package com.alibaba.fastjson.parser.deserializer;
import java.lang.reflect.*;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.DefaultJSONParser.ResolveTask;
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONLexerBase;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.parser.ParseContext;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.serializer.JavaBeanSerializer;
import com.alibaba.fastjson.util.FieldInfo;
import com.alibaba.fastjson.util.JavaBeanInfo;
import com.alibaba.fastjson.util.TypeUtils;
public class JavaBeanDeserializer implements ObjectDeserializer {
private final FieldDeserializer[] fieldDeserializers;
protected final FieldDeserializer[] sortedFieldDeserializers;
protected final Class<?> clazz;
public final JavaBeanInfo beanInfo;
private ConcurrentMap<String, Object> extraFieldDeserializers;
private final Map<String, FieldDeserializer> alterNameFieldDeserializers;
public JavaBeanDeserializer(ParserConfig config, Class<?> clazz) {
this(config, clazz, clazz);
}
public JavaBeanDeserializer(ParserConfig config, Class<?> clazz, Type type){
this(config //
, JavaBeanInfo.build(clazz, type, config.propertyNamingStrategy, config.fieldBased, config.compatibleWithJavaBean)
);
}
public JavaBeanDeserializer(ParserConfig config, JavaBeanInfo beanInfo){
this.clazz = beanInfo.clazz;
this.beanInfo = beanInfo;
Map<String, FieldDeserializer> alterNameFieldDeserializers = null;
sortedFieldDeserializers = new FieldDeserializer[beanInfo.sortedFields.length];
for (int i = 0, size = beanInfo.sortedFields.length; i < size; ++i) {
FieldInfo fieldInfo = beanInfo.sortedFields[i];
FieldDeserializer fieldDeserializer = config.createFieldDeserializer(config, beanInfo, fieldInfo);
sortedFieldDeserializers[i] = fieldDeserializer;
for (String name : fieldInfo.alternateNames) {
if (alterNameFieldDeserializers == null) {
alterNameFieldDeserializers = new HashMap<String, FieldDeserializer>();
}
alterNameFieldDeserializers.put(name, fieldDeserializer);
}
}
this.alterNameFieldDeserializers = alterNameFieldDeserializers;
fieldDeserializers = new FieldDeserializer[beanInfo.fields.length];
for (int i = 0, size = beanInfo.fields.length; i < size; ++i) {
FieldInfo fieldInfo = beanInfo.fields[i];
FieldDeserializer fieldDeserializer = getFieldDeserializer(fieldInfo.name);
fieldDeserializers[i] = fieldDeserializer;
}
}
public FieldDeserializer getFieldDeserializer(String key) {
return getFieldDeserializer(key, null);
}
public FieldDeserializer getFieldDeserializer(String key, int[] setFlags) {
if (key == null) {
return null;
}
int low = 0;
int high = sortedFieldDeserializers.length - 1;
while (low <= high) {
int mid = (low + high) >>> 1;
String fieldName = sortedFieldDeserializers[mid].fieldInfo.name;
int cmp = fieldName.compareTo(key);
if (cmp < 0) {
low = mid + 1;
} else if (cmp > 0) {
high = mid - 1;
} else {
if (isSetFlag(mid, setFlags)) {
return null;
}
return sortedFieldDeserializers[mid]; // key found
}
}
return null; // key not found.
