com.amazonaws.services.dynamodbv2.model.transform.KeysAndAttributesJsonUnmarshaller Maven / Gradle / Ivy
/*
* Copyright 2010-2018 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 com.amazonaws.services.dynamodbv2.model.*;
import com.amazonaws.transform.SimpleTypeJsonUnmarshallers.*;
import com.amazonaws.transform.*;
import com.amazonaws.util.json.AwsJsonReader;
/**
* JSON unmarshaller for POJO KeysAndAttributes
*/
class KeysAndAttributesJsonUnmarshaller implements
Unmarshaller {
public KeysAndAttributes unmarshall(JsonUnmarshallerContext context) throws Exception {
AwsJsonReader reader = context.getReader();
if (!reader.isContainer()) {
reader.skipValue();
return null;
}
KeysAndAttributes keysAndAttributes = new KeysAndAttributes();
reader.beginObject();
while (reader.hasNext()) {
String name = reader.nextName();
if (name.equals("Keys")) {
keysAndAttributes
.setKeys(new ListUnmarshaller>(
new MapUnmarshaller(AttributeValueJsonUnmarshaller
.getInstance()
)
)
.unmarshall(context));
} else if (name.equals("AttributesToGet")) {
keysAndAttributes.setAttributesToGet(new ListUnmarshaller(
StringJsonUnmarshaller.getInstance()
)
.unmarshall(context));
} else if (name.equals("ConsistentRead")) {
keysAndAttributes.setConsistentRead(BooleanJsonUnmarshaller.getInstance()
.unmarshall(context));
} else if (name.equals("ProjectionExpression")) {
keysAndAttributes.setProjectionExpression(StringJsonUnmarshaller.getInstance()
.unmarshall(context));
} else if (name.equals("ExpressionAttributeNames")) {
keysAndAttributes.setExpressionAttributeNames(new MapUnmarshaller(
StringJsonUnmarshaller.getInstance()
)
.unmarshall(context));
} else {
reader.skipValue();
}
}
reader.endObject();
return keysAndAttributes;
}
private static KeysAndAttributesJsonUnmarshaller instance;
public static KeysAndAttributesJsonUnmarshaller getInstance() {
if (instance == null)
instance = new KeysAndAttributesJsonUnmarshaller();
return instance;
}
}