Example usage for com.amazonaws.util.json Jackson fromJsonString

Introduction

In this page you can find the example usage for com.amazonaws.util.json Jackson fromJsonString.

Prototype

public static <T> T fromJsonString(String json, Class<T> clazz) 

Source Link

Document

Returns the deserialized object from the given json string and target class; or null if the given json string is null.

Usage

From source file:com.easarrive.aws.client.cloudsearch.AmazonCloudSearchClient.java

License:Open Source License

/**
 * Execute a search and return result.//w  ww. ja va  2  s. c o m
 *
 * @param query search query to be executed.
 * @return result of the search.
 * @throws AmazonCloudSearchRequestException
 * @throws IllegalStateException
 * @throws AmazonCloudSearchInternalServerException
 */
public AmazonCloudSearchResult search(AmazonCloudSearchQuery query) throws IllegalStateException,
        AmazonCloudSearchRequestException, AmazonCloudSearchInternalServerException {
    if (this.getSearchEndpoint() == null || this.getSearchEndpoint().trim().length() < 1) {
        throw new AmazonCloudSearchRequestException("URI is null.");
    }
    AmazonCloudSearchResult result = null;
    String responseBody = null;
    try {
        Response response = Request
                .Get("https://" + this.getSearchEndpoint() + "/2013-01-01/search?" + query.build())
                .useExpectContinue().version(HttpVersion.HTTP_1_1)
                .addHeader("Content-Type", ContentType.APPLICATION_JSON.getMimeType())
                .addHeader("Accept", ContentType.APPLICATION_JSON.getMimeType()).execute();

        HttpResponse resp = response.returnResponse();
        int statusCode = resp.getStatusLine().getStatusCode();
        int statusType = statusCode / 100;
        if (statusType == 4) {
            throw new AmazonCloudSearchRequestException(statusCode + "", responseBody);
        } else if (statusType == 5) {
            throw new AmazonCloudSearchInternalServerException(
                    "Internal Server Error. Please try again as this might be a transient error condition.");
        }

        responseBody = inputStreamToString(resp.getEntity().getContent());
        result = Jackson.fromJsonString(responseBody, AmazonCloudSearchResult.class);
    } catch (ClientProtocolException e) {
        throw new AmazonCloudSearchInternalServerException(e);
    } catch (IOException e) {
        throw new AmazonCloudSearchInternalServerException(e);
    } catch (Exception e) {
        throw new AmazonCloudSearchInternalServerException(e);
    }

    return result;
}

---

From source file:com.example.RedshiftBasicExecutor.java

License:Open Source License

@Override
public KinesisConnectorRecordProcessorFactory<KinesisMessageModel, byte[]> getKinesisConnectorRecordProcessorFactory(
        String content) {/*  www.  ja  va 2  s.  c  o m*/
    KinesisMessageModel message = Jackson.fromJsonString(content, KinesisMessageModel.class);
    return new KinesisConnectorRecordProcessorFactory<>(new RedshiftBasicPipeline(message), config);
}

---

From source file:org.alanwilliamson.amazon.lambda.LambdaExecute.java

License:Open Source License

/**
 * Executes a lambda function and returns the result of the execution.
 *///  ww  w  .j  a v a  2s .co  m
@Override
public cfData execute(cfSession _session, cfArgStructData argStruct) throws cfmRunTimeException {

    AmazonKey amazonKey = getAmazonKey(_session, argStruct);

    // Arguments to extract
    String payload = getNamedStringParam(argStruct, "payload", null);
    String functionName = getNamedStringParam(argStruct, "function", null);
    String qualifier = getNamedStringParam(argStruct, "qualifier", null);

    try {

        // Construct the Lambda Client
        InvokeRequest invokeRequest = new InvokeRequest();
        invokeRequest.setInvocationType(InvocationType.RequestResponse);
        invokeRequest.setLogType(LogType.Tail);
        invokeRequest.setFunctionName(functionName);
        invokeRequest.setPayload(payload);
        if (qualifier != null) {
            invokeRequest.setQualifier(qualifier);
        }

        // Lambda client must be created with credentials
        BasicAWSCredentials awsCreds = new BasicAWSCredentials(amazonKey.getKey(), amazonKey.getSecret());
        AWSLambda awsLambda = AWSLambdaClientBuilder.standard()
                .withRegion(amazonKey.getAmazonRegion().toAWSRegion().getName())
                .withCredentials(new AWSStaticCredentialsProvider(awsCreds)).build();

        // Execute and process the results
        InvokeResult result = awsLambda.invoke(invokeRequest);

        // Convert the returned result
        ByteBuffer resultPayload = result.getPayload();
        String resultJson = new String(resultPayload.array(), "UTF-8");
        Map<String, Object> resultMap = Jackson.fromJsonString(resultJson, Map.class);

        return tagUtils.convertToCfData(resultMap);

    } catch (Exception e) {
        throwException(_session, "AmazonLambdaExecute: " + e.getMessage());
        return cfBooleanData.FALSE;
    }

}

---