xyz.calvinwilliams:okjson
Advanced tools
okjson is A small efficient flexible JSON parser/generator for Java
demo.json
{
"userName" : "Calvin" ,
"email" : "calvinwilliams@163.com" ,
"userExtInfo" : {
"gender" : "M" ,
"age" : 30 ,
"address" : "I won't tell you"
} ,
"interestGroupList" : [
"Programing", "Playing game", "Reading", "Sleeping"
] ,
"borrowDetailList" : [
{
"bookName" : "Thinking in JAVA" ,
"author" : "Bruce Eckel" ,
"borrowDate" : "2014-01-02" ,
"borrowTime" : "17:30:00"
} ,
{
"bookName" : "Thinking in C++" ,
"author" : "Bruce Eckel too" ,
"borrowDate" : "2014-02-04" ,
"borrowTime" : "17:35:00"
} ,
{
"bookName" : "Thinking in okjson" ,
"author" : "It's me !!!" ,
"borrowDate" : "2014-03-06" ,
"borrowTime" : "17:40:00"
}
]
}
DemoUserClass.java
package xyz.calvinwilliams.okjson;
import java.time.LocalDate;
import java.time.LocalTime;
import java.util.LinkedList;
public class DemoUserClass {
String userName ;
String email ;
UserExtInfo userExtInfo ;
LinkedList<String> interestGroupList ;
LinkedList<BorrowDetail> borrowDetailList ;
}
class UserExtInfo {
String gender ;
int age ;
String address ;
}
class BorrowDetail {
String bookName ;
String author ;
@OkJsonDateTimeFormatter(format="yyyy-MM-dd")
LocalDate borrowDate ;
@OkJsonDateTimeFormatter(format="HH:mm:ss")
LocalTime borrowTime ;
}
package xyz.calvinwilliams.okjson;
import java.time.format.DateTimeFormatter;
public class Demo {
public static void printDemoUser( DemoUserClass demoUser ) {
...
}
public static void main(String[] args) {
DemoUserClass demoUser = new DemoUserClass() ;
System.out.println( "OKJSON.stringToObject ..." );
demoUser = OKJSON.fileToObject( "demo.json", DemoUserClass.class, OKJSON.OKJSON_OTIONS_DIRECT_ACCESS_PROPERTY_ENABLE ) ;
if( demoUser == null ) {
System.out.println( "OKJSON.stringToObject failed["+OKJSON.getErrorCode()+"]["+OKJSON.getErrorDesc()+"]" );
return;
} else {
System.out.println( "OKJSON.stringToObject ok" );
printDemoUser( demoUser );
}
}
}
OKJSON.getErrorCode| Prototype | Integer getErrorCode(); |
OKJSON.getErrorDesc| Prototype | String getErrorDesc(); |
OKJSON.stringToObject| Prototype | T stringToObject( String jsonString, Class clazz, int options ); |
| options |
|---|
| OKJSON.OPTIONS_DIRECT_ACCESS_PROPERTY_ENABLE |
| OKJSON.OPTIONS_STRICT_POLICY |
| errcode |
|---|
| OKJSON_ERROR_END_OF_BUFFER |
| OKJSON_ERROR_UNEXPECT |
| OKJSON_ERROR_EXCEPTION |
| OKJSON_ERROR_INVALID_BYTE |
| OKJSON_ERROR_FIND_FIRST_LEFT_BRACE |
| OKJSON_ERROR_NAME_INVALID |
| OKJSON_ERROR_EXPECT_COLON_AFTER_NAME |
| OKJSON_ERROR_UNEXPECT_TOKEN_AFTER_LEFT_BRACE |
| OKJSON_ERROR_PORPERTY_TYPE_NOT_MATCH_IN_OBJECT |
| OKJSON_ERROR_NAME_NOT_FOUND_IN_OBJECT |
| OKJSON_ERROR_NEW_OBJECT |
OKJSON.fileToObject| Prototype | T fileToObject( String filePath, Class clazz, int options ); |
OKJSON.objectToString| Prototype | String objectToString( Object object, int options ); |
| options |
|---|
| OKJSON.OPTIONS_DIRECT_ACCESS_PROPERTY_ENABLE |
| OKJSON.OPTIONS_PRETTY_FORMAT_ENABLE |
| errcode |
|---|
| OKJSON_ERROR_END_OF_BUFFER |
| OKJSON_ERROR_EXCEPTION |
| OKJSON_ERROR_NEW_OBJECT |
OKJSON.objectToFile| Prototype | int objectToFile( Object object, String filePath, int options ); |
| JSON element value | JAVA class/type |
