Example usage for org.springframework.util ReflectionUtils getField

List of usage examples for org.springframework.util ReflectionUtils getField

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Introduction

In this page you can find the example usage for org.springframework.util ReflectionUtils getField.

Prototype

@Nullable
public static Object getField(Field field, @Nullable Object target)

Source Link

Document

Get the field represented by the supplied Field field object on the specified Object target object .

Usage

From source file:cn.guoyukun.spring.utils.AopProxyUtils.java

/**
 * ??/*from w  ww  . ja  v  a 2  s  .c om*/
 * see http://jinnianshilongnian.iteye.com/blog/1894465
 * @param proxy
 * @return
 */
public static boolean isMultipleProxy(Object proxy) {
    try {
        ProxyFactory proxyFactory = null;
        if (AopUtils.isJdkDynamicProxy(proxy)) {
            proxyFactory = findJdkDynamicProxyFactory(proxy);
        }
        if (AopUtils.isCglibProxy(proxy)) {
            proxyFactory = findCglibProxyFactory(proxy);
        }
        TargetSource targetSource = (TargetSource) ReflectionUtils.getField(ProxyFactory_targetSource_FIELD,
                proxyFactory);
        return AopUtils.isAopProxy(targetSource.getTarget());
    } catch (Exception e) {
        throw new IllegalArgumentException(
                "proxy args maybe not proxy with cglib or jdk dynamic proxy. this method not support", e);
    }
}

From source file:org.socialsignin.spring.data.dynamodb.repository.support.CompositeIdHashAndRangeKeyExtractor.java

@SuppressWarnings("unchecked")
@Override//from w  w  w .  ja v  a2 s.co m
public H getHashKey(ID id) {
    Method method = hashAndRangeKeyMethodExtractor.getHashKeyMethod();
    if (method != null) {
        return (H) ReflectionUtils.invokeMethod(method, id);
    } else {
        return (H) ReflectionUtils.getField(hashAndRangeKeyMethodExtractor.getHashKeyField(), id);
    }
}

From source file:net.prasenjit.auth.validation.FieldMatchValidator.java

/** {@inheritDoc} */
@Override/*from  w ww.  j a v a 2 s.c om*/
public boolean isValid(final Object value, final ConstraintValidatorContext context) {
    try {
        Field field = ReflectionUtils.findField(value.getClass(), firstFieldName);
        ReflectionUtils.makeAccessible(field);
        final Object firstObj = ReflectionUtils.getField(field, value);
        field = ReflectionUtils.findField(value.getClass(), secondFieldName);
        ReflectionUtils.makeAccessible(field);
        final Object secondObj = ReflectionUtils.getField(field, value);

        return firstObj == null && secondObj == null || firstObj != null && firstObj.equals(secondObj);
    } catch (final Exception ignore) {
        // ignore
    }
    return true;
}

From source file:org.socialsignin.spring.data.dynamodb.repository.support.CompositeIdHashAndRangeKeyExtractor.java

@Override
public Object getRangeKey(ID id) {
    Method method = hashAndRangeKeyMethodExtractor.getRangeKeyMethod();
    if (method != null) {
        return ReflectionUtils.invokeMethod(method, id);
    } else {//from  w ww .  ja  v a 2  s. c o m
        return ReflectionUtils.getField(hashAndRangeKeyMethodExtractor.getRangeKeyField(), id);
    }
}

From source file:com.ryantenney.metrics.spring.GaugeFieldAnnotationBeanPostProcessor.java

@Override
protected void withField(final Object bean, String beanName, Class<?> targetClass, final Field field) {
    ReflectionUtils.makeAccessible(field);

    final Gauge annotation = field.getAnnotation(Gauge.class);
    final String metricName = Util.forGauge(targetClass, field, annotation);

    metrics.register(metricName, new com.codahale.metrics.Gauge<Object>() {
        @Override//  w w w.j  a v a 2  s  .c o m
        public Object getValue() {
            Object value = ReflectionUtils.getField(field, bean);
            if (value instanceof com.codahale.metrics.Gauge) {
                value = ((com.codahale.metrics.Gauge<?>) value).getValue();
            }
            return value;
        }
    });

    LOG.debug("Created gauge {} for field {}.{}", metricName, targetClass.getCanonicalName(), field.getName());
}

From source file:py.una.pol.karaku.dao.entity.interceptors.BigDecimalInterceptor.java

@Override
public void intercept(Operation o, Field field, Object bean) {

    BigDecimal value = (BigDecimal) ReflectionUtils.getField(field, bean);
    if (value == null) {
        return;// w w w .  j a  va  2 s .co  m
    }
    if (value.longValue() < 1) {
        value = value.add(BigDecimal.ONE);
    }
    BigDecimal trailed = value.stripTrailingZeros();
    int precision = trailed.scale();
    if (precision > MAXIMUM_PRECISION) {
        throw new KarakuRuntimeException(
                String.format("Attribute '%s' of bean '%s' has a precision of {%d}, maximum allowed is {%d}",
                        field.getName(), bean.getClass().getSimpleName(), precision, MAXIMUM_PRECISION));
    }
}

