org.springframework.expression.TypeComparator Java Examples

The following examples show how to use org.springframework.expression.TypeComparator. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: OperatorBetween.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * Returns a boolean based on whether a value is in the range expressed. The first
 * operand is any value whilst the second is a list of two values - those two values
 * being the bounds allowed for the first operand (inclusive).
 * @param state the expression state
 * @return true if the left operand is in the range specified, false otherwise
 * @throws EvaluationException if there is a problem evaluating the expression
 */
@Override
public BooleanTypedValue getValueInternal(ExpressionState state) throws EvaluationException {
	Object left = getLeftOperand().getValueInternal(state).getValue();
	Object right = getRightOperand().getValueInternal(state).getValue();
	if (!(right instanceof List) || ((List<?>) right).size() != 2) {
		throw new SpelEvaluationException(getRightOperand().getStartPosition(),
				SpelMessage.BETWEEN_RIGHT_OPERAND_MUST_BE_TWO_ELEMENT_LIST);
	}

	List<?> list = (List<?>) right;
	Object low = list.get(0);
	Object high = list.get(1);
	TypeComparator comp = state.getTypeComparator();
	try {
		return BooleanTypedValue.forValue(comp.compare(left, low) >= 0 && comp.compare(left, high) <= 0);
	}
	catch (SpelEvaluationException ex) {
		ex.setPosition(getStartPosition());
		throw ex;
	}
}
Example #2
Source File: OperatorBetween.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Returns a boolean based on whether a value is in the range expressed. The first
 * operand is any value whilst the second is a list of two values - those two values
 * being the bounds allowed for the first operand (inclusive).
 * @param state the expression state
 * @return true if the left operand is in the range specified, false otherwise
 * @throws EvaluationException if there is a problem evaluating the expression
 */
@Override
public BooleanTypedValue getValueInternal(ExpressionState state) throws EvaluationException {
	Object left = getLeftOperand().getValueInternal(state).getValue();
	Object right = getRightOperand().getValueInternal(state).getValue();
	if (!(right instanceof List) || ((List<?>) right).size() != 2) {
		throw new SpelEvaluationException(getRightOperand().getStartPosition(),
				SpelMessage.BETWEEN_RIGHT_OPERAND_MUST_BE_TWO_ELEMENT_LIST);
	}

	List<?> list = (List<?>) right;
	Object low = list.get(0);
	Object high = list.get(1);
	TypeComparator comp = state.getTypeComparator();
	try {
		return BooleanTypedValue.forValue(comp.compare(left, low) >= 0 && comp.compare(left, high) <= 0);
	}
	catch (SpelEvaluationException ex) {
		ex.setPosition(getStartPosition());
		throw ex;
	}
}
Example #3
Source File: OperatorBetween.java    From java-technology-stack with MIT License 6 votes vote down vote up 
/**
 * Returns a boolean based on whether a value is in the range expressed. The first
 * operand is any value whilst the second is a list of two values - those two values
 * being the bounds allowed for the first operand (inclusive).
 * @param state the expression state
 * @return true if the left operand is in the range specified, false otherwise
 * @throws EvaluationException if there is a problem evaluating the expression
 */
@Override
public BooleanTypedValue getValueInternal(ExpressionState state) throws EvaluationException {
	Object left = getLeftOperand().getValueInternal(state).getValue();
	Object right = getRightOperand().getValueInternal(state).getValue();
	if (!(right instanceof List) || ((List<?>) right).size() != 2) {
		throw new SpelEvaluationException(getRightOperand().getStartPosition(),
				SpelMessage.BETWEEN_RIGHT_OPERAND_MUST_BE_TWO_ELEMENT_LIST);
	}

	List<?> list = (List<?>) right;
	Object low = list.get(0);
	Object high = list.get(1);
	TypeComparator comp = state.getTypeComparator();
	try {
		return BooleanTypedValue.forValue(comp.compare(left, low) >= 0 && comp.compare(left, high) <= 0);
	}
	catch (SpelEvaluationException ex) {
		ex.setPosition(getStartPosition());
		throw ex;
	}
}
Example #4
Source File: OperatorBetween.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
/**
 * Returns a boolean based on whether a value is in the range expressed. The first
 * operand is any value whilst the second is a list of two values - those two values
 * being the bounds allowed for the first operand (inclusive).
 * @param state the expression state
 * @return true if the left operand is in the range specified, false otherwise
 * @throws EvaluationException if there is a problem evaluating the expression
 */
@Override
public BooleanTypedValue getValueInternal(ExpressionState state) throws EvaluationException {
	Object left = getLeftOperand().getValueInternal(state).getValue();
	Object right = getRightOperand().getValueInternal(state).getValue();
	if (!(right instanceof List) || ((List<?>) right).size() != 2) {
		throw new SpelEvaluationException(getRightOperand().getStartPosition(),
				SpelMessage.BETWEEN_RIGHT_OPERAND_MUST_BE_TWO_ELEMENT_LIST);
	}

