com.amazonaws.services.dynamodbv2.model.transform.DeleteItemRequestMarshaller Maven / Gradle / Ivy
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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service
/*
* Copyright 2012-2017 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 java.io.ByteArrayInputStream;
import java.util.Map;
import javax.annotation.Generated;
import com.amazonaws.SdkClientException;
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.protocol.json.*;
/**
* DeleteItemRequest Marshaller
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public class DeleteItemRequestMarshaller implements Marshaller, DeleteItemRequest> {
private final SdkJsonMarshallerFactory protocolFactory;
public DeleteItemRequestMarshaller(SdkJsonMarshallerFactory protocolFactory) {
this.protocolFactory = protocolFactory;
}
public Request marshall(DeleteItemRequest deleteItemRequest) {
if (deleteItemRequest == null) {
throw new SdkClientException("Invalid argument passed to marshall(...)");
}
Request request = new DefaultRequest(deleteItemRequest, "AmazonDynamoDBv2");
request.addHeader("X-Amz-Target", "DynamoDB_20120810.DeleteItem");
request.setHttpMethod(HttpMethodName.POST);
request.setResourcePath("");
try {
final StructuredJsonGenerator jsonGenerator = protocolFactory.createGenerator();
jsonGenerator.writeStartObject();
if (deleteItemRequest.getTableName() != null) {
jsonGenerator.writeFieldName("TableName").writeValue(deleteItemRequest.getTableName());
}
java.util.Map keyMap = deleteItemRequest.getKey();
if (keyMap != null) {
jsonGenerator.writeFieldName("Key");
jsonGenerator.writeStartObject();
for (Map.Entry keyMapValue : keyMap.entrySet()) {
if (keyMapValue.getValue() != null) {
jsonGenerator.writeFieldName(keyMapValue.getKey());
AttributeValueJsonMarshaller.getInstance().marshall(keyMapValue.getValue(), jsonGenerator);
}
}
jsonGenerator.writeEndObject();
}
java.util.Map expectedMap = deleteItemRequest.getExpected();
if (expectedMap != null) {
jsonGenerator.writeFieldName("Expected");
jsonGenerator.writeStartObject();
for (Map.Entry expectedMapValue : expectedMap.entrySet()) {
if (expectedMapValue.getValue() != null) {
jsonGenerator.writeFieldName(expectedMapValue.getKey());
ExpectedAttributeValueJsonMarshaller.getInstance().marshall(expectedMapValue.getValue(), jsonGenerator);
}
}
jsonGenerator.writeEndObject();
}
if (deleteItemRequest.getConditionalOperator() != null) {
jsonGenerator.writeFieldName("ConditionalOperator").writeValue(deleteItemRequest.getConditionalOperator());
}
if (deleteItemRequest.getReturnValues() != null) {
jsonGenerator.writeFieldName("ReturnValues").writeValue(deleteItemRequest.getReturnValues());
}
if (deleteItemRequest.getReturnConsumedCapacity() != null) {
jsonGenerator.writeFieldName("ReturnConsumedCapacity").writeValue(deleteItemRequest.getReturnConsumedCapacity());
}
if (deleteItemRequest.getReturnItemCollectionMetrics() != null) {
jsonGenerator.writeFieldName("ReturnItemCollectionMetrics").writeValue(deleteItemRequest.getReturnItemCollectionMetrics());
}
if (deleteItemRequest.getConditionExpression() != null) {
jsonGenerator.writeFieldName("ConditionExpression").writeValue(deleteItemRequest.getConditionExpression());
}
java.util.Map expressionAttributeNamesMap = deleteItemRequest.getExpressionAttributeNames();
if (expressionAttributeNamesMap != null) {
jsonGenerator.writeFieldName("ExpressionAttributeNames");
jsonGenerator.writeStartObject();
for (Map.Entry expressionAttributeNamesMapValue : expressionAttributeNamesMap.entrySet()) {
if (expressionAttributeNamesMapValue.getValue() != null) {
jsonGenerator.writeFieldName(expressionAttributeNamesMapValue.getKey());
jsonGenerator.writeValue(expressionAttributeNamesMapValue.getValue());
}
}
jsonGenerator.writeEndObject();
}
java.util.Map expressionAttributeValuesMap = deleteItemRequest.getExpressionAttributeValues();
if (expressionAttributeValuesMap != null) {
jsonGenerator.writeFieldName("ExpressionAttributeValues");
jsonGenerator.writeStartObject();
for (Map.Entry expressionAttributeValuesMapValue : expressionAttributeValuesMap.entrySet()) {
if (expressionAttributeValuesMapValue.getValue() != null) {
jsonGenerator.writeFieldName(expressionAttributeValuesMapValue.getKey());
AttributeValueJsonMarshaller.getInstance().marshall(expressionAttributeValuesMapValue.getValue(), jsonGenerator);
}
}
jsonGenerator.writeEndObject();
}
jsonGenerator.writeEndObject();
byte[] content = jsonGenerator.getBytes();
request.setContent(new ByteArrayInputStream(content));
request.addHeader("Content-Length", Integer.toString(content.length));
request.addHeader("Content-Type", protocolFactory.getContentType());
} catch (Throwable t) {
throw new SdkClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
}
return request;
}
}