From source file:com.ciphertool.sentencebuilder.etl.parsers.FrequencyFileParserTest.java

@Test
public void testSetFilename() {
    String fileNameToSet = "arbitraryFileName";
    FrequencyFileParser frequencyFileParser = new FrequencyFileParser();
    frequencyFileParser.setFileName(fileNameToSet);

    Field fileNameField = ReflectionUtils.findField(FrequencyFileParser.class, "fileName");
    ReflectionUtils.makeAccessible(fileNameField);
    String fileNameFromObject = (String) ReflectionUtils.getField(fileNameField, frequencyFileParser);

    assertSame(fileNameToSet, fileNameFromObject);
}

From source file:com.dianping.avatar.cache.util.CacheAnnotationUtils.java

/**
 * Retrieve the cache key values from entity instance
 */// www .j  av  a  2s  .  com
public static Object[] getCacheKeyValues(Object entity) {
    if (entity == null) {
        throw new IllegalArgumentException("Entity is null.");
    }

    Class<?> cz = entity.getClass();

    Cache cache = cz.getAnnotation(Cache.class);

    if (cache == null) {
        throw new SystemException("The entity must be annotated by Cache.");
    }

    Field[] fields = ClassUtils.getDeclaredFields(cz);

    final List<OrderedField> cacheFields = new ArrayList<OrderedField>();

    // Extract annotated fields
    for (int i = 0; i < fields.length; i++) {
        Field f = fields[i];
        CacheParam fCache = f.getAnnotation(CacheParam.class);
        if (fCache != null) {
            cacheFields.add(new OrderedField(f, i, fCache.order()));
        }
    }

    // Extract declared fields
    for (int i = 0; i < cache.fields().length; i++) {
        String fieldName = cache.fields()[i];
        if (fieldName.isEmpty()) {
            continue;
        }
        Field f = ReflectionUtils.findField(cz, fieldName);
        if (f == null) {
            throw new IllegalArgumentException(
                    "Invalid cahce parameter " + fieldName + ", the filed is not exists.");
        }

        cacheFields.add(new OrderedField(f, i, -Integer.MAX_VALUE + i));
    }

    Collections.sort(cacheFields);

    Object[] values = new Object[cacheFields.size()];

    for (int i = 0; i < cacheFields.size(); i++) {
        OrderedField oField = cacheFields.get(i);

        ReflectionUtils.makeAccessible((Field) oField.field);

        values[i] = ReflectionUtils.getField((Field) oField.field, entity);
    }

    return values;
}

From source file:com.ciphertool.sentencebuilder.etl.parsers.PartOfSpeechFileParserTest.java

@Test
public void testSetFilename() {
    String fileNameToSet = "arbitraryFileName";
    PartOfSpeechFileParser partOfSpeechFileParser = new PartOfSpeechFileParser();
    partOfSpeechFileParser.setFileName(fileNameToSet);

    Field fileNameField = ReflectionUtils.findField(PartOfSpeechFileParser.class, "fileName");
    ReflectionUtils.makeAccessible(fileNameField);
    String fileNameFromObject = (String) ReflectionUtils.getField(fileNameField, partOfSpeechFileParser);

    assertSame(fileNameToSet, fileNameFromObject);
}

From source file:com.javaetmoi.core.spring.vfs.Vfs2ResourceHandlerRegistration.java

@Override
protected ResourceHttpRequestHandler getRequestHandler() {
    Field locationsField = ReflectionUtils.findField(ResourceHandlerRegistration.class, "locations");
    ReflectionUtils.makeAccessible(locationsField);
    @SuppressWarnings("unchecked")
    List<Resource> locations = (List<Resource>) ReflectionUtils.getField(locationsField, this);

    Field cachePeriodField = ReflectionUtils.findField(ResourceHandlerRegistration.class, "cachePeriod");
    ReflectionUtils.makeAccessible(cachePeriodField);
    Integer cachePeriod = (Integer) ReflectionUtils.getField(cachePeriodField, this);

    // Initial code is replace by a new Vfs2ResourceHttpRequestHandler()
    Assert.isTrue(!CollectionUtils.isEmpty(locations),
            "At least one location is required for resource handling.");
    ResourceHttpRequestHandler requestHandler = new Vfs2ResourceHttpRequestHandler();
    requestHandler.setLocations(locations);
    if (cachePeriod != null) {
        requestHandler.setCacheSeconds(cachePeriod);
    }//from  ww w . j av  a 2s.c  o  m
    return requestHandler;
}