	List<?> list = (List<?>) right;
	Object low = list.get(0);
	Object high = list.get(1);
	TypeComparator comp = state.getTypeComparator();
	try {
		return BooleanTypedValue.forValue(comp.compare(left, low) >= 0 && comp.compare(left, high) <= 0);
	}
	catch (SpelEvaluationException ex) {
		ex.setPosition(getStartPosition());
		throw ex;
	}
}
Example #5
Source File: DefaultComparatorUnitTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testNonPrimitiveNumbers() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();

	BigDecimal bdOne = new BigDecimal("1");
	BigDecimal bdTwo = new BigDecimal("2");

	assertTrue(comparator.compare(bdOne, bdTwo) < 0);
	assertTrue(comparator.compare(bdOne, new BigDecimal("1")) == 0);
	assertTrue(comparator.compare(bdTwo, bdOne) > 0);

	assertTrue(comparator.compare(1, bdTwo) < 0);
	assertTrue(comparator.compare(1, bdOne) == 0);
	assertTrue(comparator.compare(2, bdOne) > 0);

	assertTrue(comparator.compare(1.0d, bdTwo) < 0);
	assertTrue(comparator.compare(1.0d, bdOne) == 0);
	assertTrue(comparator.compare(2.0d, bdOne) > 0);

	assertTrue(comparator.compare(1.0f, bdTwo) < 0);
	assertTrue(comparator.compare(1.0f, bdOne) == 0);
	assertTrue(comparator.compare(2.0f, bdOne) > 0);

	assertTrue(comparator.compare(1L, bdTwo) < 0);
	assertTrue(comparator.compare(1L, bdOne) == 0);
	assertTrue(comparator.compare(2L, bdOne) > 0);

}
Example #6
Source File: DefaultComparatorUnitTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testCanCompare() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.canCompare(null,1));
	assertTrue(comparator.canCompare(1,null));

	assertTrue(comparator.canCompare(2,1));
	assertTrue(comparator.canCompare("abc","def"));
	assertTrue(comparator.canCompare("abc",3));
	assertFalse(comparator.canCompare(String.class,3));
}
Example #7
Source File: DefaultComparatorUnitTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testObjects() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare("a","a")==0);
	assertTrue(comparator.compare("a","b")<0);
	assertTrue(comparator.compare("b","a")>0);
}
Example #8
Source File: DefaultComparatorUnitTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testNulls() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare(null,"abc")<0);
	assertTrue(comparator.compare(null,null)==0);
	assertTrue(comparator.compare("abc",null)>0);
}
Example #9
Source File: DefaultComparatorUnitTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testNonPrimitiveNumbers() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();

	BigDecimal bdOne = new BigDecimal("1");
	BigDecimal bdTwo = new BigDecimal("2");

	assertTrue(comparator.compare(bdOne, bdTwo) < 0);
	assertTrue(comparator.compare(bdOne, new BigDecimal("1")) == 0);
	assertTrue(comparator.compare(bdTwo, bdOne) > 0);

	assertTrue(comparator.compare(1, bdTwo) < 0);
	assertTrue(comparator.compare(1, bdOne) == 0);
	assertTrue(comparator.compare(2, bdOne) > 0);

	assertTrue(comparator.compare(1.0d, bdTwo) < 0);
	assertTrue(comparator.compare(1.0d, bdOne) == 0);
	assertTrue(comparator.compare(2.0d, bdOne) > 0);

	assertTrue(comparator.compare(1.0f, bdTwo) < 0);
	assertTrue(comparator.compare(1.0f, bdOne) == 0);
	assertTrue(comparator.compare(2.0f, bdOne) > 0);

	assertTrue(comparator.compare(1L, bdTwo) < 0);
	assertTrue(comparator.compare(1L, bdOne) == 0);
	assertTrue(comparator.compare(2L, bdOne) > 0);