|---|---|
| "..." | String |
| 123 | Byte或byte |
| 123 | Short或short |
| 123 | Integer或int |
| 123 | Long或long |
| 123.456 | Float或float |
| 123.456 | Double或double |
| true/false | Boolean或boolean |
| "..." | LocalDate |
| "..." | LocalTime |
| "..." | LocalDateTime |
| [...] | ArrayList |
| [...] | LinkedList |
| {...} | JAVA对象 |
| JSON array simple-value | JAVA class/type |
|---|---|
| "..." | String |
| 123 | Byte |
| 123 | Short |
| 123 | Integer |
| 123 | Long |
| 123.456 | Float |
| 123.456 | Double |
| true/false | Boolean |
| "..." | LocalDate |
| "..." | LocalTime |
| "..." | LocalDateTime |
| {...} | JAVA对象 |
CPU : Intel Core i5-7500 3.4GHz 3.4GHz Momey : 16GB OS : WINDOWS 10 JAVA IDE : Eclipse 2018-12
press.json
{
"str1" : "str1" ,
"int1" : 1234 ,
"double1" : 1.234 ,
"boolean1" : true ,
"press2" : {
"byte2" : 2 ,
"short2" : 23 ,
"long2" : 23456789 ,
"float2" : 2.345
}
}
PressDataClass.java
package xyz.calvinwilliams.test_jsonparser;
public class PressDataClass {
private String str1 ;
private int int1 ;
private Double double1 ;
private boolean boolean1 ;
private String null1 ;
public PressDataClass2 press2 ;
public String getStr1() {
return str1;
}
public void setStr1(String str1) {
this.str1 = str1;
}
public int getInt1() {
return int1;
}
public void setInt1(int int1) {
this.int1 = int1;
}
public Double getDouble1() {
return double1;
}
public void setDouble1(Double double1) {
this.double1 = double1;
}
public boolean isBoolean1() {
return boolean1;
}
public void setBoolean1(boolean boolean1) {
this.boolean1 = boolean1;
}
public PressDataClass2 getPress2() {
return press2;
}
public void setPress2(PressDataClass2 press2) {
this.press2 = press2;
}
public String getNull1() {
return null1;
}
public void setNull1(String null1) {
this.null1 = null1;
}
}
PressDataClass2.java
package xyz.calvinwilliams.test_jsonparser;
public class PressDataClass2 {
private byte byte2 ;
private short short2 ;
private Long long2 ;
private float float2 ;
public byte getByte2() {
return byte2;
}
public void setByte2(byte byte2) {
this.byte2 = byte2;
}
public short getShort2() {
return short2;
}
public void setShort2(short short2) {
this.short2 = short2;
}
public Long getLong2() {
return long2;
}
public void setLong2(Long long2) {
this.long2 = long2;
}
public float getFloat2() {
return float2;
}
public void setFloat2(float float2) {
this.float2 = float2;
}
}
PressFastJsonParser.java
package xyz.calvinwilliams.test_jsonparser;
import java.io.File;
import java.io.FileInputStream;
import com.alibaba.fastjson.*;
public class PressFastJsonParser {
public static void main(String[] args) {
File file = new File( "press.json" ) ;
Long fileSize = file.length() ;
byte[] json = new byte[fileSize.intValue()] ;
try {
FileInputStream in = new FileInputStream(file);
in.read(json);
in.close();
} catch (Exception e) {
e.printStackTrace();
return;
}
String jsonString = new String(json) ;
long l , count = 1000000 ;
long beginMillisSecondstamp = System.currentTimeMillis() ;
for( l = 0 ; l < count ; l++ ) {
PressDataClass obj = JSON.parseObject(jsonString, new TypeReference<PressDataClass>() {}) ;
if( obj == null ) {
System.out.println( "JSON.stringToObject failed" );
return;
}
else if( l == 0 ){
