Example usage for org.springframework.data.redis.serializer SerializationUtils isEmpty

Introduction

In this page you can find the example usage for org.springframework.data.redis.serializer SerializationUtils isEmpty.

Prototype

static boolean isEmpty(@Nullable byte[] data) 

Source Link

Usage

From source file:org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer.java

@SuppressWarnings("unchecked")
public T deserialize(byte[] bytes) throws SerializationException {

    if (SerializationUtils.isEmpty(bytes)) {
        return null;
    }/*w w  w.ja  va2 s .  c om*/
    try {
        return (T) this.objectMapper.readValue(bytes, 0, bytes.length, javaType);
    } catch (Exception ex) {
        throw new SerializationException("Could not read JSON: " + ex.getMessage(), ex);
    }
}

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From source file:org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer.java

/**
 * @param source/*ww  w.  ja  v  a  2s . c o m*/
 *            can be {@literal null}.
 * @param type
 *            must not be {@literal null}.
 * @return {@literal null} for empty source.
 * @throws SerializationException
 */
public <T> T deserialize(byte[] source, Class<T> type) throws SerializationException {

    Assert.notNull(type,
            "Deserialization type must not be null! Pleaes provide Object.class to make use of Jackson2 default typing.");

    if (SerializationUtils.isEmpty(source)) {
        return null;
    }

    try {
        return mapper.readValue(source, type);
    } catch (final Exception ex) {
        throw new SerializationException("Could not read JSON: " + ex.getMessage(), ex);
    }
}

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