refactor (#3294)

* refactor

* codestyle

* refactor

* remove JSONReaderASCIIVector

* remove JSONReaderUTF16Vector

* remove JSONReaderUTF8Vector and remove incubator-vector module

* optimize JSONWriterUTF16JDK8UF

* fix build error

* bug fix

* refactor

* remove unused code

* remove unused code

* remove unused code

* PREDICATE_IS_ASCII

* simplify code

Author: wenshao

benchmark/pom.xml

@@ -32,13 +32,6 @@
             <artifactId>fastjson2-extension</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <!--
-        <dependency>
-            <groupId>com.alibaba.fastjson2</groupId>
-            <artifactId>fastjson2-incubator-vector</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        -->
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
@@ -217,20 +210,4 @@
             </plugin>
         </plugins>
     </build>
-
-    <profiles>
-        <profile>
-            <id>enable-incubators-for-jdk17+</id>
-            <activation>
-                <jdk>[17,)</jdk>
-            </activation>
-            <dependencies>
-                <dependency>
-                    <groupId>com.alibaba.fastjson2</groupId>
-                    <artifactId>fastjson2-incubator-vector</artifactId>
-                    <version>${project.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
-    </profiles>
 </project>

benchmark/src/test/java/com/alibaba/fastjson2/benchmark/eishay/EishayParseStringTest.java

@@ -14,7 +14,7 @@ public static void fastjson2() {
             }
             long millis = System.currentTimeMillis() - start;
             System.out.println("fastjson2 millis : " + millis);
-            // zulu8.70.0.23 : 5569 5630 4435
+            // zulu8.70.0.23 : 5569 5630 4435 4199 3851
             // zulu11.64.19 : 5022 5033 3754
             // zulu17.42.19 : 5377 5193 5222 5154 5116 5083 4987 4079
         }

benchmark/src/test/java/com/alibaba/fastjson2/benchmark/eishay/EishayParseUTF8BytesTest.java

@@ -13,7 +13,7 @@ public static void fastjson2() {
             }
             long millis = System.currentTimeMillis() - start;
             System.out.println("fastjson2 millis : " + millis);
-            // zulu8.62.0.19 : 703 746 710 706 700 682 717 698 526 500 474
+            // zulu8.62.0.19 : 703 746 710 706 700 682 717 698 526 500 474 445
             // zulu11.52.13 : 579 565 552 541 554 553 554 538 420 424 434
             // zulu17.40.19 : 600 604 597 593 578 567 447 420
         }
@@ -63,8 +63,8 @@ public static void jackson() throws Exception {
     }
 
     public static void main(String[] args) throws Exception {
-//        fastjson2();
-        fastjson2_features();
+        fastjson2();
+//        fastjson2_features();
 //        dsljson();
 //        jackson();
     }

benchmark/src/test/java/com/alibaba/fastjson2/benchmark/eishay/EishayWriteStringTest.java

@@ -16,7 +16,7 @@ public static void fastjson2() {
             System.out.println("fastjson2 millis : " + millis);
             // zulu8.70.0.23 : 3001 2795
             // zulu11.62.17 : 3288 2549
-            // zulu17.32.13 : 3305 2909 2503
+            // zulu17.32.13 : 3305 2909 2503 2353
             // zulu17.40.91_vec : 2527 2536
         }
     }

benchmark/src/test/java/com/alibaba/fastjson2/benchmark/jjb/ClientsWriteUTF8BytesTest.java

@@ -40,7 +40,7 @@ public static void fastjson2() {
             long millis = System.currentTimeMillis() - start;
             System.out.println("ClientsWriteUTF8Bytes-fastjson2 millis : " + millis);
             // zulu8.70.0.23 : 1533 1493 1374 1353
-            // zulu17.40.19 : 1419 1361 1356 1356 1317 1224 1212 1202 1182 979
+            // zulu17.40.19 : 1419 1361 1356 1356 1317 1224 1212 1202 1182 979 949
             // zulu17.40.19_vec : 1116
             // zulu17.40.19_reflect : 1427
         }

core/src/main/java/com/alibaba/fastjson2/JSONFactory.java

@@ -19,11 +19,8 @@
 import java.time.ZoneId;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
-import java.util.function.Function;
 import java.util.function.Supplier;
 
