Examples with ParserConfiguration org.mule.mvel2.ParserConfiguration used on opensource projects

Example 36 with ParserConfiguration

use of org.mule.mvel2.ParserConfiguration in project jbpm by kiegroup.

the class MVELDataTransformer method compile.

@Override
public Object compile(String expression, Map<String, Object> parameters) {
    logger.debug("About to compile mvel expression {}", expression);
    ClassLoader classLoader = (ClassLoader) parameters.get("classloader");
    if (classLoader == null) {
        classLoader = this.getClass().getClassLoader();
    }
    ParserConfiguration config = new ParserConfiguration();
    config.setClassLoader(classLoader);
    ParserContext context = new ParserContext(config);
    if (parameters != null) {
        @SuppressWarnings("unchecked") Set<String> imports = (Set<String>) parameters.get("imports");
        if (imports != null) {
            for (String clazz : imports) {
                try {
                    Class<?> cl = Class.forName(clazz, true, classLoader);
                    context.addImport(cl.getSimpleName(), cl);
                } catch (ClassNotFoundException e) {
                    logger.warn("Unable to load class {} due to {}", clazz, e.getException());
                }
                ;
            }
        }
    }
    return MVEL.compileExpression(expression, context);
}

Example 37 with ParserConfiguration

use of org.mule.mvel2.ParserConfiguration in project mule by mulesoft.

the class AbstractVarAssignmentDataTypePropagatorTestCase method createMvelExpressionLanguageContext.

protected MVELExpressionLanguageContext createMvelExpressionLanguageContext(PrivilegedEvent testEvent, PrivilegedEvent.Builder builder, ParserConfiguration parserConfiguration) {
    final MVELExpressionLanguageContext context = new MVELExpressionLanguageContext(parserConfiguration, muleContext);
    final StaticVariableResolverFactory staticContext = new StaticVariableResolverFactory(parserConfiguration, muleContext);
    final GlobalVariableResolverFactory globalContext = new GlobalVariableResolverFactory(emptyMap(), emptyMap(), parserConfiguration, muleContext);
    final DelegateVariableResolverFactory innerDelegate = new DelegateVariableResolverFactory(globalContext, new VariableVariableResolverFactory(parserConfiguration, muleContext, testEvent, builder));
    final DelegateVariableResolverFactory delegate = new DelegateVariableResolverFactory(staticContext, new MessageVariableResolverFactory(parserConfiguration, muleContext, testEvent, builder, innerDelegate));
    context.setNextFactory(new CachedMapVariableResolverFactory(emptyMap(), delegate));
    return context;
}

Example 38 with ParserConfiguration

use of org.mule.mvel2.ParserConfiguration in project mule by mulesoft.

the class AbstractVarExpressionDataTypeResolverTestCase method doVarDataTypeTest.

protected void doVarDataTypeTest(String expression) throws Exception {
    DataType expectedDataType = DataType.builder().type(String.class).mediaType(JSON).charset(CUSTOM_ENCODING).build();
    PrivilegedEvent event = setVariable((PrivilegedEvent) testEvent(), EXPRESSION_VALUE, expectedDataType);
    final ParserConfiguration parserConfiguration = MVELExpressionLanguage.createParserConfiguration(Collections.EMPTY_MAP);
    final MVELExpressionLanguageContext context = createMvelExpressionLanguageContext(event, parserConfiguration);
    CompiledExpression compiledExpression = (CompiledExpression) compileExpression(expression, new ParserContext(parserConfiguration));
    // Expression must be executed, otherwise the variable accessor is not properly configured
    MVEL.executeExpression(compiledExpression, context);
    assertThat(expressionDataTypeResolver.resolve(event, compiledExpression), like(String.class, JSON, CUSTOM_ENCODING));
}

Example 39 with ParserConfiguration

use of org.mule.mvel2.ParserConfiguration in project mule by mulesoft.

the class MVELExpressionLanguage method createParserConfiguration.

public static ParserConfiguration createParserConfiguration(Map<String, Class<?>> imports) {
    ParserConfiguration ParserConfiguration = new ParserConfiguration();
    configureParserConfiguration(ParserConfiguration, imports);
    return ParserConfiguration;
}

Example 40 with ParserConfiguration

use of org.mule.mvel2.ParserConfiguration in project mule by mulesoft.

the class MVELExpressionLanguage method evaluateUntyped.

public <T> T evaluateUntyped(String expression, PrivilegedEvent event, PrivilegedEvent.Builder eventBuilder, ComponentLocation componentLocation, Map<String, Object> vars) {
    if (event == null) {
        return evaluateUntyped(expression, vars);
    }
    MVELExpressionLanguageContext context = createExpressionLanguageContext();
    final DelegateVariableResolverFactory innerDelegate = new DelegateVariableResolverFactory(globalContext, createVariableVariableResolverFactory(event, eventBuilder));
    final DelegateVariableResolverFactory delegate = new DelegateVariableResolverFactory(staticContext, new EventVariableResolverFactory(parserConfiguration, muleContext, event, eventBuilder, componentLocation, innerDelegate));
    if (vars != null) {
        context.setNextFactory(new CachedMapVariableResolverFactory(vars, delegate));
    } else {
        context.setNextFactory(delegate);
    }
    return evaluateInternal(expression, context);
}