}
static boolean isSetFlag(int i, int[] setFlags) {
if (setFlags == null) {
return false;
}
int flagIndex = i / 32;
int bitIndex = i % 32;
if (flagIndex < setFlags.length) {
if ((setFlags[flagIndex] & (1 << bitIndex)) != 0) {
return true;
}
}
return false;
}
public Object createInstance(DefaultJSONParser parser, Type type) {
if (type instanceof Class) {
if (clazz.isInterface()) {
Class<?> clazz = (Class<?>) type;
ClassLoader loader = Thread.currentThread().getContextClassLoader();
final JSONObject obj = new JSONObject();
Object proxy = Proxy.newProxyInstance(loader, new Class<?>[] { clazz }, obj);
return proxy;
}
}
if (beanInfo.defaultConstructor == null && beanInfo.factoryMethod == null) {
return null;
}
if (beanInfo.factoryMethod != null && beanInfo.defaultConstructorParameterSize > 0) {
return null;
}
Object object;
try {
Constructor<?> constructor = beanInfo.defaultConstructor;
if (beanInfo.defaultConstructorParameterSize == 0) {
if (constructor != null) {
object = constructor.newInstance();
} else {
object = beanInfo.factoryMethod.invoke(null);
}
} else {
ParseContext context = parser.getContext();
if (context == null || context.object == null) {
throw new JSONException("can't create non-static inner class instance.");
}
final String typeName;
if (type instanceof Class) {
typeName = ((Class<?>) type).getName();
} else {
throw new JSONException("can't create non-static inner class instance.");
}
final int lastIndex = typeName.lastIndexOf('$');
String parentClassName = typeName.substring(0, lastIndex);
Object ctxObj = context.object;
String parentName = ctxObj.getClass().getName();
Object param = null;
if (!parentName.equals(parentClassName)) {
ParseContext parentContext = context.parent;
if (parentContext != null
&& parentContext.object != null
&& ("java.util.ArrayList".equals(parentName)
|| "java.util.List".equals(parentName)
|| "java.util.Collection".equals(parentName)
|| "java.util.Map".equals(parentName)
|| "java.util.HashMap".equals(parentName))) {
parentName = parentContext.object.getClass().getName();
if (parentName.equals(parentClassName)) {
param = parentContext.object;
}
}
} else {
param = ctxObj;
}
if (param == null) {
throw new JSONException("can't create non-static inner class instance.");
}
object = constructor.newInstance(param);
}
} catch (JSONException e) {
throw e;
} catch (Exception e) {
throw new JSONException("create instance error, class " + clazz.getName(), e);
}
if (parser != null //
&& parser.lexer.isEnabled(Feature.InitStringFieldAsEmpty)) {
for (FieldInfo fieldInfo : beanInfo.fields) {
if (fieldInfo.fieldClass == String.class) {
try {
fieldInfo.set(object, "");
} catch (Exception e) {
throw new JSONException("create instance error, class " + clazz.getName(), e);
}
}
}
}
return object;
}
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
return deserialze(parser, type, fieldName, 0);
}
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName, int features) {
return deserialze(parser, type, fieldName, null, features, null);
}
@SuppressWarnings({ "unchecked" })
public <T> T deserialzeArrayMapping(DefaultJSONParser parser, Type type, Object fieldName, Object object) {
final JSONLexer lexer = parser.lexer; // xxx
if (lexer.token() != JSONToken.LBRACKET) {
throw new JSONException("error");
}
object = createInstance(parser, type);
for (int i = 0, size = sortedFieldDeserializers.length; i < size; ++i) {
final char seperator = (i == size - 1) ? ']' : ',';
FieldDeserializer fieldDeser = sortedFieldDeserializers[i];
Class<?> fieldClass = fieldDeser.fieldInfo.fieldClass;
if (fieldClass == int.class) {
int value = lexer.scanInt(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass == String.class) {
