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

Introduction

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

Prototype

public StandardEvaluationContext() 

Source Link

Document

Create a StandardEvaluationContext with a null root object.

Usage

From source file:app.commons.SpELUtils.java

public static Object parseExpression(String expression, Object rootObject) {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    //        ctx.setBeanResolver();
    ctx.setRootObject(rootObject);/*from ww  w  . jav  a 2  s  .  com*/
    //        ctx.setVariable("root", rootObject);
    return parser.parseExpression(expression).getValue(ctx);
}

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From source file:bugs.TestEL.java

/**
 * Test the EL.// w w w  .  ja  v a 2 s.c  o  m
 */
@SuppressWarnings({ "boxing", "deprecation" })
@Test
public void testName() {
    // Arrange
    final SpelExpressionParser parser = new SpelExpressionParser();
    final StandardEvaluationContext context = new StandardEvaluationContext();

    final String spelExpression1 = "testDate.date";
    final String spelExpression2 = "class";
    final String spelExpression3 = "class.name";
    final String spelExpression4 = "name";

    final Date now = new Date();
    final String name = "Testname";

    final TestObject testObject = new TestObject();
    testObject.setTestDate(now);
    testObject.setName(name);

    final SpelExpression exp1 = (SpelExpression) parser.parseExpression(spelExpression1);
    final SpelExpression exp2 = (SpelExpression) parser.parseExpression(spelExpression2);
    final SpelExpression exp3 = (SpelExpression) parser.parseExpression(spelExpression3);
    final SpelExpression exp4 = (SpelExpression) parser.parseExpression(spelExpression4);
    // Act

    final Object value1 = exp1.getValue(context, testObject);

    final Object value2 = exp2.getValue(context, testObject);

    final Object value3 = exp3.getValue(context, testObject);

    Object value4 = null;
    try {
        value4 = exp4.getValue(context, testObject);
    } catch (SpelEvaluationException e) {
        Assert.assertEquals(
                "EL1021E:(pos 0): A problem occurred whilst " + "attempting to access the property 'name': "
                        + "'Unable to access property 'name' through getter'",
                e.getMessage());
        // CSOFF: RegexpSinglelineJava
        System.err.println("Spring-Bug SPR-9017 happens!");
        // CSON: RegexpSinglelineJava
        value4 = name;
    }

    // Assert
    Assert.assertEquals(value1, now.getDate());
    Assert.assertEquals(value2, TestObject.class);
    Assert.assertEquals(value3, TestObject.class.getName());
    Assert.assertEquals(value4, name);

}

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From source file:org.cloudfoundry.identity.app.web.MapWrapper.java

public MapWrapper(Object target) throws Exception {
    this.target = target;
    context = new StandardEvaluationContext();
    context.addPropertyAccessor(new MapAccessor());
    parser = new SpelExpressionParser();
}

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From source file:com.fitbur.core.el.spring.internal.StandardEvaluationContextProvider.java

@Rank(Integer.MIN_VALUE)
@PerLookup
@Override
public StandardEvaluationContext provide() {
    return new StandardEvaluationContext();
}

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From source file:org.snaker.engine.spring.SpelExpression.java

public <T> T eval(Class<T> T, String expr, Map<String, Object> args) {
    EvaluationContext context = new StandardEvaluationContext();
    for (Entry<String, Object> entry : args.entrySet()) {
        context.setVariable(entry.getKey(), entry.getValue());
    }//w w w.  ja  v a  2 s  . co m
    return parser.parseExpression(expr).getValue(context, T);
}

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From source file:fr.acxio.tools.agia.expression.StandardEvaluationContextFactory.java

@Override
public StandardEvaluationContext createContext(String sName, Object sValue,
        StandardEvaluationContext sContext) {
    StandardEvaluationContext aContext = sContext;
    if (sContext == null) {
        aContext = new StandardEvaluationContext();
        if (commonObjects != null) {
            aContext.setVariables(commonObjects);
        }//from w  ww.ja  v  a  2s .c o  m
        aContext.addPropertyAccessor(new MapAccessor());
    }
    aContext.setVariable(sName, sValue);
    return aContext;
}

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From source file:org.jmingo.el.springexp.SpringELEngine.java

/**
 * {@inheritDoc}/*from  w w  w. j  ava2 s. c om*/
 */
@Override
public synchronized boolean evaluate(String expression, Map<String, Object> parameters) {
    Validate.notBlank(expression, "expression cannot be empty");
    Expression exp = parser.parseExpression(expression);
    EvaluationContext context = new StandardEvaluationContext();
    if (MapUtils.isNotEmpty(parameters)) {
        for (Map.Entry<String, Object> parameter : parameters.entrySet()) {
            context.setVariable(parameter.getKey(), parameter.getValue());
        }
    }
    return exp.getValue(context, Boolean.class);
}

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From source file:org.springframework.batch.admin.web.JsonWrapper.java

@SuppressWarnings("unchecked")
public JsonWrapper(String content) throws Exception {
    this.content = content;
    try {/*from   w  w  w.jav  a 2s  .c o m*/
        target = new MappingJsonFactory().createJsonParser(content.replace("\\", "/")).readValueAs(Map.class);
    } catch (JsonParseException e) {
        throw new JsonMappingException("Cannot create wrapper for:\n" + content, e);
    }
    context = new StandardEvaluationContext();
    context.addPropertyAccessor(new MapAccessor());
    parser = new SpelExpressionParser();
}

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From source file:com.couchbase.spring.core.mapping.BasicCouchbasePersistentEntity.java

public BasicCouchbasePersistentEntity(TypeInformation<T> typeInformation) {
    super(typeInformation);

    this.context = new StandardEvaluationContext();
}

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From source file:de.hybris.platform.addonsupport.config.SpelBeanFactory.java

@Override
public void onApplicationEvent(final ContextRefreshedEvent event) {
    final ExpressionParser parser = new SpelExpressionParser();
    final StandardEvaluationContext context = new StandardEvaluationContext();
    context.setBeanResolver(new BeanFactoryResolver(applicationContext));

    final String[] beanNames = applicationContext.getBeanNamesForType(AbstractConverter.class);
    for (final String beanName : beanNames) {
        final BeanDefinition def = beanFactory.getBeanDefinition(beanName);
        final PropertyValue pv = def.getPropertyValues().getPropertyValue("targetClass");
        if (pv != null) {

            if (pv.getValue() instanceof TypedStringValue) {

                String expr = StringUtils.strip(((TypedStringValue) pv.getValue()).getValue());
                if (expr.startsWith("#{")) {
                    expr = StringUtils.replaceOnce(expr, "#{", "@");
                    expr = StringUtils.stripEnd(expr, "}");
                    final Object result = parser.parseExpression(expr).getValue(context);
                    if (result != null) {

                        try {
                            applicationContext.getBean(beanName, AbstractConverter.class)
                                    .setTargetClass(ClassUtils.getClass(result.toString()));
                        } catch (final ClassNotFoundException e) {
                            LOG.error(beanName + " target class instantiation failed", e);
                        }//w  w  w.j  av a 2s .c  o  m
                    }
                }
            }
        }
    }
}

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