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Rinjae
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package com.eactive.eai.util.json;
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import java.util.Map;
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import com.eactive.eai.common.util.Logger;
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import com.eactive.eai.util.json.transformer.ValueTransformer;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.jayway.jsonpath.Configuration;
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import com.jayway.jsonpath.DocumentContext;
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import com.jayway.jsonpath.JsonPath;
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import com.jayway.jsonpath.spi.json.JacksonJsonNodeJsonProvider;
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import com.jayway.jsonpath.spi.mapper.JacksonMappingProvider;
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public class JsonPathsTransform {
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static Logger logger = Logger.getLogger(Logger.LOGGER_ADAPTER);
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private static final ObjectMapper objectMapper = new ObjectMapper();
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public static <T, R> String modifyValuesAtPaths(String jsonString,
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Map<String, ValueTransformer<T, R>> pathTransformerMap, boolean isPretty) {
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String path = null;
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// DocumentContext documentContext = JsonPath.parse(jsonString);
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// 변경헤도 별차이가 없음.
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Configuration conf = Configuration.builder()
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.jsonProvider(new JacksonJsonNodeJsonProvider())
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.mappingProvider(new JacksonMappingProvider())
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.build();
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DocumentContext documentContext = JsonPath.using(conf).parse(jsonString);
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for (Map.Entry<String, ValueTransformer<T, R>> entry : pathTransformerMap.entrySet()) {
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try {
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path = entry.getKey();
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ValueTransformer<T, R> transformer = entry.getValue();
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// 현재 값 추출
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T currentValue = (T) documentContext.read(path, String.class);
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// 변환기 통해 새 값 생성
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R newValue = transformer.transform(currentValue);
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// 새로운 값으로 설정
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documentContext.set(path, newValue);
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if (logger.isDebug()) {
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// FIXME : kbank - 로그내용 수정
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String encLog = transformer.getClass().getName() + " : "
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+ String.format("path=%s, orgText[%s] plain[%s] newText[%s]", path, currentValue,
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transformer.getProperty("PLAIN_VALUE"), newValue);
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System.out.println(encLog);
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logger.debug(encLog);
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}
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} catch (Exception e) {
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logger.error("SKIP ERROR jsonpath=" + path, e);
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}
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}
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return printJson(documentContext.jsonString(), isPretty);
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}
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// JSON을 pretty하게 출력하는 메서드
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private static String printJson(String jsonString, boolean isPretty) {
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try {
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Object jsonObject = objectMapper.readValue(jsonString, Object.class);
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if (isPretty) {
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return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(jsonObject);
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} else {
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return objectMapper.writeValueAsString(jsonObject);
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}
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} catch (JsonProcessingException e) {
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return jsonString;
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}
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}
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}
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@@ -0,0 +1,108 @@
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package com.eactive.eai.util.json;
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import java.util.Map;
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import com.eactive.eai.common.util.Logger;
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import com.eactive.eai.util.json.transformer.ValueTransformer;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.node.ArrayNode;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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public class JsonSimplePathsTransform {
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static Logger logger = Logger.getLogger(Logger.LOGGER_ADAPTER);
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private static final ObjectMapper objectMapper = new ObjectMapper();
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public static <T, R> String modifyValuesAtPaths(String jsonString,
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Map<String, ValueTransformer<T, R>> pathTransformerMap, boolean isPretty) {
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try {
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JsonNode rootNode = objectMapper.readTree(jsonString);
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for (Map.Entry<String, ValueTransformer<T, R>> entry : pathTransformerMap.entrySet()) {
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String path = entry.getKey();
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ValueTransformer<T, R> transformer = entry.getValue();
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JsonNode currentNode = getNodeAtPath(rootNode, path);
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if (currentNode != null && currentNode.isValueNode()) {
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T currentValue = extractValue(currentNode);
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R newValue = transformer.transform(currentValue);
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if(logger.isDebug()) {
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// FIXME : kbank - 로그내용 수정
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String encLog = transformer.getClass().getName() +" : "+ String.format("path=%s, orgText[%s] plain[%s] newText[%s]", path, currentValue, transformer.getProperty("PLAIN_VALUE"), newValue);
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System.out.println(encLog);
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logger.debug(encLog);
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}
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setNodeValue(getParentNode(rootNode, getParentPath(path)), getFieldName(path), newValue);
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}
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}
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if(isPretty) {
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return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(rootNode);
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}
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else {
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return objectMapper.writeValueAsString(rootNode);
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}
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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private static <T> T extractValue(JsonNode node) {
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if (node.isTextual()) {
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return (T) node.asText();
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} else if (node.isInt()) {
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return (T) (Integer) node.asInt();
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} else if (node.isDouble()) {
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return (T) (Double) node.asDouble();
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} else if (node.isBoolean()) {
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return (T) (Boolean) node.asBoolean();
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} else {
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return (T) node.asText();
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}
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}
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private static <R> void setNodeValue(JsonNode parentNode, String fieldNameOrIndex, R newValue) {
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if (parentNode.isArray()) {
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((ArrayNode) parentNode).set(Integer.parseInt(fieldNameOrIndex),
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objectMapper.convertValue(newValue, JsonNode.class));
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} else if (parentNode.isObject()) {
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((ObjectNode) parentNode).set(fieldNameOrIndex, objectMapper.convertValue(newValue, JsonNode.class));
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}
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}
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private static String getParentPath(String path) {
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int lastSlashIndex = path.lastIndexOf('/');
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return lastSlashIndex == 0 ? "/" : path.substring(0, lastSlashIndex);
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}
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private static String getFieldName(String path) {
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int lastSlashIndex = path.lastIndexOf('/');
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return path.substring(lastSlashIndex + 1);
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}
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private static JsonNode getParentNode(JsonNode rootNode, String parentPath) {
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return getNodeAtPath(rootNode, parentPath);
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}
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private static JsonNode getNodeAtPath(JsonNode rootNode, String path) {
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String[] tokens = path.split("/");
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JsonNode currentNode = rootNode;
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for (String token : tokens) {
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if (token.isEmpty())
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continue;
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if (token.matches("\\d+")) {
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currentNode = currentNode.get(Integer.parseInt(token));
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} else {
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currentNode = currentNode.get(token);
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}
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if (currentNode == null) {
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return null;
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}
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}
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return currentNode;
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}
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}
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@@ -0,0 +1,28 @@
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package com.eactive.eai.util.json.transformer;
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import java.util.HashMap;
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import java.util.Map;
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public class CustomValueTransformer implements ValueTransformer<String, String> {
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private final Map<String, Object> properties = new HashMap<>();
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@Override
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public void setProperty(String propertyName, Object value) {
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properties.put(propertyName, value);
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}
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@Override
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public String getProperty(String propertyName) {
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return (String) properties.get(propertyName);
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}
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@Override
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public String transform(String value) {
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// 예: 변환할 때 "prefix"와 "suffix" 속성을 사용
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String prefix = (String) properties.getOrDefault("PREFIX", "");
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String suffix = (String) properties.getOrDefault("SUFFIX", "");
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properties.put("PLAIN_VALUE", value);
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return prefix + value + suffix;
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}
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}
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@@ -0,0 +1,7 @@
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package com.eactive.eai.util.json.transformer;
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public interface ValueTransformer<T, R> {
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void setProperty(String propertyName, Object value);
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String getProperty(String propertyName);
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R transform(T value) throws Exception;
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}
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