String value = lexer.scanString(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass == long.class) {
long value = lexer.scanLong(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass.isEnum()) {
char ch = lexer.getCurrent();
Object value;
if (ch == '\"' || ch == 'n') {
value = lexer.scanEnum(fieldClass, parser.getSymbolTable(), seperator);
} else if (ch >= '0' && ch <= '9') {
int ordinal = lexer.scanInt(seperator);
EnumDeserializer enumDeser = (EnumDeserializer) ((DefaultFieldDeserializer) fieldDeser).getFieldValueDeserilizer(parser.getConfig());
value = enumDeser.valueOf(ordinal);
} else {
value = scanEnum(lexer, seperator);
}
fieldDeser.setValue(object, value);
} else if (fieldClass == boolean.class) {
boolean value = lexer.scanBoolean(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass == float.class) {
float value = lexer.scanFloat(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass == double.class) {
double value = lexer.scanDouble(seperator);
fieldDeser.setValue(object, value);
} else if (fieldClass == java.util.Date.class && lexer.getCurrent() == '1') {
long longValue = lexer.scanLong(seperator);
fieldDeser.setValue(object, new java.util.Date(longValue));
} else {
lexer.nextToken(JSONToken.LBRACKET);
Object value = parser.parseObject(fieldDeser.fieldInfo.fieldType);
fieldDeser.setValue(object, value);
check(lexer, seperator == ']' ? JSONToken.RBRACKET : JSONToken.COMMA);
// parser.accept(seperator == ']' ? JSONToken.RBRACKET : JSONToken.COMMA);
}
}
lexer.nextToken(JSONToken.COMMA);
return (T) object;
}
protected void check(final JSONLexer lexer, int token) {
if (lexer.token() != token) {
throw new JSONException("syntax error");
}
}
protected Enum<?> scanEnum(JSONLexer lexer, char seperator) {
throw new JSONException("illegal enum. " + lexer.info());
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected <T> T deserialze(DefaultJSONParser parser, //
Type type, //
Object fieldName, //
Object object, //
int features, //
int[] setFlags) {
if (type == JSON.class || type == JSONObject.class) {
return (T) parser.parse();
}
final JSONLexerBase lexer = (JSONLexerBase) parser.lexer; // xxx
int token = lexer.token();
if (token == JSONToken.NULL) {
lexer.nextToken(JSONToken.COMMA);
return null;
}
ParseContext context = parser.getContext();
if (object != null && context != null) {
context = context.parent;
}
ParseContext childContext = null;
try {
Map<String, Object> fieldValues = null;
if (token == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
if (object == null) {
object = createInstance(parser, type);
}
return (T) object;
}
if (token == JSONToken.LBRACKET) {
final int mask = Feature.SupportArrayToBean.mask;
boolean isSupportArrayToBean = (beanInfo.parserFeatures & mask) != 0 //
|| lexer.isEnabled(Feature.SupportArrayToBean) //
|| (features & mask) != 0
;
if (isSupportArrayToBean) {
return deserialzeArrayMapping(parser, type, fieldName, object);
}
}
if (token != JSONToken.LBRACE && token != JSONToken.COMMA) {
if (lexer.isBlankInput()) {
return null;
}
if (token == JSONToken.LITERAL_STRING) {
String strVal = lexer.stringVal();
if (strVal.length() == 0) {
lexer.nextToken();
return null;
}
}
if (token == JSONToken.LBRACKET && lexer.getCurrent() == ']') {
lexer.next();
lexer.nextToken();
return null;
}
StringBuffer buf = (new StringBuffer()) //
.append("syntax error, expect {, actual ") //
.append(lexer.tokenName()) //
.append(", pos ") //
.append(lexer.pos()) //
;
if (fieldName instanceof String) {
buf //
.append(", fieldName ") //
.append(fieldName);
}
throw new JSONException(buf.toString());
}
if (parser.resolveStatus == DefaultJSONParser.TypeNameRedirect) {
parser.resolveStatus = DefaultJSONParser.NONE;
}
for (int fieldIndex = 0;; fieldIndex++) {
String key = null;
FieldDeserializer fieldDeser = null;
