Example usage for org.springframework.http HttpInputMessage HttpInputMessage

Introduction

In this page you can find the example usage for org.springframework.http HttpInputMessage HttpInputMessage.

Prototype

HttpInputMessage

Source Link

Usage

From source file:org.geoserver.opensearch.rest.AbstractOpenSearchController.java

@SuppressWarnings("unchecked")
protected <T> T parseJSON(Class<T> clazz, byte[] rawData) throws IOException {
    T links = (T) jsonConverter.read(clazz, new HttpInputMessage() {

        @Override/*from w  w  w. j a  v  a  2  s.c  o m*/
        public HttpHeaders getHeaders() {
            return new HttpHeaders();
        }

        @Override
        public InputStream getBody() throws IOException {
            return new ByteArrayInputStream(rawData);
        }
    });
    return links;
}

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From source file:org.springframework.data.keyvalue.riak.core.AbstractRiakTemplate.java

@SuppressWarnings({ "unchecked" })
protected <T> RiakValue<T> extractValue(final ResponseEntity<?> response, Class<?> origType,
        Class<T> requiredType) throws IOException {
    if (response.hasBody()) {
        RiakMetaData meta = extractMetaData(response.getHeaders());
        Object o = response.getBody();
        if (!origType.equals(requiredType)) {
            if (conversionService.canConvert(origType, requiredType)) {
                o = conversionService.convert(o, requiredType);
            } else {
                if (o instanceof byte[] || o instanceof String) {
                    // Peek inside, see if it's a string of something we recognize
                    String s = (o instanceof byte[] ? new String((byte[]) o) : (String) o);
                    if (s.charAt(0) == '{' || s.charAt(0) == '[') {
                        // Looks like it might be a JSON string. Use the JSON converter
                        for (HttpMessageConverter conv : getRestTemplate().getMessageConverters()) {
                            if (conv instanceof MappingJacksonHttpMessageConverter) {
                                o = conv.read(requiredType, new HttpInputMessage() {
                                    public InputStream getBody() throws IOException {
                                        Object body = response.getBody();
                                        return new ByteArrayInputStream((body instanceof byte[] ? (byte[]) body
                                                : ((String) body).getBytes()));
                                    }/*w  w w.  j ava  2s .c o m*/

                                    public HttpHeaders getHeaders() {
                                        return response.getHeaders();
                                    }
                                });
                                break;
                            }
                        }

                    }
                } else {
                    throw new DataStoreOperationException(
                            "Cannot convert object of type " + origType + " to type " + requiredType);
                }
            }
        }
        return new RiakValue<T>((T) o, meta);
    }
    return null;
}

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