Package org.mvel2

Examples of org.mvel2.ParserConfiguration

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  //  org.mvel2.MVEL.executeExpression(org.mvel2.MVEL.compileExpression("System.out.println(foo);"), map, factory);
  //}

  public void testPackageImportEnum() {
    String str = "new Status( START )";
    ParserConfiguration pconf = new ParserConfiguration();
    pconf.addPackageImport("org.mvel2.tests.core.res");
    pconf.addPackageImport("org.mvel2.tests.core.res.Status");
    ParserContext context = new ParserContext(pconf);
    context.setStrongTyping(true);

    Serializable s = MVEL.compileExpression(str.trim(), context);
    assertEquals(new Status(Status.START), MVEL.executeExpression(s));
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  }

  public void testMinusOperatorWithoutSpace() {
    String str = "length == $c.length -1";

    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    Column col1 = new Column("x", 0);
    Column col2 = new Column("x", 0);
    Map<String, Object> vars = new HashMap<String, Object>();
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  }

  public void testMethodReturningPrimitiveTypeAnalysis() {
    String str = "value";

    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.addInput("this", MyObj.class);
    pctx.setStrongTyping(true);

    Class<?> returnType = MVEL.analyze(str, pctx);
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  }

  public void testStaticMethodsInvocationWithNullArg() {
    String str = "org.mvel2.tests.core.CoreConfidenceTests$MyObj.doSomething(null, \"abc\")";

    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);

    assertEquals(null + "abc", MVEL.executeExpression(MVEL.compileExpression(str, pctx)));
  }
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    parserContext.addInput("this", Foo.class);
    assertEquals(Boolean.class, MVEL.analyze("(String)bar.name ~= '[a-z].+'", parserContext));
  }

  public void testUnwantedImport() {
    ParserConfiguration conf = new ParserConfiguration();
    conf.addPackageImport("java.util");
    conf.addPackageImport("org.mvel2.tests.core.res");
    ParserContext pctx = new ParserContext( conf );
    MVEL.analysisCompile( "ScenarioType.Set.ADD", pctx );
    assertNull(conf.getImports().get("Set"));
  }
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    MVEL.analysisCompile( "ScenarioType.Set.ADD", pctx );
    assertNull(conf.getImports().get("Set"));
  }

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

  public void testUnaryNegativeWithSpace() {
    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); }};
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      return s.length();
    }
  }

  public void testStaticMethodInvocation() {
    ParserConfiguration conf = new ParserConfiguration();
    conf.addImport(ARef.class);
    conf.addImport(BRef.class);
    ParserContext pctx = new ParserContext( conf );
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("value", String.class);
    Map vars = new HashMap() {{ put("value", "1234"); }};
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    assertEquals(0, MVEL.executeExpression(MVEL.compileExpression("ARef.getSize(value)", pctx), vars));
    assertEquals(4, MVEL.executeExpression(MVEL.compileExpression("BRef.getSize(value)", pctx), vars));
  }

  public void testMultiplyIntByDouble() {
    ParserConfiguration conf = new ParserConfiguration();
    ParserContext pctx = new ParserContext( conf );
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("i", Integer.class);
    pctx.addInput("d", Double.class);
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    assertEquals(3.0, MVEL.executeExpression(MVEL.compileExpression("i*d", pctx), vars));
    assertEquals(3.0, MVEL.executeExpression(MVEL.compileExpression("i*0.3", pctx), vars));
  }

  public void testCharToStringCoercionForComparison() {
    ParserConfiguration conf = new ParserConfiguration();
    ParserContext pctx = new ParserContext( conf );
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("ch", Character.class);
    Map vars = new HashMap() {{ put("ch", 'a'); }};
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