FieldInfo fieldInfo = null;
Class<?> fieldClass = null;
JSONField feildAnnotation = null;
if (fieldIndex < sortedFieldDeserializers.length) {
fieldDeser = sortedFieldDeserializers[fieldIndex];
fieldInfo = fieldDeser.fieldInfo;
fieldClass = fieldInfo.fieldClass;
feildAnnotation = fieldInfo.getAnnotation();
}
boolean matchField = false;
boolean valueParsed = false;
Object fieldValue = null;
if (fieldDeser != null) {
char[] name_chars = fieldInfo.name_chars;
if (fieldClass == int.class || fieldClass == Integer.class) {
fieldValue = lexer.scanFieldInt(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == long.class || fieldClass == Long.class) {
fieldValue = lexer.scanFieldLong(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == String.class) {
fieldValue = lexer.scanFieldString(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == boolean.class || fieldClass == Boolean.class) {
fieldValue = lexer.scanFieldBoolean(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == float.class || fieldClass == Float.class) {
fieldValue = lexer.scanFieldFloat(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == double.class || fieldClass == Double.class) {
fieldValue = lexer.scanFieldDouble(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass.isEnum() //
&& parser.getConfig().getDeserializer(fieldClass) instanceof EnumDeserializer
&& (feildAnnotation == null || feildAnnotation.deserializeUsing() == Void.class)
) {
if (fieldDeser instanceof DefaultFieldDeserializer) {
ObjectDeserializer fieldValueDeserilizer = ((DefaultFieldDeserializer) fieldDeser).fieldValueDeserilizer;
fieldValue = this.scanEnum(lexer, name_chars, fieldValueDeserilizer);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
}
} else if (fieldClass == int[].class) {
fieldValue = lexer.scanFieldIntArray(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == float[].class) {
fieldValue = lexer.scanFieldFloatArray(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (fieldClass == float[][].class) {
fieldValue = lexer.scanFieldFloatArray2(name_chars);
if (lexer.matchStat > 0) {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
}
} else if (lexer.matchField(name_chars)) {
matchField = true;
} else {
continue;
}
}
if (!matchField) {
key = lexer.scanSymbol(parser.symbolTable);
if (key == null) {
token = lexer.token();
if (token == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
break;
}
if (token == JSONToken.COMMA) {
if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
continue;
}
}
}
if ("$ref" == key) {
lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
token = lexer.token();
if (token == JSONToken.LITERAL_STRING) {
String ref = lexer.stringVal();
if ("@".equals(ref)) {
object = context.object;
} else if ("..".equals(ref)) {
ParseContext parentContext = context.parent;
if (parentContext.object != null) {
object = parentContext.object;
} else {
parser.addResolveTask(new ResolveTask(parentContext, ref));
parser.resolveStatus = DefaultJSONParser.NeedToResolve;
}
} else if ("$".equals(ref)) {
ParseContext rootContext = context;
while (rootContext.parent != null) {
rootContext = rootContext.parent;
}
if (rootContext.object != null) {
object = rootContext.object;
} else {
parser.addResolveTask(new ResolveTask(rootContext, ref));
parser.resolveStatus = DefaultJSONParser.NeedToResolve;
}
} else {
parser.addResolveTask(new ResolveTask(context, ref));
parser.resolveStatus = DefaultJSONParser.NeedToResolve;
}
} else {
throw new JSONException("illegal ref, " + JSONToken.name(token));
}
lexer.nextToken(JSONToken.RBRACE);
if (lexer.token() != JSONToken.RBRACE) {
throw new JSONException("illegal ref");
}
lexer.nextToken(JSONToken.COMMA);
parser.setContext(context, object, fieldName);
return (T) object;
}
