org.springframework.expression.spel.SpelUtilities Java Examples
The following examples show how to use
org.springframework.expression.spel.SpelUtilities.
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Example #1
Source File: ReflectionHelperTests.java From spring-analysis-note with MIT License | 5 votes |
@Test public void testUtilities() throws ParseException { SpelExpression expr = (SpelExpression)parser.parseExpression("3+4+5+6+7-2"); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PrintStream ps = new PrintStream(baos); SpelUtilities.printAbstractSyntaxTree(ps, expr); ps.flush(); String s = baos.toString(); // ===> Expression '3+4+5+6+7-2' - AST start // OperatorMinus value:(((((3 + 4) + 5) + 6) + 7) - 2) #children:2 // OperatorPlus value:((((3 + 4) + 5) + 6) + 7) #children:2 // OperatorPlus value:(((3 + 4) + 5) + 6) #children:2 // OperatorPlus value:((3 + 4) + 5) #children:2 // OperatorPlus value:(3 + 4) #children:2 // CompoundExpression value:3 // IntLiteral value:3 // CompoundExpression value:4 // IntLiteral value:4 // CompoundExpression value:5 // IntLiteral value:5 // CompoundExpression value:6 // IntLiteral value:6 // CompoundExpression value:7 // IntLiteral value:7 // CompoundExpression value:2 // IntLiteral value:2 // ===> Expression '3+4+5+6+7-2' - AST end assertTrue(s.contains("===> Expression '3+4+5+6+7-2' - AST start")); assertTrue(s.contains(" OpPlus value:((((3 + 4) + 5) + 6) + 7) #children:2")); }
Example #2
Source File: ReflectionHelperTests.java From java-technology-stack with MIT License | 5 votes |
@Test public void testUtilities() throws ParseException { SpelExpression expr = (SpelExpression)parser.parseExpression("3+4+5+6+7-2"); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PrintStream ps = new PrintStream(baos); SpelUtilities.printAbstractSyntaxTree(ps, expr); ps.flush(); String s = baos.toString(); // ===> Expression '3+4+5+6+7-2' - AST start // OperatorMinus value:(((((3 + 4) + 5) + 6) + 7) - 2) #children:2 // OperatorPlus value:((((3 + 4) + 5) + 6) + 7) #children:2 // OperatorPlus value:(((3 + 4) + 5) + 6) #children:2 // OperatorPlus value:((3 + 4) + 5) #children:2 // OperatorPlus value:(3 + 4) #children:2 // CompoundExpression value:3 // IntLiteral value:3 // CompoundExpression value:4 // IntLiteral value:4 // CompoundExpression value:5 // IntLiteral value:5 // CompoundExpression value:6 // IntLiteral value:6 // CompoundExpression value:7 // IntLiteral value:7 // CompoundExpression value:2 // IntLiteral value:2 // ===> Expression '3+4+5+6+7-2' - AST end assertTrue(s.contains("===> Expression '3+4+5+6+7-2' - AST start")); assertTrue(s.contains(" OpPlus value:((((3 + 4) + 5) + 6) + 7) #children:2")); }
Example #3
Source File: ReflectionHelperTests.java From spring4-understanding with Apache License 2.0 | 5 votes |
@Test public void testUtilities() throws ParseException { SpelExpression expr = (SpelExpression)parser.parseExpression("3+4+5+6+7-2"); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PrintStream ps = new PrintStream(baos); SpelUtilities.printAbstractSyntaxTree(ps, expr); ps.flush(); String s = baos.toString(); // ===> Expression '3+4+5+6+7-2' - AST start // OperatorMinus value:(((((3 + 4) + 5) + 6) + 7) - 2) #children:2 // OperatorPlus value:((((3 + 4) + 5) + 6) + 7) #children:2 // OperatorPlus value:(((3 + 4) + 5) + 6) #children:2 // OperatorPlus value:((3 + 4) + 5) #children:2 // OperatorPlus value:(3 + 4) #children:2 // CompoundExpression value:3 // IntLiteral value:3 // CompoundExpression value:4 // IntLiteral value:4 // CompoundExpression value:5 // IntLiteral value:5 // CompoundExpression value:6 // IntLiteral value:6 // CompoundExpression value:7 // IntLiteral value:7 // CompoundExpression value:2 // IntLiteral value:2 // ===> Expression '3+4+5+6+7-2' - AST end assertTrue(s.contains("===> Expression '3+4+5+6+7-2' - AST start")); assertTrue(s.contains(" OpPlus value:((((3 + 4) + 5) + 6) + 7) #children:2")); }