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package vid.automation.test.services;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import vid.automation.test.infra.Features;
import java.io.IOException;
import java.util.Arrays;
import java.util.function.UnaryOperator;
public class DropTestApiField {
public static UnaryOperator<String> dropTestApiFieldFromString() {
return dropFieldFromString("testApi", Features.FLAG_ADD_MSO_TESTAPI_FIELD,
"simulatorRequest", "body", "requestDetails", "requestParameters", "testApi");
}
public static UnaryOperator<String> dropFieldCloudOwnerFromString() {
return dropFieldFromString("cloudOwner", Features.FLAG_ADD_MSO_TESTAPI_FIELD,
"simulatorRequest", "body", "requestDetails", "cloudConfiguration", "cloudOwner");
}
private static UnaryOperator<String> dropFieldFromString(String text, Features featureFlag, String basePath, String... nodes){
if (featureFlag.isActive()) {
// do nothing
return in -> in;
} else {
final ObjectMapper objectMapper = new ObjectMapper();
return in -> {
if (!in.contains(text)) {
// short circuit
return in;
}
try {
final JsonNode tree = objectMapper.readTree(in);
final JsonNode node = tree.path(basePath);
if (removePath(node, nodes) != null) {
// tree modified, write back to string
return objectMapper.writeValueAsString(tree);
} else {
// else...
return in;
}
} catch (IOException e) {
return in;
}
};
}
}
private static JsonNode removePath(JsonNode tree, String... nodes) {
// remove the nodes; remove also the parent, if an empty object was left
// returns the removed node
// returns null if no modification to tree
if (nodes.length > 1) {
final JsonNode node = tree.path(nodes[0]);
final JsonNode removed = removePath(node, Arrays.copyOfRange(nodes, 1, nodes.length));
if (removed != null && node.size() == 0) {
return removePath(tree, nodes[0]);
} else {
return removed; // non-null if node.size() != 0
}
} else {
if (tree instanceof ObjectNode) {
return ((ObjectNode) tree).remove(nodes[0]);
} else {
return null;
}
}
}
}
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