System.out.println( "JSON.stringToObject ok" );
System.out.println( "------------------------------ dump PressDataClass" );
System.out.println( "DataClass.str1["+obj.getStr1()+"]" );
System.out.println( "PressDataClass.int1["+obj.getInt1()+"]" );
System.out.println( "PressDataClass.Double1["+obj.getDouble1()+"]" );
System.out.println( "PressDataClass.boolean1["+obj.isBoolean1()+"]" );
System.out.println( "------------------------------ dump PressDataClass.press2" );
if( obj.press2 != null ) {
System.out.println( "PressDataClass.branch2.byte2["+obj.press2.getByte2()+"]" );
System.out.println( "PressDataClass.branch2.short2["+obj.press2.getShort2()+"]" );
System.out.println( "PressDataClass.branch2.Long2["+obj.press2.getLong2()+"]" );
System.out.println( "PressDataClass.branch2.float2["+obj.press2.getFloat2()+"]" );
}
}
}
long endMillisSecondstamp = System.currentTimeMillis() ;
double elpaseSecond = (endMillisSecondstamp-beginMillisSecondstamp)/1000.0 ;
System.out.println( "count["+count+"] elapse["+elpaseSecond+"]s" );
double countPerSecond = count / elpaseSecond ;
System.out.println( "count per second["+countPerSecond+"]" );
return;
}
}
PressFastJsonGenerator.java
package xyz.calvinwilliams.test_jsonparser;
import java.io.File;
import java.io.FileInputStream;
import com.alibaba.fastjson.*;
public class PressFastJsonGenerator {
public static void main(String[] args) {
PressDataClass object = new PressDataClass() ;
object.setStr1("str1");
object.setInt1(1234);
object.setDouble1(1.234);
object.setBoolean1(true);
object.setNull1(null);
object.press2 = new PressDataClass2() ;
object.press2.setByte2((byte)2);
object.press2.setShort2((short)23);
object.press2.setLong2(23456789L);
object.press2.setFloat2(2.345f);
System.out.println( "------------------------------ dump PressDataClass" );
System.out.println( "DataClass.str1["+object.getStr1()+"]" );
System.out.println( "PressDataClass.int1["+object.getInt1()+"]" );
System.out.println( "PressDataClass.Double1["+object.getDouble1()+"]" );
System.out.println( "PressDataClass.boolean1["+object.isBoolean1()+"]" );
System.out.println( "PressDataClass.null1["+object.getNull1()+"]" );
System.out.println( "------------------------------ dump PressDataClass.press2" );
if( object.press2 != null ) {
System.out.println( "PressDataClass.branch2.byte2["+object.press2.getByte2()+"]" );
System.out.println( "PressDataClass.branch2.short2["+object.press2.getShort2()+"]" );
System.out.println( "PressDataClass.branch2.Long2["+object.press2.getLong2()+"]" );
System.out.println( "PressDataClass.branch2.float2["+object.press2.getFloat2()+"]" );
}
long l , count = 5000000 ;
long beginMillisSecondstamp = System.currentTimeMillis() ;
for( l = 0 ; l < count ; l++ ) {
String jsonString = JSON.toJSONString( object ) ;
if( jsonString == null ) {
System.out.println( "JSON.toJSONString failed" );
return;
}
else if( l == count-1 ){
System.out.println( "JSON.toJSONString ok" );
System.out.println( jsonString );
}
}
long endMillisSecondstamp = System.currentTimeMillis() ;
double elpaseSecond = (endMillisSecondstamp-beginMillisSecondstamp)/1000.0 ;
System.out.println( "count["+count+"] elapse["+elpaseSecond+"]s" );
double countPerSecond = count / elpaseSecond ;
