/*
* Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.amazonaws.services.dynamodbv2.model.transform;
import static com.amazonaws.util.StringUtils.UTF8;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
import com.amazonaws.AmazonClientException;
import com.amazonaws.Request;
import com.amazonaws.DefaultRequest;
import com.amazonaws.http.HttpMethodName;
import com.amazonaws.services.dynamodbv2.model.*;
import com.amazonaws.transform.Marshaller;
import com.amazonaws.util.BinaryUtils;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.StringInputStream;
import com.amazonaws.util.json.AwsJsonWriter;
import com.amazonaws.util.json.JsonUtils;
/**
* JSON request marshaller for BatchWriteItemRequest
*/
public class BatchWriteItemRequestMarshaller implements
Marshaller<Request<BatchWriteItemRequest>, BatchWriteItemRequest> {
public Request<BatchWriteItemRequest> marshall(BatchWriteItemRequest batchWriteItemRequest) {
if (batchWriteItemRequest == null) {
throw new AmazonClientException(
"Invalid argument passed to marshall(BatchWriteItemRequest)");
}
Request<BatchWriteItemRequest> request = new DefaultRequest<BatchWriteItemRequest>(
batchWriteItemRequest, "AmazonDynamoDB");
String target = "DynamoDB_20120810.BatchWriteItem";
request.addHeader("X-Amz-Target", target);
request.setHttpMethod(HttpMethodName.POST);
String uriResourcePath = "/";
request.setResourcePath(uriResourcePath);
try {
StringWriter stringWriter = new StringWriter();
AwsJsonWriter jsonWriter = JsonUtils.getJsonWriter(stringWriter);
jsonWriter.beginObject();
if (batchWriteItemRequest.getRequestItems() != null) {
java.util.Map<String, java.util.List<WriteRequest>> requestItems = batchWriteItemRequest
.getRequestItems();
jsonWriter.name("RequestItems");
jsonWriter.beginObject();
for (java.util.Map.Entry<String, java.util.List<WriteRequest>> requestItemsEntry : requestItems
.entrySet()) {
java.util.List<WriteRequest> requestItemsValue = requestItemsEntry.getValue();
if (requestItemsValue != null) {
jsonWriter.name(requestItemsEntry.getKey());
jsonWriter.beginArray();
for (WriteRequest requestItemsValueItem : requestItemsValue) {
if (requestItemsValueItem != null) {
WriteRequestJsonMarshaller.getInstance().marshall(
requestItemsValueItem, jsonWriter);
}
}
jsonWriter.endArray();
}
}
jsonWriter.endObject();
}
if (batchWriteItemRequest.getReturnConsumedCapacity() != null) {
String returnConsumedCapacity = batchWriteItemRequest.getReturnConsumedCapacity();
jsonWriter.name("ReturnConsumedCapacity");
jsonWriter.value(returnConsumedCapacity);
}
if (batchWriteItemRequest.getReturnItemCollectionMetrics() != null) {
String returnItemCollectionMetrics = batchWriteItemRequest
.getReturnItemCollectionMetrics();
jsonWriter.name("ReturnItemCollectionMetrics");
jsonWriter.value(returnItemCollectionMetrics);
}
jsonWriter.endObject();
jsonWriter.close();
String snippet = stringWriter.toString();
byte[] content = snippet.getBytes(UTF8);
request.setContent(new StringInputStream(snippet));
request.addHeader("Content-Length", Integer.toString(content.length));
} catch (Throwable t) {
throw new AmazonClientException(
"Unable to marshall request to JSON: " + t.getMessage(), t);
}
if (!request.getHeaders().containsKey("Content-Type")) {
request.addHeader("Content-Type", "application/x-amz-json-1.0");
}
return request;
}
}