FilesExpand file tree

 master

/

CodegenImplMap.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

60 lines (58 loc) · 2.62 KB

 master

/

CodegenImplMap.java

Copy path

Top

File metadata and controls

• Code
• Blame

60 lines (58 loc) · 2.62 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

package com.jsoniter.output;

import java.lang.reflect.Type;

import java.util.Collection;

class CodegenImplMap {

public static CodegenResult genMap(String cacheKey, Class clazz, Type[] typeArgs) {

boolean isCollectionValueNullable = true;

if (cacheKey.endsWith("__value_not_nullable")) {

isCollectionValueNullable = false;

}

Type keyType = String.class;

Type valueType = Object.class;

if (typeArgs.length == 0) {

// default to Map<String, Object>

} else if (typeArgs.length == 2) {

keyType = typeArgs[0];

valueType = typeArgs[1];

} else {

throw new IllegalArgumentException(

"can not bind to generic collection without argument types, " +

"try syntax like TypeLiteral<Map<String, String>>{}");

}

if (keyType != String.class) {

throw new IllegalArgumentException("map key must be String");

}

CodegenResult ctx = new CodegenResult();

ctx.append("public static void encode_(java.lang.Object obj, com.jsoniter.output.JsonStream stream) throws java.io.IOException {");

ctx.append("if (obj == null) { stream.writeNull(); return; }");

ctx.append("java.util.Map map = (java.util.Map)obj;");

ctx.append("java.util.Iterator iter = map.entrySet().iterator();");

ctx.append("if(!iter.hasNext()) { return; }");

ctx.append("java.util.Map.Entry entry = (java.util.Map.Entry)iter.next();");

ctx.buffer('{');

ctx.append("stream.writeVal((String)entry.getKey());");

ctx.buffer(':');

if (isCollectionValueNullable) {

ctx.append("if (entry.getValue() == null) { stream.writeNull(); } else {");

CodegenImplNative.genWriteOp(ctx, "entry.getValue()", valueType, true);

ctx.append("}");

} else {

CodegenImplNative.genWriteOp(ctx, "entry.getValue()", valueType, false);

}

ctx.append("while(iter.hasNext()) {");

ctx.append("entry = (java.util.Map.Entry)iter.next();");

ctx.buffer(',');

ctx.append("stream.writeObjectField((String)entry.getKey());");

if (isCollectionValueNullable) {

ctx.append("if (entry.getValue() == null) { stream.writeNull(); } else {");

CodegenImplNative.genWriteOp(ctx, "entry.getValue()", valueType, true);

ctx.append("}");

} else {

CodegenImplNative.genWriteOp(ctx, "entry.getValue()", valueType, false);

}

ctx.append("}");

ctx.buffer('}');

ctx.append("}");

return ctx;

}

}