}
Example #10
Source File: DefaultComparatorUnitTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testPrimitives() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	// primitive int
	assertTrue(comparator.compare(1, 2) < 0);
	assertTrue(comparator.compare(1, 1) == 0);
	assertTrue(comparator.compare(2, 1) > 0);

	assertTrue(comparator.compare(1.0d, 2) < 0);
	assertTrue(comparator.compare(1.0d, 1) == 0);
	assertTrue(comparator.compare(2.0d, 1) > 0);

	assertTrue(comparator.compare(1.0f, 2) < 0);
	assertTrue(comparator.compare(1.0f, 1) == 0);
	assertTrue(comparator.compare(2.0f, 1) > 0);

	assertTrue(comparator.compare(1L, 2) < 0);
	assertTrue(comparator.compare(1L, 1) == 0);
	assertTrue(comparator.compare(2L, 1) > 0);

	assertTrue(comparator.compare(1, 2L) < 0);
	assertTrue(comparator.compare(1, 1L) == 0);
	assertTrue(comparator.compare(2, 1L) > 0);

	assertTrue(comparator.compare(1L, 2L) < 0);
	assertTrue(comparator.compare(1L, 1L) == 0);
	assertTrue(comparator.compare(2L, 1L) > 0);
}
Example #11
Source File: StandardComponentsTests.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStandardEvaluationContext() {
	StandardEvaluationContext context = new StandardEvaluationContext();
	assertNotNull(context.getTypeComparator());

	TypeComparator tc = new StandardTypeComparator();
	context.setTypeComparator(tc);
	assertEquals(tc, context.getTypeComparator());

	TypeLocator tl = new StandardTypeLocator();
	context.setTypeLocator(tl);
	assertEquals(tl, context.getTypeLocator());
}
Example #12
Source File: DefaultComparatorUnitTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testCanCompare() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.canCompare(null,1));
	assertTrue(comparator.canCompare(1,null));

	assertTrue(comparator.canCompare(2,1));
	assertTrue(comparator.canCompare("abc","def"));
	assertTrue(comparator.canCompare("abc",3));
	assertFalse(comparator.canCompare(String.class,3));
}
Example #13
Source File: DefaultComparatorUnitTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testObjects() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare("a","a")==0);
	assertTrue(comparator.compare("a","b")<0);
	assertTrue(comparator.compare("b","a")>0);
}
Example #14
Source File: DefaultComparatorUnitTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testNulls() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare(null,"abc")<0);
	assertTrue(comparator.compare(null,null)==0);
	assertTrue(comparator.compare("abc",null)>0);
}
Example #15
Source File: DefaultComparatorUnitTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testPrimitives() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	// primitive int
	assertTrue(comparator.compare(1, 2) < 0);
	assertTrue(comparator.compare(1, 1) == 0);
	assertTrue(comparator.compare(2, 1) > 0);

	assertTrue(comparator.compare(1.0d, 2) < 0);
	assertTrue(comparator.compare(1.0d, 1) == 0);
	assertTrue(comparator.compare(2.0d, 1) > 0);

	assertTrue(comparator.compare(1.0f, 2) < 0);
	assertTrue(comparator.compare(1.0f, 1) == 0);
	assertTrue(comparator.compare(2.0f, 1) > 0);

	assertTrue(comparator.compare(1L, 2) < 0);
	assertTrue(comparator.compare(1L, 1) == 0);
	assertTrue(comparator.compare(2L, 1) > 0);

	assertTrue(comparator.compare(1, 2L) < 0);
	assertTrue(comparator.compare(1, 1L) == 0);
	assertTrue(comparator.compare(2, 1L) > 0);

	assertTrue(comparator.compare(1L, 2L) < 0);
	assertTrue(comparator.compare(1L, 1L) == 0);
	assertTrue(comparator.compare(2L, 1L) > 0);
}
Example #16
Source File: StandardComponentsTests.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Test
public void testStandardEvaluationContext() {
	StandardEvaluationContext context = new StandardEvaluationContext();
	assertNotNull(context.getTypeComparator());

	TypeComparator tc = new StandardTypeComparator();
	context.setTypeComparator(tc);
	assertEquals(tc, context.getTypeComparator());

	TypeLocator tl = new StandardTypeLocator();
	context.setTypeLocator(tl);
	assertEquals(tl, context.getTypeLocator());
}
Example #17
Source File: DefaultComparatorUnitTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testCanCompare() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.canCompare(null,1));
	assertTrue(comparator.canCompare(1,null));

	assertTrue(comparator.canCompare(2,1));
	assertTrue(comparator.canCompare("abc","def"));
	assertTrue(comparator.canCompare("abc",3));
	assertFalse(comparator.canCompare(String.class,3));
}
Example #18
Source File: DefaultComparatorUnitTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testObjects() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare("a","a")==0);
	assertTrue(comparator.compare("a","b")<0);
	assertTrue(comparator.compare("b","a")>0);
}
Example #19
Source File: DefaultComparatorUnitTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testNulls() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	assertTrue(comparator.compare(null,"abc")<0);
	assertTrue(comparator.compare(null,null)==0);
	assertTrue(comparator.compare("abc",null)>0);
}
Example #20
Source File: StandardComponentsTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testStandardEvaluationContext() {
	StandardEvaluationContext context = new StandardEvaluationContext();
	assertNotNull(context.getTypeComparator());

