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package com.alibaba.fastjson2.adapter.jackson.databind;
import com.alibaba.fastjson2.*;
import com.alibaba.fastjson2.adapter.jackson.core.*;
import com.alibaba.fastjson2.adapter.jackson.databind.exc.StreamReadException;
import com.alibaba.fastjson2.adapter.jackson.databind.node.ArrayNode;
import com.alibaba.fastjson2.adapter.jackson.databind.node.JsonNodeFactory;
import com.alibaba.fastjson2.adapter.jackson.databind.node.ObjectNode;
import com.alibaba.fastjson2.adapter.jackson.databind.node.TreeNodeUtils;
import com.alibaba.fastjson2.adapter.jackson.databind.type.TypeFactory;
import com.alibaba.fastjson2.modules.ObjectReaderModule;
import com.alibaba.fastjson2.modules.ObjectWriterModule;
import com.alibaba.fastjson2.reader.ObjectReader;
import java.io.*;
import java.lang.reflect.Type;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import static com.alibaba.fastjson2.JSONReader.Feature.IgnoreCheckClose;
public class ObjectMapper
extends ObjectCodec {
protected final JsonFactory factory;
protected TypeFactory typeFactory;
protected SerializationConfig serializationConfig;
protected DeserializationConfig deserializationConfig;
public ObjectMapper() {
this(new JsonFactory());
}
public ObjectMapper(JsonFactory factory) {
this.factory = factory;
this.typeFactory = new TypeFactory();
serializationConfig = new SerializationConfig();
deserializationConfig = new DeserializationConfig();
}
public String writeValueAsString(Object value) throws JsonProcessingException {
JSONWriter.Context context = createWriterContext();
try (JSONWriter writer = JSONWriter.of(context)) {
if (value == null) {
writer.writeNull();
} else {
writer.setRootObject(value);
Class valueClass = value.getClass();
if (valueClass == JSONObject.class) {
writer.write((JSONObject) value);
} else {
boolean fieldBased = (context.getFeatures() & JSONWriter.Feature.FieldBased.mask) != 0;
com.alibaba.fastjson2.writer.ObjectWriter objectWriter = serializationConfig.writerProvider.getObjectWriter(valueClass, valueClass, fieldBased);
objectWriter.write(writer, value, null, null, 0);
}
}
return writer.toString();
}
}
private JSONWriter.Context createWriterContext() {
return serializationConfig.createWriterContext();
}
public byte[] writeValueAsBytes(Object value) throws JsonProcessingException {
JSONWriter.Context context = createWriterContext();
try (JSONWriter writer = JSONWriter.of(context)) {
if (value == null) {
writer.writeNull();
} else {
writer.setRootObject(value);
Class valueClass = value.getClass();
if (valueClass == JSONObject.class) {
writer.write((JSONObject) value);
} else {
boolean fieldBased = (context.getFeatures() & JSONWriter.Feature.FieldBased.mask) != 0;
com.alibaba.fastjson2.writer.ObjectWriter objectWriter = serializationConfig.writerProvider.getObjectWriter(valueClass, valueClass, fieldBased);
objectWriter.write(writer, value, null, null, 0);
}
}
return writer.getBytes();
}
}
public void writeValue(OutputStream out, Object value) throws IOException {
JSONWriter.Context context = createWriterContext();
try (JSONWriter writer = JSONWriter.of(context)) {
if (value == null) {
writer.writeNull();
} else {
writer.setRootObject(value);
Class valueClass = value.getClass();
if (valueClass == JSONObject.class) {
writer.write((JSONObject) value);
} else {
boolean fieldBased = (context.getFeatures() & JSONWriter.Feature.FieldBased.mask) != 0;
com.alibaba.fastjson2.writer.ObjectWriter objectWriter = serializationConfig.writerProvider.getObjectWriter(valueClass, valueClass, fieldBased);
objectWriter.write(writer, value, null, null, 0);
}
}
writer.flushTo(out);
}
}
public void writeValue(File resultFile, Object value) throws IOException {
JSONWriter.Context context = createWriterContext();
try (JSONWriter writer = JSONWriter.of(context); FileOutputStream out = new FileOutputStream(resultFile)) {
