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TaggingHeaderConverter.java
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TaggingHeaderConverter.java
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/*
* Copyright 2017-2023 Adobe.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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.adobe.testing.s3mock;
import com.adobe.testing.s3mock.dto.Tag;
import com.adobe.testing.s3mock.util.AwsHttpHeaders;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.springframework.core.convert.converter.Converter;
import org.springframework.lang.NonNull;
import org.springframework.lang.Nullable;
/**
* Converts values of the {@link AwsHttpHeaders#X_AMZ_TAGGING} which is sent by the Amazon client.
* Example: x-amz-tagging: tag1=value1&tag2=value2
* <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/object-tagging.html">API Reference</a>
* <a href="https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObject.html">API Reference</a>
*/
class TaggingHeaderConverter implements Converter<String, List<Tag>> {
@Override
@Nullable
public List<Tag> convert(@NonNull String source) {
var tags = new ArrayList<Tag>();
String[] tagPairs = StringUtils.split(source, '&');
for (String tag : tagPairs) {
tags.add(new Tag(tag));
}
return tags.isEmpty() ? null : tags;
}
}