use of cn.taketoday.expression.spel.ExpressionState in project today-infrastructure by TAKETODAY.
the class SpelExpression method getValue.
@Override
@Nullable
public Object getValue(@Nullable Object rootObject) throws EvaluationException {
CompiledExpression compiledAst = this.compiledAst;
if (compiledAst != null) {
try {
return compiledAst.getValue(rootObject, getEvaluationContext());
} catch (Throwable ex) {
// If running in mixed mode, revert to interpreted
if (this.configuration.getCompilerMode() == SpelCompilerMode.MIXED) {
this.compiledAst = null;
this.interpretedCount.set(0);
} else {
// Running in SpelCompilerMode.immediate mode - propagate exception to caller
throw new SpelEvaluationException(ex, SpelMessage.EXCEPTION_RUNNING_COMPILED_EXPRESSION);
}
}
}
ExpressionState expressionState = new ExpressionState(getEvaluationContext(), toTypedValue(rootObject), this.configuration);
Object result = this.ast.getValue(expressionState);
checkCompile(expressionState);
return result;
}
use of cn.taketoday.expression.spel.ExpressionState in project today-infrastructure by TAKETODAY.
the class SpelExpression method getValue.
@SuppressWarnings("unchecked")
@Override
@Nullable
public <T> T getValue(EvaluationContext context, @Nullable Object rootObject, @Nullable Class<T> expectedResultType) throws EvaluationException {
Assert.notNull(context, "EvaluationContext is required");
CompiledExpression compiledAst = this.compiledAst;
if (compiledAst != null) {
try {
Object result = compiledAst.getValue(rootObject, context);
if (expectedResultType != null) {
return ExpressionUtils.convertTypedValue(context, new TypedValue(result), expectedResultType);
} else {
return (T) result;
}
} catch (Throwable ex) {
// If running in mixed mode, revert to interpreted
if (this.configuration.getCompilerMode() == SpelCompilerMode.MIXED) {
this.compiledAst = null;
this.interpretedCount.set(0);
} else {
// Running in SpelCompilerMode.immediate mode - propagate exception to caller
throw new SpelEvaluationException(ex, SpelMessage.EXCEPTION_RUNNING_COMPILED_EXPRESSION);
}
}
}
ExpressionState expressionState = new ExpressionState(context, toTypedValue(rootObject), this.configuration);
TypedValue typedResultValue = this.ast.getTypedValue(expressionState);
checkCompile(expressionState);
return ExpressionUtils.convertTypedValue(context, typedResultValue, expectedResultType);
}
use of cn.taketoday.expression.spel.ExpressionState in project today-infrastructure by TAKETODAY.
the class SpelExpression method getValue.
@Override
@Nullable
public Object getValue(EvaluationContext context) throws EvaluationException {
Assert.notNull(context, "EvaluationContext is required");
CompiledExpression compiledAst = this.compiledAst;
if (compiledAst != null) {
try {
return compiledAst.getValue(context.getRootObject().getValue(), context);
} catch (Throwable ex) {
// If running in mixed mode, revert to interpreted
if (this.configuration.getCompilerMode() == SpelCompilerMode.MIXED) {
this.compiledAst = null;
this.interpretedCount.set(0);
} else {
// Running in SpelCompilerMode.immediate mode - propagate exception to caller
throw new SpelEvaluationException(ex, SpelMessage.EXCEPTION_RUNNING_COMPILED_EXPRESSION);
}
}
}
ExpressionState expressionState = new ExpressionState(context, this.configuration);
Object result = this.ast.getValue(expressionState);
checkCompile(expressionState);
return result;
}
use of cn.taketoday.expression.spel.ExpressionState in project today-infrastructure by TAKETODAY.
the class SpelExpression method getValueType.
@Override
@Nullable
public Class<?> getValueType(EvaluationContext context, @Nullable Object rootObject) throws EvaluationException {
ExpressionState expressionState = new ExpressionState(context, toTypedValue(rootObject), this.configuration);
TypeDescriptor typeDescriptor = this.ast.getValueInternal(expressionState).getTypeDescriptor();
return (typeDescriptor != null ? typeDescriptor.getType() : null);
}
use of cn.taketoday.expression.spel.ExpressionState in project today-framework by TAKETODAY.
the class OpPlusTests method test_binaryPlusWithStringOperands.
@Test
public void test_binaryPlusWithStringOperands() {
ExpressionState expressionState = new ExpressionState(new StandardEvaluationContext());
StringLiteral n1 = new StringLiteral("\"foo\"", -1, -1, "\"foo\"");
StringLiteral n2 = new StringLiteral("\"bar\"", -1, -1, "\"bar\"");
OpPlus o = new OpPlus(-1, -1, n1, n2);
TypedValue value = o.getValueInternal(expressionState);
assertThat(value.getTypeDescriptor().getObjectType()).isEqualTo(String.class);
assertThat(value.getTypeDescriptor().getType()).isEqualTo(String.class);
assertThat(value.getValue()).isEqualTo("foobar");
}
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