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com.aeontronix.enhancedmule.tools.util.JsonHelper Maven / Gradle / Ivy
/*
* Copyright (c) Aeontronix 2023
*/
package com.aeontronix.enhancedmule.tools.util;
import com.aeontronix.commons.StringUtils;
import com.aeontronix.enhancedmule.tools.anypoint.AnypointObject;
import com.aeontronix.enhancedmule.tools.anypoint.InvalidJsonException;
import com.aeontronix.enhancedmule.tools.anypoint.LegacyAnypointClient;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.TextNode;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.*;
public class JsonHelper implements Serializable {
private LegacyAnypointClient client;
private ObjectMapper jsonMapper;
public JsonHelper(LegacyAnypointClient client) {
this.client = client;
}
public void init(HttpHelper httpHelper) {
jsonMapper = createMapper();
jsonMapper.setInjectableValues(new InjectableValues.Std()
.addValue(JsonHelper.class, this)
.addValue(HttpHelper.class, httpHelper)
.addValue(LegacyAnypointClient.class, client));
}
public static void processVariables(ObjectNode json, HashMap vars) {
LinkedList nodes = new LinkedList<>();
nodes.add(json);
while (!nodes.isEmpty()) {
final JsonNode node = nodes.removeFirst();
if (node != null && !node.isNull()) {
if (node instanceof ObjectNode) {
final Iterator> fields = node.fields();
while (fields.hasNext()) {
Map.Entry field = fields.next();
final JsonNode n = field.getValue();
if (n instanceof TextNode) {
((ObjectNode) node).replace(field.getKey(), new TextNode(StringUtils.substituteVariables(n.textValue(), vars)));
} else if (n instanceof ArrayNode) {
for (JsonNode children : node) {
nodes.addLast(children);
}
} else if (n instanceof ObjectNode) {
nodes.addLast(n);
}
}
} else if (node instanceof ArrayNode) {
final int size = node.size();
for (int i = 0; i < size; i++) {
JsonNode child = node.get(i);
if (child instanceof TextNode) {
final TextNode replacement = new TextNode(StringUtils.substituteVariables(child.textValue(), vars));
((ArrayNode) node).remove(i);
((ArrayNode) node).insert(i, replacement);
} else {
nodes.addLast(child);
}
}
for (JsonNode children : node) {
nodes.addLast(children);
}
}
}
}
}
public static Object getCaseInsensitive(ObjectNode node, String name) {
final Iterator names = node.fieldNames();
while (names.hasNext()) {
String n = names.next();
if(n.equalsIgnoreCase(name)) {
return node.get(n);
}
}
return null;
}
public LegacyAnypointClient getClient() {
return client;
}
public void setClient(LegacyAnypointClient client) {
this.client = client;
}
public ObjectMapper getJsonMapper() {
return jsonMapper;
}
public byte[] toJson(Object obj) {
try (ByteArrayOutputStream tmp = new ByteArrayOutputStream()) {
jsonMapper.writeValue(tmp, obj);
return tmp.toByteArray();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public Map toJsonMap(String json) {
try {
return jsonMapper.readValue(json, new TypeReference>() {
});
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
@SuppressWarnings("unchecked")
public Map toJsonMap(JsonNode node) {
try {
return jsonMapper.treeToValue(node, Map.class);
} catch (JsonProcessingException e) {
throw new InvalidJsonException(e);
}
}
public MapBuilder buildJsonMap() {
return new MapBuilder();
}
public MapBuilder buildJsonMap(Map data) {
return new MapBuilder(null, data);
}
public JsonNode readJsonTree(String json) {
try {
return jsonMapper.readTree(json);
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
public X readJson(X obj, String json, String jsonPath) {
try {
return readJson(obj, jsonMapper.readerForUpdating(obj).readTree(json).at(jsonPath));
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
public X readJson(X obj, String json) {
return readJson(obj, json, (AnypointObject) null);
}
@SuppressWarnings("unchecked")
public X readJson(X obj, String json, AnypointObject parent) {
try {
jsonMapper.readerForUpdating(obj).readValue(json);
if (obj instanceof AnypointObject) {
((AnypointObject) obj).setJson(json);
if (parent != null) {
((AnypointObject) obj).setParent(parent);
}
}
return obj;
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
@SuppressWarnings("unchecked")
public X readJson(Class objClass, JsonNode node, AnypointObject parent) {
try {
Object obj = jsonMapper.treeToValue(node, objClass);
if (obj instanceof AnypointObject) {
((AnypointObject) obj).setJson(node.toString());
((AnypointObject) obj).setParent(parent);
}
return (X) obj;
} catch (JsonProcessingException e) {
throw new InvalidJsonException(e);
}
}
@SuppressWarnings("unchecked")
public X readJson(Class objClass, JsonNode node, LegacyAnypointClient client) {
try {
Object obj = jsonMapper.treeToValue(node, objClass);
return (X) obj;
} catch (JsonProcessingException e) {
throw new InvalidJsonException(e);
}
}
@SuppressWarnings("unchecked")
public List readJsonList(Class objClass, String json, AnypointObject parent) {
return readJsonList(objClass, json, parent, null);
}
@SuppressWarnings("unchecked")
public List readJsonList(Class objClass, String json, AnypointObject parent, String path) {
try {
ArrayList list = new ArrayList<>();
JsonNode node = jsonMapper.readTree(json);
if (path != null) {
node = node.at(path);
}
for (JsonNode n : node) {
list.add(readJson(objClass, n, parent));
}
return list;
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
public X readJson(X obj, JsonNode node) {
try {
jsonMapper.readerForUpdating(obj).readValue(node);
if (obj instanceof AnypointObject) {
((AnypointObject) obj).setJson(node.toString());
}
return obj;
} catch (IOException e) {
throw new InvalidJsonException(e);
}
}
public class MapBuilder {
private MapBuilder parent;
private Map request;
public MapBuilder() {
request = new HashMap<>();
}
public MapBuilder(MapBuilder parent, Map request) {
this.parent = parent;
this.request = request;
}
public MapBuilder set(String key, Object value) {
request.put(key, value);
return this;
}
public MapBuilder setNested(String nestKey, String key, Object value) {
HashMap nestedMap = new HashMap<>();
nestedMap.put(key, value);
request.put(nestKey, nestedMap);
return this;
}
public Map toMap() {
if (parent != null) {
return parent.toMap();
} else {
return request;
}
}
public MapBuilder addMap(String name) {
HashMap subMap = new HashMap<>();
request.put(name, subMap);
return new MapBuilder(this, subMap);
}
}
public static ObjectMapper createMapper() {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enable(MapperFeature.ACCEPT_CASE_INSENSITIVE_ENUMS);
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.registerModule(new JavaTimeModule());
return objectMapper;
}
public static boolean isNull(JsonNode node) {
return node == null || node.isNull();
}
public static boolean isNotNull(JsonNode node) {
return !isNull(node);
}
public static String getText(JsonNode node, String name) {
if (isNotNull(node)) {
final JsonNode val = node.get(name);
if (isNotNull(val)) {
return val.textValue();
}
}
return null;
}
public static ObjectNode toObjectNode(JsonNode node) {
if (node == null || node.isNull()) {
return null;
} else {
return (ObjectNode) node;
}
}
}
