Example usage for org.springframework.kafka.support.converter ConversionException ConversionException

Introduction

In this page you can find the example usage for org.springframework.kafka.support.converter ConversionException ConversionException.

Prototype

public ConversionException(String message, Throwable cause) 

Source Link

Usage

From source file:org.springframework.kafka.support.converter.StringJsonMessageConverter.java

@Override
protected Object convertPayload(Message<?> message) {
    try {//from   w ww  .  j a va2s .c  om
        return this.objectMapper.writeValueAsString(message.getPayload());
    } catch (JsonProcessingException e) {
        throw new ConversionException("Failed to convert to JSON", e);
    }
}

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From source file:org.springframework.kafka.support.converter.StringJsonMessageConverter.java

@Override
protected Object extractAndConvertValue(ConsumerRecord<?, ?> record, Type type) {
    JavaType javaType = TypeFactory.defaultInstance().constructType(type);
    Object value = record.value();
    if (value instanceof String) {
        try {/*from   w w  w  .ja v a 2s  .co  m*/
            return this.objectMapper.readValue((String) value, javaType);
        } catch (IOException e) {
            throw new ConversionException("Failed to convert from JSON", e);
        }
    } else if (value instanceof byte[]) {
        try {
            return this.objectMapper.readValue((byte[]) value, javaType);
        } catch (IOException e) {
            throw new ConversionException("Failed to convert from JSON", e);
        }
    } else {
        throw new IllegalStateException("Only String or byte[] supported");
    }
}

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