org.springframework.expression.OperatorOverloader Java Examples

The following examples show how to use org.springframework.expression.OperatorOverloader. 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: ExpressionState.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
public TypedValue operate(Operation op, Object left, Object right) throws EvaluationException {
	OperatorOverloader overloader = this.relatedContext.getOperatorOverloader();
	if (overloader.overridesOperation(op, left, right)) {
		Object returnValue = overloader.operate(op, left, right);
		return new TypedValue(returnValue);
	}
	else {
		String leftType = (left == null ? "null" : left.getClass().getName());
		String rightType = (right == null? "null" : right.getClass().getName());
		throw new SpelEvaluationException(SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES, op, leftType, rightType);
	}
}
Example #2
Source File: ExpressionState.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
public TypedValue operate(Operation op, @Nullable Object left, @Nullable Object right) throws EvaluationException {
	OperatorOverloader overloader = this.relatedContext.getOperatorOverloader();
	if (overloader.overridesOperation(op, left, right)) {
		Object returnValue = overloader.operate(op, left, right);
		return new TypedValue(returnValue);
	}
	else {
		String leftType = (left == null ? "null" : left.getClass().getName());
		String rightType = (right == null? "null" : right.getClass().getName());
		throw new SpelEvaluationException(SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES, op, leftType, rightType);
	}
}
Example #3
Source File: ExpressionState.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
public TypedValue operate(Operation op, Object left, Object right) throws EvaluationException {
	OperatorOverloader overloader = this.relatedContext.getOperatorOverloader();
	if (overloader.overridesOperation(op, left, right)) {
		Object returnValue = overloader.operate(op, left, right);
		return new TypedValue(returnValue);
	}
	else {
		String leftType = (left == null ? "null" : left.getClass().getName());
		String rightType = (right == null? "null" : right.getClass().getName());
		throw new SpelEvaluationException(SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES, op, leftType, rightType);
	}
}
Example #4
Source File: ExpressionState.java    From java-technology-stack with MIT License 5 votes vote down vote up 
public TypedValue operate(Operation op, @Nullable Object left, @Nullable Object right) throws EvaluationException {
	OperatorOverloader overloader = this.relatedContext.getOperatorOverloader();
	if (overloader.overridesOperation(op, left, right)) {
		Object returnValue = overloader.operate(op, left, right);
		return new TypedValue(returnValue);
	}
	else {
		String leftType = (left == null ? "null" : left.getClass().getName());
		String rightType = (right == null? "null" : right.getClass().getName());
		throw new SpelEvaluationException(SpelMessage.OPERATOR_NOT_SUPPORTED_BETWEEN_TYPES, op, leftType, rightType);
	}
}
Example #5
Source File: StandardComponentsTests.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Test(expected = EvaluationException.class)
public void testStandardOperatorOverloader() throws EvaluationException {
	OperatorOverloader oo = new StandardOperatorOverloader();
	assertFalse(oo.overridesOperation(Operation.ADD, null, null));
	oo.operate(Operation.ADD, 2, 3);
}
Example #6
Source File: SimpleEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
/**
 * Return an instance of {@link StandardOperatorOverloader}.
 */
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #7
Source File: StandardEvaluationContext.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #8
Source File: StandardEvaluationContext.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
public void setOperatorOverloader(OperatorOverloader operatorOverloader) {
	Assert.notNull(operatorOverloader, "OperatorOverloader must not be null");
	this.operatorOverloader = operatorOverloader;
}
Example #9
Source File: StandardEvaluationContext.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #10
Source File: StandardEvaluationContext.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
public void setOperatorOverloader(OperatorOverloader operatorOverloader) {
	Assert.notNull(operatorOverloader, "OperatorOverloader must not be null");
	this.operatorOverloader = operatorOverloader;
}
Example #11
Source File: StandardComponentsTests.java    From java-technology-stack with MIT License 4 votes vote down vote up 
@Test(expected = EvaluationException.class)
public void testStandardOperatorOverloader() throws EvaluationException {
	OperatorOverloader oo = new StandardOperatorOverloader();
	assertFalse(oo.overridesOperation(Operation.ADD, null, null));
	oo.operate(Operation.ADD, 2, 3);
}
Example #12
Source File: StandardEvaluationContext.java    From java-technology-stack with MIT License 4 votes vote down vote up 
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #13
Source File: StandardEvaluationContext.java    From java-technology-stack with MIT License 4 votes vote down vote up 
public void setOperatorOverloader(OperatorOverloader operatorOverloader) {
	Assert.notNull(operatorOverloader, "OperatorOverloader must not be null");
	this.operatorOverloader = operatorOverloader;
}
Example #14
Source File: SimpleEvaluationContext.java    From java-technology-stack with MIT License 4 votes vote down vote up 
/**
 * Return an instance of {@link StandardOperatorOverloader}.
 */
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #15
Source File: StandardComponentsTests.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
@Test(expected = EvaluationException.class)
public void testStandardOperatorOverloader() throws EvaluationException {
	OperatorOverloader oo = new StandardOperatorOverloader();
	assertFalse(oo.overridesOperation(Operation.ADD, null, null));
	oo.operate(Operation.ADD, 2, 3);
}
Example #16
Source File: StandardEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
@Override
public OperatorOverloader getOperatorOverloader() {
	return this.operatorOverloader;
}
Example #17
Source File: StandardEvaluationContext.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
public void setOperatorOverloader(OperatorOverloader operatorOverloader) {
	Assert.notNull(operatorOverloader, "OperatorOverloader must not be null");
	this.operatorOverloader = operatorOverloader;
}