improved performance.

src/main/java/com/alibaba/fastjson/JSONArray.java

@@ -302,11 +302,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public byte getByteValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Byte byteVal = castToByte(value);
+        if (byteVal == null) {
             return 0;
         }
 
-        return castToByte(value).byteValue();
+        return byteVal.byteValue();
     }
 
     public Short getShort(int index) {
@@ -318,11 +319,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public short getShortValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Short shortVal = castToShort(value);
+        if (shortVal == null) {
             return 0;
         }
 
-        return castToShort(value).shortValue();
+        return shortVal.shortValue();
     }
 
     public Integer getInteger(int index) {
@@ -334,11 +336,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public int getIntValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Integer intVal = castToInt(value);
+        if (intVal == null) {
             return 0;
         }
 
-        return castToInt(value).intValue();
+        return intVal.intValue();
     }
 
     public Long getLong(int index) {
@@ -350,11 +353,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public long getLongValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Long longVal = castToLong(value);
+        if (longVal == null) {
             return 0L;
         }
 
-        return castToLong(value).longValue();
+        return longVal.longValue();
     }
 
     public Float getFloat(int index) {
@@ -366,11 +370,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public float getFloatValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Float floatValue = castToFloat(value);
+        if (floatValue == null) {
             return 0F;
         }
 
-        return castToFloat(value).floatValue();
+        return floatValue.floatValue();
     }
 
     public Double getDouble(int index) {
@@ -382,11 +387,12 @@ public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAc
     public double getDoubleValue(int index) {
         Object value = get(index);
 
-        if (value == null) {
+        Double doubleValue = castToDouble(value);
+        if (doubleValue == null) {
             return 0D;
         }
 
-        return castToDouble(value);
+        return doubleValue.doubleValue();
     }
 
     public BigDecimal getBigDecimal(int index) {

src/main/java/com/alibaba/fastjson/JSONPath.java

@@ -782,8 +782,10 @@ public class JSONPath implements JSONAware {
                     }
 
                     if (isInt(startValue.getClass()) && isInt(endValue.getClass())) {
-                        Filter filter = new IntBetweenSegement(propertyName, ((Number) startValue).longValue(),
-                                                               ((Number) endValue).longValue(), not);
+                        Filter filter = new IntBetweenSegement(propertyName
+                                , TypeUtils.longExtractValue((Number) startValue)
+                                , TypeUtils.longExtractValue((Number) endValue)
+                                , not);
                         return filter;
                     }
 
@@ -864,7 +866,7 @@ public class JSONPath implements JSONAware {
 
                     if (isInt) {
                         if (valueList.size() == 1) {
-                            long value = ((Number) valueList.get(0)).longValue();
+                            long value = TypeUtils.longExtractValue((Number) valueList.get(0));
                             Operator intOp = not ? Operator.NE : Operator.EQ;
                             Filter filter = new IntOpSegement(propertyName, value, intOp);
                             while (ch == ' ') {
@@ -889,7 +891,7 @@ public class JSONPath implements JSONAware {
 
                         long[] values = new long[valueList.size()];
                         for (int i = 0; i < values.length; ++i) {
-                            values[i] = ((Number) valueList.get(i)).longValue();
+                            values[i] = TypeUtils.longExtractValue((Number) valueList.get(i));
                         }
 
                         Filter filter = new IntInSegement(propertyName, values, not);
@@ -971,7 +973,7 @@ public class JSONPath implements JSONAware {
                         for (int i = 0; i < values.length; ++i) {
                             Number item = (Number) valueList.get(i);
                             if (item != null) {
-                                values[i] = item.longValue();
+                                values[i] = TypeUtils.longExtractValue(item);
                             }
                         }
 
@@ -1847,7 +1849,7 @@ public class JSONPath implements JSONAware {
             }
 
             if (propertyValue instanceof Number) {
-                long longPropertyValue = ((Number) propertyValue).longValue();
+                long longPropertyValue = TypeUtils.longExtractValue((Number) propertyValue);
                 for (long value : values) {
                     if (value == longPropertyValue) {
                         return !not;
@@ -1883,7 +1885,7 @@ public class JSONPath implements JSONAware {
             }
 
             if (propertyValue instanceof Number) {
-                long longPropertyValue = ((Number) propertyValue).longValue();
+                long longPropertyValue = TypeUtils.longExtractValue((Number) propertyValue);
                 if (longPropertyValue >= startValue && longPropertyValue <= endValue) {
                     return !not;
                 }
@@ -1921,7 +1923,7 @@ public class JSONPath implements JSONAware {
             }
 
             if (propertyValue instanceof Number) {
-                long longPropertyValue = ((Number) propertyValue).longValue();
+                long longPropertyValue = TypeUtils.longExtractValue((Number) propertyValue);
                 for (Long value : values) {
                     if (value == null) {
                         continue;
@@ -2067,7 +2069,7 @@ public class JSONPath implements JSONAware {
                 return false;
             }
 
