org.apache.inlong.sort.filesystem.shaded.com.amazonaws.services.s3.model.transform.S3KeyFilterStaxUnmarshaller Maven / Gradle / Ivy
/*
* Copyright 2015-2022 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.s3.model.transform;
import javax.xml.stream.events.XMLEvent;
import com.amazonaws.services.s3.model.S3KeyFilter;
import com.amazonaws.transform.StaxUnmarshallerContext;
import com.amazonaws.transform.Unmarshaller;
class S3KeyFilterStaxUnmarshaller implements Unmarshaller {
private static final S3KeyFilterStaxUnmarshaller instance = new S3KeyFilterStaxUnmarshaller();
public static S3KeyFilterStaxUnmarshaller getInstance() {
return instance;
}
private S3KeyFilterStaxUnmarshaller() {
}
@Override
public S3KeyFilter unmarshall(StaxUnmarshallerContext context) throws Exception {
int originalDepth = context.getCurrentDepth();
int targetDepth = originalDepth + 1;
if (context.isStartOfDocument()) {
targetDepth += 1;
}
S3KeyFilter filter = new S3KeyFilter();
while (true) {
XMLEvent xmlEvent = context.nextEvent();
if (xmlEvent.isEndDocument()) {
return filter;
}
if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
if (context.testExpression("FilterRule", targetDepth)) {
filter.addFilterRule(FilterRuleStaxUnmarshaller.getInstance().unmarshall(context));
}
} else if (xmlEvent.isEndElement()) {
if (context.getCurrentDepth() < originalDepth) {
return filter;
}
}
}
}
}