if (JSON.DEFAULT_TYPE_KEY == key) {
lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
if (lexer.token() == JSONToken.LITERAL_STRING) {
String typeName = lexer.stringVal();
lexer.nextToken(JSONToken.COMMA);
if (typeName.equals(beanInfo.typeName)|| parser.isEnabled(Feature.IgnoreAutoType)) {
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
break;
}
continue;
}
ParserConfig config = parser.getConfig();
ObjectDeserializer deserializer = getSeeAlso(config, this.beanInfo, typeName);
Class<?> userType = null;
if (deserializer == null) {
Class<?> expectClass = TypeUtils.getClass(type);
userType = config.checkAutoType(typeName, expectClass);
deserializer = parser.getConfig().getDeserializer(userType);
}
return (T) deserializer.deserialze(parser, userType, fieldName);
} else {
throw new JSONException("syntax error");
}
}
}
if (object == null && fieldValues == null) {
object = createInstance(parser, type);
if (object == null) {
fieldValues = new HashMap<String, Object>(this.fieldDeserializers.length);
}
childContext = parser.setContext(context, object, fieldName);
if (setFlags == null) {
setFlags = new int[(this.fieldDeserializers.length / 32) + 1];
}
}
if (matchField) {
if (!valueParsed) {
fieldDeser.parseField(parser, object, type, fieldValues);
} else {
if (object == null) {
fieldValues.put(fieldInfo.name, fieldValue);
} else if (fieldValue == null) {
if (fieldClass != int.class //
&& fieldClass != long.class //
&& fieldClass != float.class //
&& fieldClass != double.class //
&& fieldClass != boolean.class //
) {
fieldDeser.setValue(object, fieldValue);
}
} else {
fieldDeser.setValue(object, fieldValue);
}
if (setFlags != null) {
int flagIndex = fieldIndex / 32;
int bitIndex = fieldIndex % 32;
setFlags[flagIndex] |= (1 >> bitIndex);
}
if (lexer.matchStat == JSONLexer.END) {
break;
}
}
} else {
boolean match = parseField(parser, key, object, type, fieldValues, setFlags);
if (!match) {
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
break;
}
continue;
} else if (lexer.token() == JSONToken.COLON) {
throw new JSONException("syntax error, unexpect token ':'");
}
}
if (lexer.token() == JSONToken.COMMA) {
continue;
}
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
break;
}
if (lexer.token() == JSONToken.IDENTIFIER || lexer.token() == JSONToken.ERROR) {
throw new JSONException("syntax error, unexpect token " + JSONToken.name(lexer.token()));
}
}
if (object == null) {
if (fieldValues == null) {
object = createInstance(parser, type);
if (childContext == null) {
childContext = parser.setContext(context, object, fieldName);
}
return (T) object;
}
FieldInfo[] fieldInfoList = beanInfo.fields;
int size = fieldInfoList.length;
Object[] params = new Object[size];
for (int i = 0; i < size; ++i) {
FieldInfo fieldInfo = fieldInfoList[i];
Object param = fieldValues.get(fieldInfo.name);
if (param == null) {
Type fieldType = fieldInfo.fieldType;
if (fieldType == byte.class) {
param = (byte) 0;
} else if (fieldType == short.class) {
param = (short) 0;
} else if (fieldType == int.class) {
param = 0;
} else if (fieldType == long.class) {
param = 0L;
} else if (fieldType == float.class) {
param = 0F;
} else if (fieldType == double.class) {
param = 0D;
} else if (fieldType == boolean.class) {
param = Boolean.FALSE;
}
}
params[i] = param;
}
if (beanInfo.creatorConstructor != null) {
try {
object = beanInfo.creatorConstructor.newInstance(params);
} catch (Exception e) {
throw new JSONException("create instance error, "
+ beanInfo.creatorConstructor.toGenericString(), e);
}
} else if (beanInfo.factoryMethod != null) {
try {
object = beanInfo.factoryMethod.invoke(null, params);
} catch (Exception e) {
throw new JSONException("create factory method error, " + beanInfo.factoryMethod.toString(), e);
