List of toStringAST() Examples

Examples of toStringAST()

org.springframework.expression.spel.standard.SpelExpression.toStringAST()
Produce a string representation of the Abstract Syntax Tree for the expression, this should ideally look like the input expression, but properly formatted since any unnecessary whitespace will have been discarded during the parse of the expression. @return the string representation of the AST

Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

    evaluate("'ab' + null", "abnull", String.class);
    evaluate("null + 'ab'", "nullab", String.class);


    // AST:
    SpelExpression expr = (SpelExpression)parser.parseExpression("+3");
    assertEquals("+3",expr.toStringAST());
    expr = (SpelExpression)parser.parseExpression("2+3");
    assertEquals("(2 + 3)",expr.toStringAST());


    // use as a unary operator
    evaluate("+5d",5d,Double.class);

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()


    // AST:
    SpelExpression expr = (SpelExpression)parser.parseExpression("+3");
    assertEquals("+3",expr.toStringAST());
    expr = (SpelExpression)parser.parseExpression("2+3");
    assertEquals("(2 + 3)",expr.toStringAST());


    // use as a unary operator
    evaluate("+5d",5d,Double.class);
    evaluate("+5L",5L,Long.class);
    evaluate("+5",5,Integer.class);

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

    evaluate("'c' - 2", "a", String.class);
    evaluate("3.0f - 5.0f", -2.0f, Float.class);
    evaluateAndCheckError("'ab' - 2", SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES);
    evaluateAndCheckError("2-'ab'", SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES);
    SpelExpression expr = (SpelExpression)parser.parseExpression("-3");
    assertEquals("-3", expr.toStringAST());
    expr = (SpelExpression)parser.parseExpression("2-3");
    assertEquals("(2 - 3)", expr.toStringAST());


    evaluate("-5d",-5d,Double.class);
    evaluate("-5L",-5L,Long.class);

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

    evaluateAndCheckError("'ab' - 2", SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES);
    evaluateAndCheckError("2-'ab'", SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES);
    SpelExpression expr = (SpelExpression)parser.parseExpression("-3");
    assertEquals("-3", expr.toStringAST());
    expr = (SpelExpression)parser.parseExpression("2-3");
    assertEquals("(2 - 3)", expr.toStringAST());


    evaluate("-5d",-5d,Double.class);
    evaluate("-5L",-5L,Long.class);
    evaluate("-5", -5, Integer.class);
    evaluate("-new java.math.BigDecimal('5')", new BigDecimal("-5"),BigDecimal.class);

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()


    // not writable
    assertFalse(expr.isWritable(new StandardEvaluationContext()));


    // ast
    assertEquals("new String('wibble')", expr.toStringAST());
  }


  // unary expressions
  @Test
  public void testUnaryMinus01() {

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()


  @Test
  public void testTypeReferencesAndQualifiedIdentifierCaching() throws Exception {
    SpelExpression expr = (SpelExpression) parser.parseExpression("T(java.lang.String)");
    assertFalse(expr.isWritable(new StandardEvaluationContext()));
    assertEquals("T(java.lang.String)", expr.toStringAST());
    assertEquals(String.class, expr.getValue(Class.class));
    // use cached QualifiedIdentifier:
    assertEquals("T(java.lang.String)", expr.toStringAST());
    assertEquals(String.class, expr.getValue(Class.class));
  }

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

    SpelExpression expr = (SpelExpression) parser.parseExpression("T(java.lang.String)");
    assertFalse(expr.isWritable(new StandardEvaluationContext()));
    assertEquals("T(java.lang.String)", expr.toStringAST());
    assertEquals(String.class, expr.getValue(Class.class));
    // use cached QualifiedIdentifier:
    assertEquals("T(java.lang.String)", expr.toStringAST());
    assertEquals(String.class, expr.getValue(Class.class));
  }
  
  @Test
  public void operatorVariants() throws Exception {

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

  }


  @Test
  public void testProjection06() throws Exception {
    SpelExpression expr = (SpelExpression) parser.parseExpression("'abc'.![true]");
    assertEquals("'abc'.![true]", expr.toStringAST());
  }


  // SELECTION


  @Test

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

  }


  @Test
  public void testSelectionAST() throws Exception {
    SpelExpression expr = (SpelExpression) parser.parseExpression("'abc'.^[true]");
    assertEquals("'abc'.^[true]", expr.toStringAST());
    expr = (SpelExpression) parser.parseExpression("'abc'.?[true]");
    assertEquals("'abc'.?[true]", expr.toStringAST());
    expr = (SpelExpression) parser.parseExpression("'abc'.$[true]");
    assertEquals("'abc'.$[true]", expr.toStringAST());
  }

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Examples of org.springframework.expression.spel.standard.SpelExpression.toStringAST()

  @Test
  public void testSelectionAST() throws Exception {
    SpelExpression expr = (SpelExpression) parser.parseExpression("'abc'.^[true]");
    assertEquals("'abc'.^[true]", expr.toStringAST());
    expr = (SpelExpression) parser.parseExpression("'abc'.?[true]");
    assertEquals("'abc'.?[true]", expr.toStringAST());
    expr = (SpelExpression) parser.parseExpression("'abc'.$[true]");
    assertEquals("'abc'.$[true]", expr.toStringAST());
  }


  // Constructor invocation

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