82 lines
2.2 KiB
Java
82 lines
2.2 KiB
Java
package eu.eudat.logic.utilities.json;
|
|
|
|
import com.fasterxml.jackson.databind.JsonNode;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Iterator;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
|
|
public class JsonSearcher {
|
|
|
|
public static List<JsonNode> findNodes(JsonNode root, String key, String value) {
|
|
return findNodes(root, key, value, false);
|
|
}
|
|
|
|
public static List<JsonNode> findNodes(JsonNode root, String key, String value, boolean parent) {
|
|
List<JsonNode> nodes = new ArrayList<>();
|
|
for (Iterator<JsonNode> it = root.elements(); it.hasNext(); ) {
|
|
JsonNode node = it.next();
|
|
int found = 0;
|
|
for (Iterator<String> iter = node.fieldNames(); iter.hasNext(); ) {
|
|
String fieldName = iter.next();
|
|
if (fieldName.equals(key)) {
|
|
if (node.get(fieldName).asText().equals(value) || node.get(fieldName).asText().startsWith(value)) {
|
|
if (parent) {
|
|
nodes.add(root);
|
|
} else {
|
|
nodes.add(node);
|
|
}
|
|
found++;
|
|
}
|
|
else if(node.get(fieldName).isArray()){
|
|
for(JsonNode item: node.get(fieldName)){
|
|
if(item.asText().equals(value) || item.asText().startsWith(value)){
|
|
if (parent) {
|
|
nodes.add(root);
|
|
} else {
|
|
nodes.add(node);
|
|
}
|
|
found++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
if (found == 0) {
|
|
nodes.addAll(findNodes(node, key, value, parent));
|
|
}
|
|
}
|
|
return nodes;
|
|
}
|
|
|
|
public static List<String> getParentValues(JsonNode root, String childValue, String key) {
|
|
List<String> values = new LinkedList<>();
|
|
|
|
for (Iterator<JsonNode> it = root.elements(); it.hasNext(); ) {
|
|
JsonNode node = it.next();
|
|
int found = 0;
|
|
for (Iterator<String> iter = node.fieldNames(); iter.hasNext(); ) {
|
|
String fieldName = iter.next();
|
|
if (fieldName.equals(key)) {
|
|
if (node.get(fieldName).asText().equals(childValue) || node.get(fieldName).asText().startsWith(childValue)) {
|
|
values.add(childValue);
|
|
found++;
|
|
}
|
|
}
|
|
|
|
}
|
|
if (found == 0) {
|
|
values.addAll(getParentValues(node, childValue, key));
|
|
if (!values.isEmpty() && node.has(key)) {
|
|
values.add(node.get(key).asText());
|
|
values.remove(childValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
return values;
|
|
}
|
|
}
|