if (value == null) {
writer.writeNull();
} else {
writer.setRootObject(value);
Class valueClass = value.getClass();
if (valueClass == JSONObject.class) {
writer.write((JSONObject) value);
} else {
boolean fieldBased = (context.getFeatures() & JSONWriter.Feature.FieldBased.mask) != 0;
com.alibaba.fastjson2.writer.ObjectWriter objectWriter = serializationConfig.writerProvider.getObjectWriter(valueClass, valueClass, fieldBased);
objectWriter.write(writer, value, null, null, 0);
}
}
writer.flushTo(out);
}
}
public void writeValue(Writer w, Object value)
throws IOException, DatabindException {
JSONWriter.Context context = createWriterContext();
try (JSONWriter writer = JSONWriter.of(context)) {
if (value == null) {
writer.writeNull();
} else {
writer.setRootObject(value);
Class valueClass = value.getClass();
if (valueClass == JSONObject.class) {
writer.write((JSONObject) value);
} else {
boolean fieldBased = (context.getFeatures() & JSONWriter.Feature.FieldBased.mask) != 0;
com.alibaba.fastjson2.writer.ObjectWriter objectWriter = serializationConfig.writerProvider.getObjectWriter(valueClass, valueClass, fieldBased);
objectWriter.write(writer, value, null, null, 0);
}
}
writer.flushTo(w);
}
}
public T readValue(String content, Class valueType)
throws JsonMappingException, JsonParseException {
if (content == null || content.isEmpty()) {
throw new JsonParseException("input is null or empty");
}
JSONReader.Context context = createReaderContext();
long features = context.getFeatures();
try (JSONReader reader = JSONReader.of(content, context)) {
boolean fieldBased = (features & JSONReader.Feature.FieldBased.mask) != 0;
ObjectReader objectReader = deserializationConfig.readerProvider.getObjectReader(valueType, fieldBased);
T object = objectReader.readObject(reader, null, null, 0);
reader.handleResolveTasks(object);
if ((!reader.isEnd()) && (features & IgnoreCheckClose.mask) == 0) {
throw new JSONException(reader.info("input not end"));
}
return object;
} catch (JSONException e) {
throw new JsonMappingException(e.getMessage(), e.getCause());
}
}
public T readValue(byte[] content, Class valueType)
throws JsonMappingException, JsonParseException {
if (content == null || content.length == 0) {
throw new JsonParseException("input is null or empty");
}
JSONReader.Context context = createReaderContext();
long features = context.getFeatures();
try (JSONReader reader = JSONReader.of(content, context)) {
boolean fieldBased = (features & JSONReader.Feature.FieldBased.mask) != 0;
ObjectReader objectReader = deserializationConfig.readerProvider.getObjectReader(valueType, fieldBased);
T object = objectReader.readObject(reader, null, null, 0);
reader.handleResolveTasks(object);
if ((!reader.isEnd()) && (features & IgnoreCheckClose.mask) == 0) {
throw new JSONException(reader.info("input not end"));
}
return object;
} catch (JSONException e) {
throw new JsonMappingException(e.getMessage(), e.getCause());
}
}
private JSONReader.Context createReaderContext() {
return deserializationConfig.createReaderContext();
}
public T readValue(String content, TypeReference valueTypeRef) {
if (content == null) {
throw new JSONException("content is null");
}
return readValue(content, valueTypeRef.getType());
}
public T readValue(String content, Type valueType) {
if (content == null || content.isEmpty()) {
return null;
}
if (valueType instanceof JavaType) {
valueType = ((JavaType) valueType).getType();
}
JSONReader.Context context = createReaderContext();
long features = context.getFeatures();
try (JSONReader reader = JSONReader.of(content, context)) {
ObjectReader objectReader = context.getObjectReader(valueType);
T object = objectReader.readObject(reader, valueType, null, 0);
reader.handleResolveTasks(object);
if ((!reader.isEnd()) && (features & IgnoreCheckClose.mask) == 0) {
throw new JSONException(reader.info("input not end"));
}
return object;
}
}
