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/*
* Copyright 2019 the original author or authors.
*
* Licensed under the Apache, 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.gnu.org/licenses/lgpl-3.0.html
*
* 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.
*/
package net.minidev.json;
import com.jn.easyjson.core.JSON;
import com.jn.easyjson.core.JSONBuilderProvider;
import com.jn.easyjson.core.JsonTreeNode;
import com.jn.easyjson.core.node.JsonArrayNode;
import com.jn.easyjson.core.node.JsonObjectNode;
import net.minidev.json.parser.ParseException;
import net.minidev.json.reader.JsonWriterI;
import net.minidev.json.writer.JsonReaderI;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.List;
import java.util.Map;
/**
* JSONValue is the helper class In most of case you should use those static
* methode to user JSON-smart
*
*
* The most commonly use methode are {@link #parse(String)}
* {@link #toJSONString(Object)}
*
* @author Uriel Chemouni <[email protected]>
*/
public class JSONValue {
/**
* Global default compression type
*/
public static JSONStyle COMPRESSION = JSONStyle.NO_COMPRESS;
private static String readToString(InputStream in) {
if (in == null) {
return null;
}
StringBuilder stringBuilder = new StringBuilder();
byte[] bytes = new byte[1024];
int length = 0;
try {
while ((length = in.read(bytes)) != -1) {
stringBuilder.append(new String(bytes, 0, length));
}
} catch (Throwable ex) {
// ignore it
}
if (stringBuilder.length() > 0) {
return stringBuilder.toString();
} else {
return null;
}
}
private static String readToString(byte[] in) {
if (in == null || in.length == 0) {
return null;
}
return new String(in, 0, in.length);
}
private static String readToString(Reader in) {
if (in == null) {
return null;
}
StringBuilder stringBuilder = new StringBuilder();
char[] chars = new char[1024];
int length = 0;
try {
while ((length = in.read(chars)) != -1) {
stringBuilder.append(new String(chars, 0, length));
}
} catch (Throwable ex) {
// ignore it
}
if (stringBuilder.length() > 0) {
return stringBuilder.toString();
} else {
return null;
}
}
private static Object parseObject(String str) {
if (str == null || str.trim().isEmpty()) {
return null;
}
JsonTreeNode treeNode = JSONBuilderProvider.create().build().fromJson(str);
return JsonMapper.fromJsonTreeNode(treeNode);
}
private static T parseInstance(String str, Class mapTo) {
if (str == null || str.trim().isEmpty()) {
return null;
}
return JSONBuilderProvider.create().build().fromJson(str, mapTo);
}
private static T parseForUpdate(String string, T toUpdate) {
JSON json = JSONBuilderProvider.create().build();
String str0 = json.toJson(toUpdate);
JsonTreeNode treeNode0 = json.fromJson(str0);
String str1 = json.toJson(string);
JsonTreeNode treeNode1 = json.fromJson(str1);
if (treeNode1.isJsonNullNode()) {
return null;
}
if (treeNode1.isJsonPrimitiveNode()) {
return (T) treeNode1.getAsJsonPrimitiveNode().getValue();
}
String mergedString = str0;
if (treeNode1.isJsonArrayNode()) {
JsonArrayNode arrayNode0 = treeNode0.getAsJsonArrayNode();
JsonArrayNode arrayNode1 = treeNode1.getAsJsonArrayNode();
for (JsonTreeNode jsonTreeNode : arrayNode1) {
arrayNode0.add(jsonTreeNode);
}
mergedString = json.toJson(arrayNode0);
}
if (treeNode1.isJsonObjectNode()) {
JsonObjectNode objectNode0 = treeNode0.getAsJsonObjectNode();
JsonObjectNode objectNode1 = treeNode1.getAsJsonObjectNode();
for (Map.Entry entry : objectNode1.propertySet()) {
objectNode0.addProperty(entry.getKey(), entry.getValue());
}
mergedString = json.toJson(objectNode0);
}
return (T) json.toJson(mergedString, toUpdate.getClass());
}
/**
* Parse JSON text into java object from the input source. Please use
* parseWithException() if you don't want to ignore the exception. if you
* want strict input check use parseStrict()
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
* @see #parseWithException(Reader)
*/
public static Object parse(InputStream in) {
return parseObject(readToString(in));
}
/**
* Parse JSON text into java object from the input source. Please use
* parseWithException() if you don't want to ignore the exception. if you
* want strict input check use parseStrict()
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