}
}
}
Method buildMethod = beanInfo.buildMethod;
if (buildMethod == null) {
return (T) object;
}
Object builtObj;
try {
builtObj = buildMethod.invoke(object);
} catch (Exception e) {
throw new JSONException("build object error", e);
}
return (T) builtObj;
} finally {
if (childContext != null) {
childContext.object = object;
}
parser.setContext(context);
}
}
protected Enum scanEnum(JSONLexerBase lexer, char[] name_chars, ObjectDeserializer fieldValueDeserilizer) {
EnumDeserializer enumDeserializer = null;
if (fieldValueDeserilizer instanceof EnumDeserializer) {
enumDeserializer = (EnumDeserializer) fieldValueDeserilizer;
}
if (enumDeserializer == null) {
lexer.matchStat = JSONLexer.NOT_MATCH;
return null;
}
long enumNameHashCode = lexer.scanFieldSymbol(name_chars);
if (lexer.matchStat > 0) {
return enumDeserializer.getEnumByHashCode(enumNameHashCode);
} else {
return null;
}
}
public boolean parseField(DefaultJSONParser parser, String key, Object object, Type objectType,
Map<String, Object> fieldValues) {
return parseField(parser, key, object, objectType, fieldValues, null);
}
public boolean parseField(DefaultJSONParser parser, String key, Object object, Type objectType,
Map<String, Object> fieldValues, int[] setFlags) {
JSONLexer lexer = parser.lexer; // xxx
final int disableFieldSmartMatchMask = Feature.DisableFieldSmartMatch.mask;
FieldDeserializer fieldDeserializer;
if (lexer.isEnabled(disableFieldSmartMatchMask) || (this.beanInfo.parserFeatures & disableFieldSmartMatchMask) != 0) {
fieldDeserializer = getFieldDeserializer(key);
} else {
fieldDeserializer = smartMatch(key, setFlags);
}
final int mask = Feature.SupportNonPublicField.mask;
if (fieldDeserializer == null
&& (lexer.isEnabled(mask)
|| (this.beanInfo.parserFeatures & mask) != 0)) {
if (this.extraFieldDeserializers == null) {
ConcurrentHashMap extraFieldDeserializers = new ConcurrentHashMap<String, Object>(1, 0.75f, 1);
Field[] fields = this.clazz.getDeclaredFields();
for (Field field : fields) {
String fieldName = field.getName();
if (this.getFieldDeserializer(fieldName) != null) {
continue;
}
int fieldModifiers = field.getModifiers();
if ((fieldModifiers & Modifier.FINAL) != 0 || (fieldModifiers & Modifier.STATIC) != 0) {
continue;
}
extraFieldDeserializers.put(fieldName, field);
}
this.extraFieldDeserializers = extraFieldDeserializers;
}
Object deserOrField = extraFieldDeserializers.get(key);
if (deserOrField != null) {
if (deserOrField instanceof FieldDeserializer) {
fieldDeserializer = ((FieldDeserializer) deserOrField);
} else {
Field field = (Field) deserOrField;
field.setAccessible(true);
FieldInfo fieldInfo = new FieldInfo(key, field.getDeclaringClass(), field.getType(), field.getGenericType(), field, 0, 0, 0);
fieldDeserializer = new DefaultFieldDeserializer(parser.getConfig(), clazz, fieldInfo);
extraFieldDeserializers.put(key, fieldDeserializer);
}
}
}
if (fieldDeserializer == null) {
if (!lexer.isEnabled(Feature.IgnoreNotMatch)) {
throw new JSONException("setter not found, class " + clazz.getName() + ", property " + key);
}
for (FieldDeserializer fieldDeser : this.sortedFieldDeserializers) {
FieldInfo fieldInfo = fieldDeser.fieldInfo;
if (fieldInfo.unwrapped //
&& fieldDeser instanceof DefaultFieldDeserializer) {
if (fieldInfo.field != null) {
DefaultFieldDeserializer defaultFieldDeserializer = (DefaultFieldDeserializer) fieldDeser;
ObjectDeserializer fieldValueDeser = defaultFieldDeserializer.getFieldValueDeserilizer(parser.getConfig());
if (fieldValueDeser instanceof JavaBeanDeserializer) {
JavaBeanDeserializer javaBeanFieldValueDeserializer = (JavaBeanDeserializer) fieldValueDeser;
FieldDeserializer unwrappedFieldDeser = javaBeanFieldValueDeserializer.getFieldDeserializer(key);