System.out.println( "count per second["+countPerSecond+"]" );
return;
}
}
PressOkJsonParser.java
package xyz.calvinwilliams.test_jsonparser;
import java.io.File;
import java.io.FileInputStream;
import xyz.calvinwilliams.okjson.*;
import xyz.calvinwilliams.test_jsonparser.PressDataClass;
public class PressOkJsonParser {
public static void main(String[] args) {
File file = new File( "press.json" ) ;
Long fileSize = file.length() ;
byte[] json = new byte[fileSize.intValue()] ;
try {
FileInputStream in = new FileInputStream(file);
in.read(json);
in.close();
} catch (Exception e) {
e.printStackTrace();
return;
}
String jsonString = new String(json) ;
long l , count = 1000000 ;
long beginMillisSecondstamp = System.currentTimeMillis() ;
for( l = 0 ; l < count ; l++ ) {
PressDataClass object = OKJSON.stringToObject( jsonString, PressDataClass.class, OKJSON.OPTIONS_DIRECT_ACCESS_PROPERTY_ENABLE ) ;
if( object == null ) {
System.out.println( "okjson.stringToObject failed["+OKJSON.getErrorCode()+"]" );
return;
} else if( l == 0 ){
System.out.println( "okjson.stringToObject ok" );
System.out.println( "------------------------------ dump PressDataClass" );
System.out.println( "DataClass.str1["+object.getStr1()+"]" );
System.out.println( "PressDataClass.int1["+object.getInt1()+"]" );
System.out.println( "PressDataClass.Double1["+object.getDouble1()+"]" );
System.out.println( "PressDataClass.boolean1["+object.isBoolean1()+"]" );
System.out.println( "------------------------------ dump PressDataClass.press2" );
if( object.press2 != null ) {
System.out.println( "PressDataClass.branch2.byte2["+object.press2.getByte2()+"]" );
System.out.println( "PressDataClass.branch2.short2["+object.press2.getShort2()+"]" );
System.out.println( "PressDataClass.branch2.Long2["+object.press2.getLong2()+"]" );
System.out.println( "PressDataClass.branch2.float2["+object.press2.getFloat2()+"]" );
}
}
}
long endMillisSecondstamp = System.currentTimeMillis() ;
double elpaseSecond = (endMillisSecondstamp-beginMillisSecondstamp)/1000.0 ;
System.out.println( "count["+count+"] elapse["+elpaseSecond+"]s" );
double countPerSecond = count / elpaseSecond ;
System.out.println( "count per second["+countPerSecond+"]" );
return;
}
}
PressOkJsonGenerator.java
package xyz.calvinwilliams.test_jsonparser;
import java.io.File;
import java.io.FileInputStream;
import xyz.calvinwilliams.okjson.OKJSON;
import xyz.calvinwilliams.test_jsonparser.PressDataClass;
public class PressOkJsonGenerator {
public static void main(String[] args) {
PressDataClass object = new PressDataClass() ;
object.setStr1("str1");
object.setInt1(1234);
object.setDouble1(1.234);
object.setBoolean1(true);
object.setNull1(null);
object.press2 = new PressDataClass2() ;
object.press2.setByte2((byte)2);
object.press2.setShort2((short)23);
object.press2.setLong2(23456789L);
object.press2.setFloat2(2.345f);
System.out.println( "------------------------------ dump PressDataClass" );
System.out.println( "DataClass.str1["+object.getStr1()+"]" );
System.out.println( "PressDataClass.int1["+object.getInt1()+"]" );
System.out.println( "PressDataClass.Double1["+object.getDouble1()+"]" );
System.out.println( "PressDataClass.boolean1["+object.isBoolean1()+"]" );
System.out.println( "PressDataClass.null1["+object.getNull1()+"]" );
