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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. 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.
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.transforms;
import com.bazaarvoice.jolt.Chainr;
import com.bazaarvoice.jolt.JsonUtils;
import java.util.List;
import org.json.JSONObject;
import org.json.XML;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class XmlFormatTransformer {
private static final Logger LOGGER = LoggerFactory.getLogger(XmlFormatTransformer.class);
private static final String RESULT_WITH_QUOTES = "\"result\"";
private static final String RESULTS_STRING = "results";
private Chainr chainr;
public XmlFormatTransformer() {
List<Object> spec = JsonUtils.classpathToList("/specs/transform-related-to-node.json");
this.chainr = Chainr.fromSpec(spec);
}
public String transform(String input) {
Object transformedOutput;
if (!input.contains(RESULT_WITH_QUOTES)) {
Object inputMap = JsonUtils.jsonToMap(input);
transformedOutput = chainr.transform(inputMap);
JSONObject jsonObject;
if (transformedOutput == null) {
LOGGER.debug("For the input {}, unable to transform it so returning null", input);
jsonObject = new JSONObject();
} else {
jsonObject = new JSONObject(JsonUtils.toJsonString(transformedOutput));
}
return XML.toString(jsonObject, RESULTS_STRING);
} else {
// If the json is already conforming to the following format
// {"results":[{"results":"v[2]"}]}
// Then no transformation is required
return XML.toString(new JSONObject(input));
}
}
}
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