	TypeComparator tc = new StandardTypeComparator();
	context.setTypeComparator(tc);
	assertEquals(tc, context.getTypeComparator());

	TypeLocator tl = new StandardTypeLocator();
	context.setTypeLocator(tl);
	assertEquals(tl, context.getTypeLocator());
}
Example #21
Source File: DefaultComparatorUnitTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testPrimitives() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();
	// primitive int
	assertTrue(comparator.compare(1, 2) < 0);
	assertTrue(comparator.compare(1, 1) == 0);
	assertTrue(comparator.compare(2, 1) > 0);

	assertTrue(comparator.compare(1.0d, 2) < 0);
	assertTrue(comparator.compare(1.0d, 1) == 0);
	assertTrue(comparator.compare(2.0d, 1) > 0);

	assertTrue(comparator.compare(1.0f, 2) < 0);
	assertTrue(comparator.compare(1.0f, 1) == 0);
	assertTrue(comparator.compare(2.0f, 1) > 0);

	assertTrue(comparator.compare(1L, 2) < 0);
	assertTrue(comparator.compare(1L, 1) == 0);
	assertTrue(comparator.compare(2L, 1) > 0);

	assertTrue(comparator.compare(1, 2L) < 0);
	assertTrue(comparator.compare(1, 1L) == 0);
	assertTrue(comparator.compare(2, 1L) > 0);

	assertTrue(comparator.compare(1L, 2L) < 0);
	assertTrue(comparator.compare(1L, 1L) == 0);
	assertTrue(comparator.compare(2L, 1L) > 0);
}
Example #22
Source File: DefaultComparatorUnitTests.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Test
public void testNonPrimitiveNumbers() throws EvaluationException {
	TypeComparator comparator = new StandardTypeComparator();

	BigDecimal bdOne = new BigDecimal("1");
	BigDecimal bdTwo = new BigDecimal("2");

	assertTrue(comparator.compare(bdOne, bdTwo) < 0);
	assertTrue(comparator.compare(bdOne, new BigDecimal("1")) == 0);
	assertTrue(comparator.compare(bdTwo, bdOne) > 0);

	assertTrue(comparator.compare(1, bdTwo) < 0);
	assertTrue(comparator.compare(1, bdOne) == 0);
	assertTrue(comparator.compare(2, bdOne) > 0);

	assertTrue(comparator.compare(1.0d, bdTwo) < 0);
	assertTrue(comparator.compare(1.0d, bdOne) == 0);
	assertTrue(comparator.compare(2.0d, bdOne) > 0);

	assertTrue(comparator.compare(1.0f, bdTwo) < 0);
	assertTrue(comparator.compare(1.0f, bdOne) == 0);
	assertTrue(comparator.compare(2.0f, bdOne) > 0);

	assertTrue(comparator.compare(1L, bdTwo) < 0);
	assertTrue(comparator.compare(1L, bdOne) == 0);
	assertTrue(comparator.compare(2L, bdOne) > 0);

}
Example #23
Source File: SimpleEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
/**
 * Return an instance of {@link StandardTypeComparator}.
 */
@Override
public TypeComparator getTypeComparator() {
	return this.typeComparator;
}
Example #24
Source File: ExpressionState.java    From java-technology-stack with MIT License 4 votes vote down vote up 
public TypeComparator getTypeComparator() {
	return this.relatedContext.getTypeComparator();
}
Example #25
Source File: StandardEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
public void setTypeComparator(TypeComparator typeComparator) {
	Assert.notNull(typeComparator, "TypeComparator must not be null");
	this.typeComparator = typeComparator;
}
Example #26
Source File: StandardEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
@Override
public TypeComparator getTypeComparator() {
	return this.typeComparator;
}
Example #27
Source File: ExpressionState.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
public TypeComparator getTypeComparator() {
	return this.relatedContext.getTypeComparator();
}
Example #28
Source File: ExpressionState.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
public TypeComparator getTypeComparator() {
	return this.relatedContext.getTypeComparator();
}
Example #29
Source File: StandardEvaluationContext.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Override
public TypeComparator getTypeComparator() {
	return this.typeComparator;
}
Example #30
Source File: StandardEvaluationContext.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
public void setTypeComparator(TypeComparator typeComparator) {
	Assert.notNull(typeComparator, "TypeComparator must not be null");
	this.typeComparator = typeComparator;
}