Example usage for org.springframework.expression.spel.support StandardEvaluationContext setRootObject

Introduction

In this page you can find the example usage for org.springframework.expression.spel.support StandardEvaluationContext setRootObject.

Prototype

public void setRootObject(@Nullable Object rootObject) 

Source Link

Usage

From source file:org.craftercms.commons.ebus.config.EBusBeanAutoConfiguration.java

private <T> T expression(String selector, Object bean) {
    if (selector == null) {
        return null;
    }/*from   w w  w. ja  v a  2 s.c  o  m*/

    StandardEvaluationContext evalCtx = new StandardEvaluationContext();
    evalCtx.setRootObject(bean);
    evalCtx.setBeanResolver(beanResolver);

    return (T) expressionParser.parseExpression(selector).getValue(evalCtx);
}

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From source file:com.googlecode.fascinator.portal.security.FascinatorWebSecurityExpressionHandler.java

@Override
public EvaluationContext createEvaluationContext(Authentication authentication, FilterInvocation fi) {
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    SecurityExpressionRoot root;/*from  w  w w.j av a 2 s  .  c  o  m*/
    root = new FascinatorWebSecurityExpressionRoot(authentication, fi, storage, accessControl);
    root.setTrustResolver(trustResolver);
    root.setRoleHierarchy(roleHierarchy);

    ctx.setRootObject(root);

    return ctx;
}

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From source file:org.mule.module.spel.EvaluationContextFactory.java

public EvaluationContext create(MuleMessage message) {
    Assert.notNull(message, "Message cannot be null");

    StandardEvaluationContext simpleContext = new StandardEvaluationContext();

    simpleContext.setVariable(CONTEXT_VAR_NAME, muleContext);
    simpleContext.setVariable(REGISTRY_VAR_NAME, muleRegistry);
    simpleContext.setVariable(MESSAGE_VAR_NAME, message);
    simpleContext.setVariable(ORIGINAL_PAYLOAD_VAR_NAME, message.getOriginalPayload());
    simpleContext.setVariable(PAYLOAD_VAR_NAME, message.getPayload());
    simpleContext.setVariable(ID_VAR_NAME, message.getUniqueId());

    /* systemProperties and systemEnvironment are spring beans already registered
       in the mule registry, and thus available as @systemEnvironment and @systemProperties.
       But this is collateral, so to properly to mimic Spring framework behavior both beans will
       be added as variables. //www  .  j av  a  2s. c o m
    */

    if (muleRegistry != null) {
        simpleContext.setVariable(SYSTEM_PROPERTIES_VAR_NAME,
                muleRegistry.get(ConfigurableApplicationContext.SYSTEM_PROPERTIES_BEAN_NAME));
        simpleContext.setVariable(ENVIRONMENT_VAR_NAME,
                muleRegistry.get(ConfigurableApplicationContext.SYSTEM_ENVIRONMENT_BEAN_NAME));
    }

    simpleContext.setRootObject(message.getPayload());

    simpleContext.setBeanResolver(beanResolver);
    return simpleContext;
}

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From source file:org.metaeffekt.dcc.commons.mapping.AbstractPropertyExpression.java

@SuppressWarnings("unchecked")
protected <T> T evaluateExpression(String originalExpression, String value, Class<T> type) {
    final ExpressionParser parser = new SpelExpressionParser();

    try {//  w  w  w.  j  a va2s  .c om
        final StandardEvaluationContext context = new StandardEvaluationContext();
        context.setRootObject(propertiesHolder);
        context.addPropertyAccessor(new EnvironmentAccessor());
        context.setVariable(StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME, STANDARD_ENVIRONMENT);
        context.setVariable(StandardEnvironment.SYSTEM_PROPERTIES_PROPERTY_SOURCE_NAME, STANDARD_ENVIRONMENT);

        final Expression expression = parser.parseExpression(value, PARSER_CONTEXT);

        return expression.getValue(context, type);
    } catch (ParseException | EvaluationException e) {
        LOG.debug(String.format("Failed to evaluate expression %s, and with replaced properties %s",
                originalExpression, value), e);
    }

    if (type == String.class) {
        return (T) value;
    }

    return null;
}

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