-            long longValue = ((Number) propertyValue).longValue();
+            long longValue = TypeUtils.longExtractValue((Number) propertyValue);
 
             switch (op) {
                 case EQ:
@@ -2547,7 +2549,7 @@ public class JSONPath implements JSONAware {
             BigDecimal decimalA = (BigDecimal) a;
             
             if (isIntB) {
-                return decimalA.equals(BigDecimal.valueOf(b.longValue()));
+                return decimalA.equals(BigDecimal.valueOf(TypeUtils.longExtractValue(b)));
             }
         }
 
@@ -2567,7 +2569,7 @@ public class JSONPath implements JSONAware {
         if (isIntB) {
             if (a instanceof BigInteger) {
                 BigInteger bigIntA = (BigInteger) a;
-                BigInteger bigIntB = BigInteger.valueOf(b.longValue());
+                BigInteger bigIntB = BigInteger.valueOf(TypeUtils.longExtractValue(b));
                 
                 return bigIntA.equals(bigIntB);
             }

src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java

@@ -1420,7 +1420,7 @@ public class DefaultJSONParser implements Closeable {
                 lexer.nextToken(JSONToken.LPAREN);
 
                 accept(JSONToken.LPAREN);
-                long time = ((Number) lexer.integerValue()).longValue();
+                long time = lexer.integerValue().longValue();
                 accept(JSONToken.LITERAL_INT);
 
                 accept(JSONToken.RPAREN);

src/main/java/com/alibaba/fastjson/parser/deserializer/TimeDeserializer.java

 package com.alibaba.fastjson.parser.deserializer;
 
 import java.lang.reflect.Type;
+import java.math.BigDecimal;
 
 import com.alibaba.fastjson.JSONException;
 import com.alibaba.fastjson.parser.DefaultJSONParser;
@@ -47,6 +48,8 @@ public class TimeDeserializer implements ObjectDeserializer {
 
         if (val instanceof java.sql.Time) {
             return (T) val;
+        } else if (val instanceof BigDecimal) {
+            return (T) new java.sql.Time(((BigDecimal) val).longValueExact());
         } else if (val instanceof Number) {
             return (T) new java.sql.Time(((Number) val).longValue());
         } else if (val instanceof String) {

src/main/java/com/alibaba/fastjson/util/IOUtils.java

@@ -727,7 +727,8 @@ public class IOUtils {
                     if (((b2 & 0xc0) != 0x80 || (b3 & 0xc0) != 0x80 || (b4 & 0xc0) != 0x80) // isMalformed4
                         ||
                         // shortest form check
-                        !Character.isSupplementaryCodePoint(uc)) {
+                        !(uc >= 0x010000 && uc <  0X10FFFF + 1) // !Character.isSupplementaryCodePoint(uc)
+                    ) {
                         return -1;
                     } else {
                         da[dp++] =  (char) ((uc >>> 10) + ('\uD800' - (0x010000 >>> 10))); // Character.highSurrogate(uc);

src/main/java/com/alibaba/fastjson/util/TypeUtils.java

@@ -458,6 +458,14 @@ public class TypeUtils{
         return new java.sql.Date(longValue);
     }
 
+    public static long longExtractValue(Number number) {
+        if (number instanceof BigDecimal) {
+            return ((BigDecimal) number).longValueExact();
+        }
+
+        return number.longValue();
+    }
+
     public static java.sql.Time castToSqlTime(Object value){
         if(value == null){
             return null;
@@ -471,10 +479,14 @@ public class TypeUtils{
         if(value instanceof Calendar){
             return new java.sql.Time(((Calendar) value).getTimeInMillis());
         }
+
         long longValue = 0;
-        if(value instanceof Number){
+        if(value instanceof BigDecimal){
+            longValue = ((BigDecimal) value).longValueExact();
+        } else if(value instanceof Number){
             longValue = ((Number) value).longValue();
         }
+
         if(value instanceof String){
             String strVal = (String) value;
             if(strVal.length() == 0 //