* @see #parseWithException(Reader)
*/
public static Object parse(byte[] in) {
return parseObject(readToString(in));
}
/**
* Parse JSON text into java object from the input source. Please use
* parseWithException() if you don't want to ignore the exception. if you
* want strict input check use parseStrict()
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
* @see #parseWithException(Reader)
*/
public static Object parse(Reader in) {
return parseObject(readToString(in));
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(InputStream in, Class mapTo) {
return parseInstance(readToString(in), mapTo);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(byte[] in, Class mapTo) {
return parseInstance(readToString(in), mapTo);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(Reader in, Class mapTo) {
return parseInstance(readToString(in), mapTo);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(Reader in, T toUpdate) {
return parseForUpdate(readToString(in), toUpdate);
}
/**
* Parse input json as a mapTo class
*
* @since 2.0
*/
protected static Object parse(Reader in, JsonReaderI mapper) {
return parseObject(readToString(in));
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(String in, Class mapTo) {
return parseInstance(in, mapTo);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(InputStream in, T toUpdate) {
return parseForUpdate(readToString(in), toUpdate);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parse(String in, T toUpdate) {
return parseForUpdate(in, toUpdate);
}
/**
* Parse input json as a mapTo class
*
* @since 2.0
*/
protected static T parse(byte[] in, JsonReaderI mapper) {
return parse(readToString(in), mapper);
}
/**
* Parse input json as a mapTo class
*
* @since 2.0
*/
protected static T parse(String in, JsonReaderI mapper) {
return (T) parseObject(in);
}
/**
* Parse JSON text into java object from the input source. Please use
* parseWithException() if you don't want to ignore the exception. if you
* want strict input check use parseStrict()
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
* @see #parseWithException(String)
*/
public static Object parse(String s) {
return parseObject(s);
}
/**
* Parse Json input to a java Object keeping element order
*
* @since 1.0.6.1
*/
public static Object parseKeepingOrder(Reader in) {
return parseObject(readToString(in));
}
/**
* Parse Json input to a java Object keeping element order
*
* @since 1.0.6.1
*/
public static Object parseKeepingOrder(String in) {
return parseObject(in);
}
public static String compress(String input, JSONStyle style) {
JSON json = JSONBuilderProvider.create().serializeNulls(!style.ignoreNull()).prettyFormat(style.indent()).build();
return json.toJson(json.fromJson(input));
}
/**
* Compress Json input keeping element order
*
* @since 1.0.6.1
*
* need to be rewrite in 2.0
*/
public static String compress(String input) {
return compress(input, JSONStyle.MAX_COMPRESS);
}
/**
* Compress Json input keeping element order
*
* @since 1.0.6.1
*/
public static String uncompress(String input) {
return compress(input, JSONStyle.NO_COMPRESS);
}
/**
* Parse JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseWithException(byte[] in) throws IOException, ParseException {
return parseObject(readToString(in));
}
/**
* Parse JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseWithException(InputStream in) throws IOException, ParseException {
return parseObject(readToString(in));
}
/**
* Parse JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseWithException(Reader in) throws IOException, ParseException {
return parseObject(readToString(in));
}
/**
* Parse JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseWithException(String s) throws ParseException {
return parseObject(s);
}
/**
* Parse input json as a mapTo class
*
* mapTo can be a bean
*
* @since 2.0
*/
public static T parseWithException(String in, Class mapTo) throws ParseException {
return parseInstance(in, mapTo);
}
/**
* Parse valid RFC4627 JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseStrict(Reader in) throws IOException, ParseException {
return parseObject(readToString(in));
}
/**
* Parse valid RFC4627 JSON text into java object from the input source.