if (unwrappedFieldDeser != null) {
Object fieldObject;
try {
fieldObject = fieldInfo.field.get(object);
if (fieldObject == null) {
fieldObject = ((JavaBeanDeserializer) fieldValueDeser).createInstance(parser, fieldInfo.fieldType);
fieldDeser.setValue(object, fieldObject);
}
lexer.nextTokenWithColon(defaultFieldDeserializer.getFastMatchToken());
unwrappedFieldDeser.parseField(parser, fieldObject, objectType, fieldValues);
return true;
} catch (Exception e) {
throw new JSONException("parse unwrapped field error.", e);
}
}
} else if (fieldValueDeser instanceof MapDeserializer) {
MapDeserializer javaBeanFieldValueDeserializer = (MapDeserializer) fieldValueDeser;
Map fieldObject;
try {
fieldObject = (Map) fieldInfo.field.get(object);
if (fieldObject == null) {
fieldObject = javaBeanFieldValueDeserializer.createMap(fieldInfo.fieldType);
fieldDeser.setValue(object, fieldObject);
}
lexer.nextTokenWithColon();
Object fieldValue = parser.parse(key);
fieldObject.put(key, fieldValue);
} catch (Exception e) {
throw new JSONException("parse unwrapped field error.", e);
}
return true;
}
} else if (fieldInfo.method.getParameterTypes().length == 2) {
lexer.nextTokenWithColon();
Object fieldValue = parser.parse(key);
try {
fieldInfo.method.invoke(object, key, fieldValue);
} catch (Exception e) {
throw new JSONException("parse unwrapped field error.", e);
}
return true;
}
}
}
parser.parseExtra(object, key);
return false;
}
int fieldIndex = -1;
for (int i = 0; i < sortedFieldDeserializers.length; ++i) {
if (sortedFieldDeserializers[i] == fieldDeserializer) {
fieldIndex = i;
break;
}
}
if (fieldIndex != -1 && setFlags != null && key.startsWith("_")) {
if (isSetFlag(fieldIndex, setFlags)) {
parser.parseExtra(object, key);
return false;
}
}
lexer.nextTokenWithColon(fieldDeserializer.getFastMatchToken());
fieldDeserializer.parseField(parser, object, objectType, fieldValues);
return true;
}
public FieldDeserializer smartMatch(String key) {
return smartMatch(key, null);
}
public FieldDeserializer smartMatch(String key, int[] setFlags) {
if (key == null) {
return null;
}
FieldDeserializer fieldDeserializer = getFieldDeserializer(key, setFlags);
if (fieldDeserializer == null) {
boolean startsWithIs = key.startsWith("is");
for (int i = 0; i < sortedFieldDeserializers.length; ++i) {
if (isSetFlag(i, setFlags)) {
continue;
}
FieldDeserializer fieldDeser = sortedFieldDeserializers[i];
FieldInfo fieldInfo = fieldDeser.fieldInfo;
if ((fieldInfo.parserFeatures & Feature.DisableFieldSmartMatch.mask) != 0) {
return null;
}
Class<?> fieldClass = fieldInfo.fieldClass;
String fieldName = fieldInfo.name;
if (fieldName.equalsIgnoreCase(key)) {
fieldDeserializer = fieldDeser;
break;
}
if (startsWithIs //
&& (fieldClass == boolean.class || fieldClass == Boolean.class) //
&& fieldName.equalsIgnoreCase(key.substring(2))) {
fieldDeserializer = fieldDeser;
break;
}
}
}
if (fieldDeserializer == null) {
boolean snakeOrkebab = false;
String key2 = null;
for (int i = 0; i < key.length(); ++i) {
char ch = key.charAt(i);
if (ch == '_') {
snakeOrkebab = true;
key2 = key.replaceAll("_", "");
break;
} else if (ch == '-') {
snakeOrkebab = true;
key2 = key.replaceAll("-", "");
break;
}
}
if (snakeOrkebab) {
fieldDeserializer = getFieldDeserializer(key2, setFlags);
if (fieldDeserializer == null) {
for (int i = 0; i < sortedFieldDeserializers.length; ++i) {
if (isSetFlag(i, setFlags)) {
continue;
}
FieldDeserializer fieldDeser = sortedFieldDeserializers[i];
if (fieldDeser.fieldInfo.name.equalsIgnoreCase(key2)) {
fieldDeserializer = fieldDeser;
break;
}
}
}
}
}
if (fieldDeserializer == null && this.alterNameFieldDeserializers != null) {
fieldDeserializer = this.alterNameFieldDeserializers.get(key);
}
return fieldDeserializer;
}
public int getFastMatchToken() {
