com.amazonaws.services.dynamodbv2.model.transform.BatchWriteItemRequestMarshaller Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-dynamodb Show documentation
Show all versions of aws-java-sdk-dynamodb Show documentation
The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service
/*
* Copyright 2010-2014 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 static com.amazonaws.util.StringUtils.COMMA_SEPARATOR;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.regex.Pattern;
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.*;
/**
* Batch Write Item Request Marshaller
*/
public class BatchWriteItemRequestMarshaller implements Marshaller, BatchWriteItemRequest> {
public Request marshall(BatchWriteItemRequest batchWriteItemRequest) {
if (batchWriteItemRequest == null) {
throw new AmazonClientException("Invalid argument passed to marshall(...)");
}
Request request = new DefaultRequest(batchWriteItemRequest, "AmazonDynamoDBv2");
String target = "DynamoDB_20120810.BatchWriteItem";
request.addHeader("X-Amz-Target", target);
request.setHttpMethod(HttpMethodName.POST);
request.setResourcePath("");
try {
StringWriter stringWriter = new StringWriter();
JSONWriter jsonWriter = new JSONWriter(stringWriter);
jsonWriter.object();
if (batchWriteItemRequest.getRequestItems() != null) {
jsonWriter.key("RequestItems");
jsonWriter.object();
for (Map.Entry> requestItemsListValue : batchWriteItemRequest.getRequestItems().entrySet()) {
if (requestItemsListValue.getValue() != null) {
jsonWriter.key(requestItemsListValue.getKey());
jsonWriter.array();
for (WriteRequest valueListValue : requestItemsListValue.getValue()) {
if (valueListValue != null) {
jsonWriter.object();
PutRequest putRequest = valueListValue.getPutRequest();
if (putRequest != null) {
jsonWriter.key("PutRequest");
jsonWriter.object();
if (putRequest.getItem() != null) {
jsonWriter.key("Item");
jsonWriter.object();
for (Map.Entry itemListValue : putRequest.getItem().entrySet()) {
if (itemListValue.getValue() != null) {
jsonWriter.key(itemListValue.getKey());
AttributeValueJsonMarshaller.getInstance().marshall(itemListValue.getValue(), jsonWriter);
}
}
jsonWriter.endObject();
}
jsonWriter.endObject();
}
DeleteRequest deleteRequest = valueListValue.getDeleteRequest();
if (deleteRequest != null) {
jsonWriter.key("DeleteRequest");
jsonWriter.object();
if (deleteRequest.getKey() != null) {
jsonWriter.key("Key");
jsonWriter.object();
for (Map.Entry keyListValue : deleteRequest.getKey().entrySet()) {
if (keyListValue.getValue() != null) {
jsonWriter.key(keyListValue.getKey());
AttributeValueJsonMarshaller.getInstance().marshall(keyListValue.getValue(), jsonWriter);
}
}
jsonWriter.endObject();
}
jsonWriter.endObject();
}
jsonWriter.endObject();
}
}
jsonWriter.endArray();
}
}
jsonWriter.endObject();
}
if (batchWriteItemRequest.getReturnConsumedCapacity() != null) {
jsonWriter.key("ReturnConsumedCapacity").value(batchWriteItemRequest.getReturnConsumedCapacity());
}
if (batchWriteItemRequest.getReturnItemCollectionMetrics() != null) {
jsonWriter.key("ReturnItemCollectionMetrics").value(batchWriteItemRequest.getReturnItemCollectionMetrics());
}
jsonWriter.endObject();
String snippet = stringWriter.toString();
byte[] content = snippet.getBytes(UTF8);
request.setContent(new StringInputStream(snippet));
request.addHeader("Content-Length", Integer.toString(content.length));
request.addHeader("Content-Type", "application/x-amz-json-1.0");
} catch(Throwable t) {
throw new AmazonClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
}
return request;
}
}