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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 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.so.client.graphinventory;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import org.onap.so.client.aai.AAICommonObjectMapperPatchProvider;
import org.onap.so.client.aai.AAICommonObjectMapperProvider;
import org.onap.so.client.graphinventory.exceptions.GraphInventoryPatchDepthExceededException;
import org.onap.so.jsonpath.JsonPathUtil;
import com.fasterxml.jackson.core.JsonProcessingException;
public class GraphInventoryPatchConverter {
private static final AAICommonObjectMapperProvider standardProvider = new AAICommonObjectMapperProvider();
private static final AAICommonObjectMapperPatchProvider patchProvider = new AAICommonObjectMapperPatchProvider();
private static final Pattern LOCATE_COMPLEX_OBJECT =
Pattern.compile("^((?!relationship-list).)+?\\['[^\\[\\]]+?'\\]$");
public String convertPatchFormat(Object obj) {
return validatePatchObject(marshallObjectToPatchFormat(obj));
}
public String validatePatchObject(String payload) {
if (hasComplexObject(payload)) {
throw new GraphInventoryPatchDepthExceededException(payload);
}
return payload;
}
/**
* validates client side that json does not include any complex objects relationship-list is omitted from this
* validation
*/
protected boolean hasComplexObject(String json) {
if (json.isEmpty()) {
return false;
}
String complex = "$.*.*";
String array = "$.*.*.*";
List<String> result = JsonPathUtil.getInstance().getPathList(json, complex);
List<String> result2 = JsonPathUtil.getInstance().getPathList(json, array);
result.addAll(result2);
return result.stream().anyMatch(item -> LOCATE_COMPLEX_OBJECT.matcher(item).find());
}
protected String marshallObjectToPatchFormat(Object obj) {
Object value = obj;
try {
if (!(obj instanceof Map || obj instanceof String)) {
value = patchProvider.getMapper().writeValueAsString(obj);
} else if (obj instanceof Map) {
value = standardProvider.getMapper().writeValueAsString(obj);
}
} catch (JsonProcessingException e) {
value = "{}";
}
return (String) value;
}
}
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