package ca.uhn.fhir.jpa.util.jsonpatch;
/*
* #%L
* HAPI FHIR JPA Server
* %%
* Copyright (C) 2014 - 2017 University Health Network
* %%
* 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.
* #L%
*/
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import net.riotopsys.json_patch.JsonPath;
import net.riotopsys.json_patch.operation.AbsOperation;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class CopyOperation extends AbsOperation {
public JsonPath mySourcePath;
public CopyOperation(JsonPath theTargetPath, JsonPath theSourcePath) {
mySourcePath = theSourcePath;
this.path = theTargetPath;
}
@Override
public String getOperationName() {
return "copy";
}
@Override
public JsonElement apply(JsonElement original) {
JsonElement result = duplicate(original);
JsonElement item = path.head().navigate(result);
JsonElement data = mySourcePath.head().navigate(original);
if (item.isJsonObject()) {
item.getAsJsonObject().add(path.tail(), data);
} else if (item.isJsonArray()) {
JsonArray array = item.getAsJsonArray();
int index = (path.tail().equals("-")) ? array.size() : Integer.valueOf(path.tail());
List<JsonElement> temp = new ArrayList<JsonElement>();
Iterator<JsonElement> iter = array.iterator();
while (iter.hasNext()) {
JsonElement stuff = iter.next();
iter.remove();
temp.add(stuff);
}
temp.add(index, data);
for (JsonElement stuff : temp) {
array.add(stuff);
}
}
return result;
}
}