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Copy pathCodegenImplNative.java
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329 lines (301 loc) · 11.4 KB
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package com.jsoniter.output;
import com.jsoniter.spi.JsonException;
import com.jsoniter.any.Any;
import com.jsoniter.spi.*;
import java.io.IOException;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.Map;
class CodegenImplNative {
public static final Map<Type, Encoder> NATIVE_ENCODERS = new IdentityHashMap<Type, Encoder>() {{
put(boolean.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Boolean) obj);
}
@Override
public Any wrap(Object obj) {
Boolean val = (Boolean) obj;
return Any.wrap((boolean) val);
}
});
put(Boolean.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Boolean) obj);
}
@Override
public Any wrap(Object obj) {
Boolean val = (Boolean) obj;
return Any.wrap((boolean) val);
}
});
put(byte.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal(((Byte) obj).shortValue());
}
@Override
public Any wrap(Object obj) {
Byte val = (Byte) obj;
return Any.wrap((int) val);
}
});
put(Byte.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal(((Byte) obj).shortValue());
}
@Override
public Any wrap(Object obj) {
Byte val = (Byte) obj;
return Any.wrap((int) val);
}
});
put(short.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Short) obj);
}
@Override
public Any wrap(Object obj) {
Short val = (Short) obj;
return Any.wrap((int) val);
}
});
put(Short.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Short) obj);
}
@Override
public Any wrap(Object obj) {
Short val = (Short) obj;
return Any.wrap((int) val);
}
});
put(int.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Integer) obj);
}
@Override
public Any wrap(Object obj) {
Integer val = (Integer) obj;
return Any.wrap((int) val);
}
});
put(Integer.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Integer) obj);
}
@Override
public Any wrap(Object obj) {
Integer val = (Integer) obj;
return Any.wrap((int) val);
}
});
put(char.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal(((Character) obj).charValue());
}
@Override
public Any wrap(Object obj) {
Character val = (Character) obj;
return Any.wrap((int) val);
}
});
put(Character.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal(((Character) obj).charValue());
}
@Override
public Any wrap(Object obj) {
Character val = (Character) obj;
return Any.wrap((int) val);
}
});
put(long.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Long) obj);
}
@Override
public Any wrap(Object obj) {
Long val = (Long) obj;
return Any.wrap((long) val);
}
});
put(Long.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Long) obj);
}
@Override
public Any wrap(Object obj) {
Long val = (Long) obj;
return Any.wrap((long) val);
}
});
put(float.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Float) obj);
}
@Override
public Any wrap(Object obj) {
Float val = (Float) obj;
return Any.wrap((float) val);
}
});
put(Float.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Float) obj);
}
@Override
public Any wrap(Object obj) {
Float val = (Float) obj;
return Any.wrap((float) val);
}
});
put(double.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Double) obj);
}
@Override
public Any wrap(Object obj) {
Double val = (Double) obj;
return Any.wrap((double) val);
}
});
put(Double.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((Double) obj);
}
@Override
public Any wrap(Object obj) {
Double val = (Double) obj;
return Any.wrap((double) val);
}
});
put(String.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
stream.writeVal((String) obj);
}
@Override
public Any wrap(Object obj) {
String val = (String) obj;
return Any.wrap(val);
}
});
put(Object.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
if (obj != null && obj.getClass() == Object.class) {
stream.writeEmptyObject();
return;
}
stream.writeVal(obj);
}
@Override
public Any wrap(Object obj) {
if (obj != null && obj.getClass() == Object.class) {
return Any.rewrap(new HashMap<String, Any>());
}
return CodegenAccess.wrap(obj);
}
});
put(BigDecimal.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
BigDecimal val = (BigDecimal) obj;
stream.writeRaw(val.toString());
}
@Override
public Any wrap(Object obj) {
return Any.wrap(obj.toString());
}
});
put(BigInteger.class, new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
BigInteger val = (BigInteger) obj;
stream.writeRaw(val.toString());
}
@Override
public Any wrap(Object obj) {
return Any.wrap(obj.toString());
}
});
}};
public static void genWriteOp(CodegenResult ctx, String code, Type valueType, boolean isNullable) {
genWriteOp(ctx, code, valueType, isNullable, true);
}
public static void genWriteOp(CodegenResult ctx, String code, Type valueType, boolean isNullable, boolean isCollectionValueNullable) {
String cacheKey = TypeLiteral.create(valueType).getEncoderCacheKey();
if (JsoniterSpi.getEncoder(cacheKey) == null) {
if (!isNullable && String.class == valueType) {
ctx.buffer('"');
ctx.append(String.format("com.jsoniter.output.CodegenAccess.writeStringWithoutQuote((java.lang.String)%s, stream);", code));
ctx.buffer('"');
return;
}
if (NATIVE_ENCODERS.containsKey(valueType)) {
ctx.append(String.format("stream.writeVal((%s)%s);", getTypeName(valueType), code));
return;
}
}
if (!isCollectionValueNullable) {
cacheKey = cacheKey + "__value_not_nullable";
}
Codegen.getEncoder(cacheKey, valueType);
CodegenResult generatedSource = Codegen.getGeneratedSource(cacheKey);
if (generatedSource != null) {
if (isNullable) {
ctx.appendBuffer();
ctx.append(CodegenResult.bufferToWriteOp(generatedSource.prelude));
ctx.append(String.format("%s.encode_((%s)%s, stream);", cacheKey, getTypeName(valueType), code));
ctx.append(CodegenResult.bufferToWriteOp(generatedSource.epilogue));
} else {
ctx.buffer(generatedSource.prelude);
ctx.append(String.format("%s.encode_((%s)%s, stream);", cacheKey, getTypeName(valueType), code));
ctx.buffer(generatedSource.epilogue);
}
} else {
ctx.append(String.format("com.jsoniter.output.CodegenAccess.writeVal(\"%s\", (%s)%s, stream);", cacheKey, getTypeName(valueType), code));
}
}
public static String getTypeName(Type fieldType) {
if (fieldType instanceof Class) {
Class clazz = (Class) fieldType;
return clazz.getCanonicalName();
} else if (fieldType instanceof ParameterizedType) {
ParameterizedType pType = (ParameterizedType) fieldType;
Class clazz = (Class) pType.getRawType();
return clazz.getCanonicalName();
} else {
throw new JsonException("unsupported type: " + fieldType);
}
}
public static CodegenResult genEnum(Class clazz) {
CodegenResult ctx = new CodegenResult();
ctx.append(String.format("public static void encode_(java.lang.Object obj, com.jsoniter.output.JsonStream stream) throws java.io.IOException {", clazz.getCanonicalName()));
ctx.append("if (obj == null) { stream.writeNull(); return; }");
ctx.buffer('"');
ctx.append("stream.writeRaw(obj.toString());");
ctx.buffer('"');
ctx.append("}");
return ctx;
}
}
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