public T readValue(URL url, Class valueType) {
if (url == null) {
return null;
}
try (InputStream is = url.openStream()) {
return readValue(is, valueType);
} catch (IOException e) {
throw new JSONException("can not readValue '" + url + "' to '" + valueType + "'", e);
}
}
public T readValue(File file, Class valueType) {
if (file == null) {
return null;
}
try (InputStream is = new FileInputStream(file)) {
return readValue(is, valueType);
} catch (IOException e) {
throw new JSONException("can not readValue '" + file + "' to '" + valueType + "'", e);
}
}
public T readValue(InputStream input, Class valueType)
throws JsonMappingException, JsonParseException {
if (input == null) {
return null;
}
JSONReader.Context context = createReaderContext();
long features = context.getFeatures();
try (JSONReader reader = JSONReader.of(input, StandardCharsets.UTF_8, context)) {
if (reader.isEnd()) {
return null;
}
ObjectReader objectReader = reader.getObjectReader(valueType);
T object = objectReader.readObject(reader, null, null, 0);
reader.handleResolveTasks(object);
if ((!reader.isEnd()) && (features & IgnoreCheckClose.mask) == 0) {
throw new JSONException(reader.info("input not end"));
}
return object;
}
}
public T readValue(JsonParser parser, JavaType javaType) throws IOException {
Type type = javaType.getType();
return parser.getJSONReader().read(type);
}
public ObjectNode createObjectNode() {
return new ObjectNode();
}
public ArrayNode createArrayNode() {
return new ArrayNode();
}
public ObjectMapper configure(SerializationFeature f, boolean state) {
serializationConfig = state
? serializationConfig.with(f)
: serializationConfig.without(f);
return this;
}
@Deprecated
public ObjectMapper configure(MapperFeature f, boolean state) {
return this;
}
public ObjectMapper configure(DeserializationFeature f, boolean state) {
deserializationConfig = state
? deserializationConfig.with(f)
: deserializationConfig.without(f);
return this;
}
public ObjectMapper configure(JsonParser.Feature f, boolean state) {
factory.configure(f, state);
return this;
}
public ObjectMapper configure(JsonGenerator.Feature f, boolean state) {
factory.configure(f, state);
return this;
}
public ObjectMapper registerModule(Module module) {
ObjectWriterModule writerModule = module.getWriterModule();
if (writerModule != null) {
serializationConfig.writerProvider.register(writerModule);
}
ObjectReaderModule readerModule = module.getReaderModule();
if (readerModule != null) {
deserializationConfig.readerProvider.register(readerModule);
}
return this;
}
public ObjectMapper addMixIn(Class target, Class mixinSource) {
deserializationConfig.readerProvider.mixIn(target, mixinSource);
deserializationConfig.readerProvider.mixIn(target, mixinSource);
return this;
}
@Override
public T readTree(JsonParser p) throws IOException {
Object any = p.getJSONReader().readAny();
return (T) TreeNodeUtils.as(any);
}
public JsonNode readTree(String content) throws JsonProcessingException, JsonMappingException {
JSONReader jsonReader = JSONReader.of(content);
Object any = jsonReader.readAny();
return TreeNodeUtils.as(any);
}
public JsonNode readTree(InputStream in) throws IOException {
JSONReader jsonReader = JSONReader.of(in, StandardCharsets.UTF_8);
Object any = jsonReader.readAny();
return TreeNodeUtils.as(any);
}
public JsonNode readTree(Reader r) throws IOException {
JSONReader jsonReader = JSONReader.of(r);
Object any = jsonReader.readAny();
return TreeNodeUtils.as(any);
}
public ObjectMapper disable(SerializationFeature f) {
this.serializationConfig = this.serializationConfig.without(f);
return this;
}
public ObjectMapper disable(DeserializationFeature f) {
this.deserializationConfig = this.deserializationConfig.without(f);
return this;
}
public ObjectMapper disable(MapperFeature f) {
return this;
}
public TypeFactory getTypeFactory() {
return typeFactory;
}
public ObjectMapper setTypeFactory(TypeFactory f) {
