Examples with EvaluationException cn.taketoday.expression.EvaluationException used on opensource projects

Example 11 with EvaluationException

use of cn.taketoday.expression.EvaluationException in project today-framework by TAKETODAY.

the class FunctionReference method executeFunctionJLRMethod.

/**
 * Execute a function represented as a {@code java.lang.reflect.Method}.
 *
 * @param state the expression evaluation state
 * @param method the method to invoke
 * @return the return value of the invoked Java method
 * @throws EvaluationException if there is any problem invoking the method
 */
private TypedValue executeFunctionJLRMethod(ExpressionState state, Method method) throws EvaluationException {
    Object[] functionArgs = getArguments(state);
    if (!method.isVarArgs()) {
        int declaredParamCount = method.getParameterCount();
        if (declaredParamCount != functionArgs.length) {
            throw new SpelEvaluationException(SpelMessage.INCORRECT_NUMBER_OF_ARGUMENTS_TO_FUNCTION, functionArgs.length, declaredParamCount);
        }
    }
    if (!Modifier.isStatic(method.getModifiers())) {
        throw new SpelEvaluationException(getStartPosition(), SpelMessage.FUNCTION_MUST_BE_STATIC, ClassUtils.getQualifiedMethodName(method), this.name);
    }
    // Convert arguments if necessary and remap them for varargs if required
    TypeConverter converter = state.getEvaluationContext().getTypeConverter();
    boolean argumentConversionOccurred = ReflectionHelper.convertAllArguments(converter, functionArgs, method);
    if (method.isVarArgs()) {
        functionArgs = ReflectionHelper.setupArgumentsForVarargsInvocation(method.getParameterTypes(), functionArgs);
    }
    boolean compilable = false;
    try {
        ReflectionUtils.makeAccessible(method);
        Object result = method.invoke(method.getClass(), functionArgs);
        compilable = !argumentConversionOccurred;
        return new TypedValue(result, new TypeDescriptor(new MethodParameter(method, -1)).narrow(result));
    } catch (Exception ex) {
        throw new SpelEvaluationException(getStartPosition(), ex, SpelMessage.EXCEPTION_DURING_FUNCTION_CALL, this.name, ex.getMessage());
    } finally {
        if (compilable) {
            this.exitTypeDescriptor = CodeFlow.toDescriptor(method.getReturnType());
            this.method = method;
        } else {
            this.exitTypeDescriptor = null;
            this.method = null;
        }
    }
}

Example 12 with EvaluationException

use of cn.taketoday.expression.EvaluationException in project today-framework by TAKETODAY.

the class IndexingTests method indexIntoGenericPropertyContainingNullList.

@Test
void indexIntoGenericPropertyContainingNullList() {
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    assertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@cn.taketoday.expression.spel.IndexingTests$FieldAnnotation java.lang.Object");
    assertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        assertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        assertThat(ex.getMessage().startsWith("EL1027E")).isTrue();
    }
}

Example 13 with EvaluationException

use of cn.taketoday.expression.EvaluationException in project today-framework by TAKETODAY.

the class IndexingTests method indexIntoGenericPropertyContainingGrowingList.

@Test
void indexIntoGenericPropertyContainingGrowingList() {
    List<String> property = new ArrayList<>();
    this.property = property;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    assertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@cn.taketoday.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    assertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        assertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        assertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}

Example 14 with EvaluationException

use of cn.taketoday.expression.EvaluationException in project today-framework by TAKETODAY.

the class IndexingTests method indexIntoGenericPropertyContainingGrowingList2.

@Test
void indexIntoGenericPropertyContainingGrowingList2() {
    List<String> property2 = new ArrayList<>();
    this.property2 = property2;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property2");
    assertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.ArrayList<?>");
    assertThat(expression.getValue(this)).isEqualTo(property2);
    expression = parser.parseExpression("property2[0]");
    try {
        assertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        assertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}

Example 15 with EvaluationException

use of cn.taketoday.expression.EvaluationException in project today-framework by TAKETODAY.

the class IndexingTests method setGenericPropertyContainingListAutogrow.

@Test
void setGenericPropertyContainingListAutogrow() {
    List<Integer> property = new ArrayList<>();
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression expression = parser.parseExpression("property");
    assertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@cn.taketoday.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    assertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        expression.setValue(this, "4");
    } catch (EvaluationException ex) {
        assertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}