPackage().getName());
    ParserContext pCtx = new ParserContext(pconf);
    pCtx.setStrongTyping(true);
    pCtx.addInput("thing", Thing.class);
    Thing thing = new Thing("xxx");
    Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("thing", thing);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression("with( thing ) { myEnum = MyEnum.FULL_DOCUMENTATION }", pCtx);
    MVEL.executeExpression(stmt, null, vars);
    assertEquals(MyEnum.FULL_DOCUMENTATION, thing.getMyEnum());
}

Example 84 with ParserConfiguration

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

the class TypesAndInferenceTests method testGenericMethods.

public void testGenericMethods() {
    String str = "Integer.parseInt( a.getMap().get(\"x\") )";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.addInput("a", AGenericTestClass.class);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    AGenericTestClass a = new AGenericTestClass();
    a.setMap(new HashMap<String, String>());
    a.getMap().put("x", "10");
    Map<String, Object> variables = new HashMap<String, Object>();
    variables.put("a", a);
    Number result = (Number) MVEL.executeExpression(stmt, null, variables);
    assertEquals(10, result.intValue());
}

Example 85 with ParserConfiguration

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

the class CoreConfidenceTests method testEmptyOperatorOnInteger.

public void testEmptyOperatorOnInteger() {
    ParserConfiguration conf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(conf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("nullInt", Integer.class);
    pctx.addInput("zero", Integer.class);
    pctx.addInput("nonZero", Integer.class);
    Map vars = new HashMap() {

        {
            put("nullInt", null);
            put("zero", 0);
            put("nonZero", 42);
        }
    };
    assertEquals(true, MVEL.executeExpression(MVEL.compileExpression("nullInt == empty", pctx), vars));
    assertEquals(true, MVEL.executeExpression(MVEL.compileExpression("zero == empty", pctx), vars));
    assertEquals(false, MVEL.executeExpression(MVEL.compileExpression("nonZero == empty", pctx), vars));
}