this.typeFactory = f;
return this;
}
public T valueToTree(Object fromValue)
throws IllegalArgumentException {
return (T) TreeNodeUtils.as(fromValue);
}
public T treeToValue(TreeNode n, Class valueType)
throws IllegalArgumentException,
JsonProcessingException {
if (n instanceof ObjectNode) {
return ((ObjectNode) n).getJSONObject().to(valueType);
}
if (n instanceof ArrayNode) {
return ((ArrayNode) n).getJSONArray().to(valueType);
}
// TODO treeToValue
throw new JSONException("TODO");
}
public JsonNode readTree(byte[] content) throws IOException {
Object value = JSON.parse(content);
return TreeNodeUtils.as(value);
}
public ObjectWriter writer() {
// TODO writer
throw new JSONException("TODO");
}
public ObjectWriter writer(PrettyPrinter pp) {
// TODO writer
throw new JSONException("TODO");
}
public ObjectWriter writer(FormatSchema schema) {
throw new JSONException("TODO");
}
public ObjectMapper enable(DeserializationFeature feature) {
deserializationConfig.with(feature);
return this;
}
public ObjectMapper enable(MapperFeature feature) {
return this;
}
public ObjectMapper enable(SerializationFeature feature) {
serializationConfig.with(feature);
return this;
}
public ObjectMapper enable(DeserializationFeature first,
DeserializationFeature... features) {
deserializationConfig.with(first);
for (DeserializationFeature feature : features) {
deserializationConfig.with(feature);
}
return this;
}
public JsonParser treeAsTokens(TreeNode n) {
String str = n.toString();
JSONReader jsonReader = JSONReader.of(str);
return new JsonParser(jsonReader);
}
public JavaType constructType(Type t) {
return typeFactory.constructType(t);
}
public JsonNodeFactory getNodeFactory() {
return deserializationConfig.getNodeFactory();
}
public JsonFactory getFactory() {
return factory;
}
public JsonParser createParser(String content) throws IOException {
JSONReader jsonReader = JSONReader.of(content, createReaderContext());
return new JsonParser(jsonReader);
}
public JsonParser createParser(URL src) throws IOException {
JSONReader jsonReader = JSONReader.of(src, createReaderContext());
return new JsonParser(jsonReader);
}
public JsonParser createParser(byte[] jsonBytes) throws IOException {
JSONReader jsonReader = JSONReader.of(jsonBytes, createReaderContext());
return new JsonParser(jsonReader);
}
public JsonParser createParser(InputStream in) throws IOException {
JSONReader.Context context = createReaderContext();
JSONReader jsonReader = JSONReader.of(in, StandardCharsets.UTF_8, context);
return new JsonParser(jsonReader);
}
public com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader reader() {
return new com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader(
this,
deserializationConfig, null
);
}
public com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader reader(Class type) {
return new com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader(
this,
deserializationConfig, type
);
}
public com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader readerFor(Class type) {
return new com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader(
this,
deserializationConfig, type
);
}
public com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader readerFor(JavaType type) {
return new com.alibaba.fastjson2.adapter.jackson.databind.ObjectReader(
this,
deserializationConfig, type.getType()
);
}
public ObjectWriter writerWithDefaultPrettyPrinter() {
return new ObjectWriter(this, serializationConfig, null);
}
public JsonGenerator createGenerator(OutputStream out, JsonEncoding enc) throws IOException {
throw new JSONException("TODO");
}
public void writeTree(JsonGenerator g, JsonNode rootNode)
throws IOException {
throw new JSONException("TODO");
}
public T readValue(JsonParser p, Class valueType)
throws IOException, StreamReadException, DatabindException {
return p.getJSONReader().read(valueType);
}
}