*
* @return Instance of the following: JSONObject, JSONArray, String,
* java.lang.Number, java.lang.Boolean, null
*/
public static Object parseStrict(String s) throws ParseException {
return parseObject(s);
}
/**
* Check RFC4627 Json Syntax from input Reader
*
* @return if the input is valid
*/
public static boolean isValidJsonStrict(Reader in) throws IOException {
return isValidJsonStrict(readToString(in));
}
/**
* check RFC4627 Json Syntax from input String
*
* @return if the input is valid
*/
public static boolean isValidJsonStrict(String s) {
return isValidJson(s);
}
/**
* Check Json Syntax from input Reader
*
* @return if the input is valid
*/
public static boolean isValidJson(Reader in) throws IOException {
return isValidJson(readToString(in));
}
/**
* Check Json Syntax from input String
*
* @return if the input is valid
*/
public static boolean isValidJson(String s) {
try {
return parse(s) != null;
} catch (Throwable ex) {
return false;
}
}
/**
* Encode an object into JSON text and write it to out.
*
* If this object is a Map or a List, and it's also a JSONStreamAware or a
* JSONAware, JSONStreamAware or JSONAware will be considered firstly.
*
*
* @see JSONObject#writeJSON(Map, Appendable)
* @see JSONArray#writeJSONString(List, Appendable)
*/
public static void writeJSONString(Object value, Appendable out) throws IOException {
writeJSONString(value, out, COMPRESSION);
}
/**
* remap field from java to json.
*
* @since 2.1.1
*/
public static void remapField(Class type, String jsonFieldName, String javaFieldName) {
}
/**
* Register a serializer for a class.
*/
public static void registerWriter(Class cls, JsonWriterI writer) {
}
/**
* register a deserializer for a class.
*/
public static void registerReader(Class type, JsonReaderI mapper) {
}
/**
* Encode an object into JSON text and write it to out.
*
* If this object is a Map or a List, and it's also a JSONStreamAware or a
* JSONAware, JSONStreamAware or JSONAware will be considered firstly.
*
*
* @see JSONObject#writeJSON(Map, Appendable)
* @see JSONArray#writeJSONString(List, Appendable)
*/
@SuppressWarnings("unchecked")
public static void writeJSONString(Object value, Appendable out, JSONStyle compression) throws IOException {
if (value == null) {
out.append("null");
return;
}
JSON json = JSONBuilderProvider.create().serializeNulls(!compression.ignoreNull()).prettyFormat(compression.indent()).build();
out.append(json.toJson(value));
}
/**
* Encode an object into JSON text and write it to out.
*
* If this object is a Map or a List, and it's also a JSONStreamAware or a
* JSONAware, JSONStreamAware or JSONAware will be considered firstly.
*
*
* @see JSONObject#writeJSON(Map, Appendable)
* @see JSONArray#writeJSONString(List, Appendable)
*/
public static String toJSONString(Object value) {
return toJSONString(value, COMPRESSION);
}
/**
* Convert an object to JSON text.
*
* If this object is a Map or a List, and it's also a JSONAware, JSONAware
* will be considered firstly.
*
* DO NOT call this method from toJSONString() of a class that implements
* both JSONAware and Map or List with "this" as the parameter, use
* JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead.
*
* @return JSON text, or "null" if value is null or it's an NaN or an INF
* number.
* @see JSONObject#toJSONString(Map)
* @see JSONArray#toJSONString(List)
*/
public static String toJSONString(Object value, JSONStyle compression) {
StringBuilder sb = new StringBuilder();
try {
writeJSONString(value, sb, compression);
} catch (IOException e) {
// can not append on a StringBuilder
}
return sb.toString();
}
public static String escape(String s) {
return escape(s, COMPRESSION);
}
/**
* Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters
* (U+0000 through U+001F).
*/
public static String escape(String s, JSONStyle compression) {
if (s == null) {
return null;
}
StringBuilder sb = new StringBuilder();
compression.escape(s, sb);
return sb.toString();
}
public static void escape(String s, Appendable ap) {
escape(s, ap, COMPRESSION);
}
public static void escape(String s, Appendable ap, JSONStyle compression) {
if (s == null) {
return;
}
compression.escape(s, ap);
}
}