-import static com.alibaba.fastjson2.util.JDKUtils.VECTOR_BIT_LENGTH;
-
 public final class JSONFactory {
     public static final class Conf {
         static final Properties DEFAULT_PROPERTIES;
@@ -93,11 +90,6 @@ public static String getProperty(String key) {
     static final NameCacheEntry[] NAME_CACHE = new NameCacheEntry[8192];
     static final NameCacheEntry2[] NAME_CACHE2 = new NameCacheEntry2[8192];
 
-    static final Function<JSONWriter.Context, JSONWriter> INCUBATOR_VECTOR_WRITER_CREATOR_UTF16;
-    static final JSONReaderUTF8Creator INCUBATOR_VECTOR_READER_CREATOR_ASCII;
-    static final JSONReaderUTF8Creator INCUBATOR_VECTOR_READER_CREATOR_UTF8;
-    static final JSONReaderUTF16Creator INCUBATOR_VECTOR_READER_CREATOR_UTF16;
-
     static int defaultDecimalMaxScale = 2048;
 
     interface JSONReaderUTF8Creator {
@@ -164,8 +156,6 @@ public NameCacheEntry2(String name, long value0, long value1) {
             1.0e20, 1.0e21, 1.0e22
     };
 
-    static final Double DOUBLE_ZERO = (double) 0;
-
     static {
         Properties properties = Conf.DEFAULT_PROPERTIES;
         {
@@ -227,52 +217,6 @@ public NameCacheEntry2(String name, long value0, long value1) {
         useJacksonAnnotation = getPropertyBool(properties, "fastjson2.useJacksonAnnotation", true);
         useGsonAnnotation = getPropertyBool(properties, "fastjson2.useGsonAnnotation", true);
         defaultWriterAlphabetic = getPropertyBool(properties, "fastjson2.writer.alphabetic", true);
-
-        boolean readerVector = getPropertyBool(properties, "fastjson2.readerVector", false);
-
-        Function<JSONWriter.Context, JSONWriter> incubatorVectorCreatorUTF16 = null;
-        JSONReaderUTF8Creator readerCreatorASCII = null;
-        JSONReaderUTF8Creator readerCreatorUTF8 = null;
-        JSONReaderUTF16Creator readerCreatorUTF16 = null;
-        if (JDKUtils.VECTOR_SUPPORT) {
-            if (VECTOR_BIT_LENGTH >= 64) {
-                try {
-                    Class<?> factoryClass = Class.forName("com.alibaba.fastjson2.JSONWriterUTF16Vector$Factory");
-                    incubatorVectorCreatorUTF16 = (Function<JSONWriter.Context, JSONWriter>) factoryClass.newInstance();
-                } catch (Throwable e) {
-                    initErrorLast = e;
-                }
-
-                if (readerVector) {
-                    try {
-                        Class<?> factoryClass = Class.forName("com.alibaba.fastjson2.JSONReaderASCIIVector$Factory");
-                        readerCreatorASCII = (JSONReaderUTF8Creator) factoryClass.newInstance();
-                    } catch (Throwable e) {
-                        initErrorLast = e;
-                    }
-
-                    try {
-                        Class<?> factoryClass = Class.forName("com.alibaba.fastjson2.JSONReaderUTF8Vector$Factory");
-                        readerCreatorUTF8 = (JSONReaderUTF8Creator) factoryClass.newInstance();
-                    } catch (Throwable e) {
-                        initErrorLast = e;
-                    }
-                }
-            }
-
-            if (VECTOR_BIT_LENGTH >= 128 && readerVector) {
-                try {
-                    Class<?> factoryClass = Class.forName("com.alibaba.fastjson2.JSONReaderUTF16Vector$Factory");
-                    readerCreatorUTF16 = (JSONReaderUTF16Creator) factoryClass.newInstance();
-                } catch (Throwable e) {
-                    initErrorLast = e;
-                }
-            }
-        }
-        INCUBATOR_VECTOR_WRITER_CREATOR_UTF16 = incubatorVectorCreatorUTF16;
-        INCUBATOR_VECTOR_READER_CREATOR_ASCII = readerCreatorASCII;
-        INCUBATOR_VECTOR_READER_CREATOR_UTF8 = readerCreatorUTF8;
-        INCUBATOR_VECTOR_READER_CREATOR_UTF16 = readerCreatorUTF16;
     }
 
     private static boolean getPropertyBool(Properties properties, String name, boolean defaultValue) {