System.out.println( "------------------------------ dump PressDataClass.press2" );
if( object.press2 != null ) {
System.out.println( "PressDataClass.branch2.byte2["+object.press2.getByte2()+"]" );
System.out.println( "PressDataClass.branch2.short2["+object.press2.getShort2()+"]" );
System.out.println( "PressDataClass.branch2.Long2["+object.press2.getLong2()+"]" );
System.out.println( "PressDataClass.branch2.float2["+object.press2.getFloat2()+"]" );
}
long l , count = 5000000 ;
long beginMillisSecondstamp = System.currentTimeMillis() ;
for( l = 0 ; l < count ; l++ ) {
String jsonString = OKJSON.objectToString( object, 0 ) ;
if( jsonString == null ) {
System.out.println( "okjson.stringToObject failed["+OKJSON.getErrorCode()+"]["+OKJSON.getErrorDesc()+"]" );
return;
} else if( l == count-1 ){
System.out.println( "okjson.stringToObject ok" );
System.out.println( jsonString );
}
}
long endMillisSecondstamp = System.currentTimeMillis() ;
double elpaseSecond = (endMillisSecondstamp-beginMillisSecondstamp)/1000.0 ;
System.out.println( "count["+count+"] elapse["+elpaseSecond+"]s" );
double countPerSecond = count / elpaseSecond ;
System.out.println( "count per second["+countPerSecond+"]" );
return;
}
}
JSON Parser benchmarking
okjson
count[1000000] elapse[1.446]s
count per second[691562.9322268326]
fastjson
count[1000000] elapse[2.616]s
count per second[382262.996941896]
okjson
count[1000000] elapse[1.429]s
count per second[699790.0629811056]
fastjson
count[1000000] elapse[2.547]s
count per second[392618.767177071]
okjson
count[1000000] elapse[1.42]s
count per second[704225.3521126761]
fastjson
count[1000000] elapse[2.473]s
count per second[404367.1653861707]
okjson
count[1000000] elapse[1.432]s
count per second[698324.0223463688]
fastjson
count[1000000] elapse[2.48]s
count per second[403225.8064516129]
okjson
count[1000000] elapse[1.434]s
count per second[697350.069735007]
fastjson
count[1000000] elapse[2.459]s
count per second[406669.37779585196]
JSON Generator benchmarking
okjson
count[2000000] elapse[1.399]s
count per second[1429592.5661186562]
fastjson
count[2000000] elapse[1.51]s
count per second[1324503.311258278]
okjson
count[2000000] elapse[1.347]s
count per second[1484780.9948032666]
fastjson
count[2000000] elapse[1.507]s
count per second[1327140.0132714002]
okjson
count[2000000] elapse[1.364]s
count per second[1466275.6598240468]
fastjson
count[2000000] elapse[1.403]s
count per second[1425516.7498218103]
okjson
count[2000000] elapse[1.363]s
count per second[1467351.4306676448]
fastjson
count[2000000] elapse[1.512]s
count per second[1322751.3227513228]
okjson
count[2000000] elapse[1.37]s
count per second[1459854.01459854]
fastjson
count[2000000] elapse[1.409]s
count per second[1419446.4158978]
Download source at : gitee、github
Apache Maven
<dependency>
<groupId>xyz.calvinwilliams</groupId>
<artifactId>okjson</artifactId>
<version>0.0.10.0</version>
</dependency>
Gradle Kotlin DSL
compile("xyz.calvinwilliams:okjson:0.0.10.0")
FAQs
Unknown package
We found that xyz.calvinwilliams:okjson demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 0 open source maintainers collaborating on the project.
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