return JSONToken.LBRACE;
}
public Object createInstance(Map<String, Object> map, ParserConfig config) //
throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException {
Object object = null;
if (beanInfo.creatorConstructor == null && beanInfo.factoryMethod == null) {
object = createInstance(null, clazz);
for (Map.Entry<String, Object> entry : map.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
FieldDeserializer fieldDeser = smartMatch(key);
if (fieldDeser == null) {
continue;
}
final FieldInfo fieldInfo = fieldDeser.fieldInfo;
Type paramType = fieldInfo.fieldType;
value = TypeUtils.cast(value, paramType, config);
fieldDeser.setValue(object, value);
}
if (beanInfo.buildMethod != null) {
Object builtObj;
try {
builtObj = beanInfo.buildMethod.invoke(object);
} catch (Exception e) {
throw new JSONException("build object error", e);
}
return builtObj;
}
return object;
}
FieldInfo[] fieldInfoList = beanInfo.fields;
int size = fieldInfoList.length;
Object[] params = new Object[size];
for (int i = 0; i < size; ++i) {
FieldInfo fieldInfo = fieldInfoList[i];
params[i] = map.get(fieldInfo.name);
}
if (beanInfo.creatorConstructor != null) {
try {
object = beanInfo.creatorConstructor.newInstance(params);
} catch (Exception e) {
throw new JSONException("create instance error, "
+ beanInfo.creatorConstructor.toGenericString(), e);
}
} else if (beanInfo.factoryMethod != null) {
try {
object = beanInfo.factoryMethod.invoke(null, params);
} catch (Exception e) {
throw new JSONException("create factory method error, " + beanInfo.factoryMethod.toString(), e);
}
}
return object;
}
public Type getFieldType(int ordinal) {
return sortedFieldDeserializers[ordinal].fieldInfo.fieldType;
}
protected Object parseRest(DefaultJSONParser parser, Type type, Object fieldName, Object instance, int features) {
return parseRest(parser, type, fieldName, instance, features, new int[0]);
}
protected Object parseRest(DefaultJSONParser parser
, Type type
, Object fieldName
, Object instance
, int features
, int[] setFlags) {
Object value = deserialze(parser, type, fieldName, instance, features, setFlags);
return value;
}
protected JavaBeanDeserializer getSeeAlso(ParserConfig config, JavaBeanInfo beanInfo, String typeName) {
if (beanInfo.jsonType == null) {
return null;
}
for (Class<?> seeAlsoClass : beanInfo.jsonType.seeAlso()) {
ObjectDeserializer seeAlsoDeser = config.getDeserializer(seeAlsoClass);
if (seeAlsoDeser instanceof JavaBeanDeserializer) {
JavaBeanDeserializer seeAlsoJavaBeanDeser = (JavaBeanDeserializer) seeAlsoDeser;
JavaBeanInfo subBeanInfo = seeAlsoJavaBeanDeser.beanInfo;
if (subBeanInfo.typeName.equals(typeName)) {
return seeAlsoJavaBeanDeser;
}
JavaBeanDeserializer subSeeAlso = getSeeAlso(config, subBeanInfo, typeName);
if (subSeeAlso != null) {
return subSeeAlso;
}
}
}
return null;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected static void parseArray(Collection collection, //
ObjectDeserializer deser, //
DefaultJSONParser parser, //
Type type, //
Object fieldName) {
final JSONLexerBase lexer = (JSONLexerBase) parser.lexer;
int token = lexer.token();
if (token == JSONToken.NULL) {
lexer.nextToken(JSONToken.COMMA);
token = lexer.token();
return;
}
if (token != JSONToken.LBRACKET) {
parser.throwException(token);
}
char ch = lexer.getCurrent();
if (ch == '[') {
lexer.next();
lexer.setToken(JSONToken.LBRACKET);
} else {
lexer.nextToken(JSONToken.LBRACKET);
}
if (lexer.token() == JSONToken.RBRACKET) {
lexer.nextToken();
return;
}
int index = 0;
for (;;) {
Object item = deser.deserialze(parser, type, index);
collection.add(item);
index++;
if (lexer.token() == JSONToken.COMMA) {
ch = lexer.getCurrent();
if (ch == '[') {
lexer.next();
lexer.setToken(JSONToken.LBRACKET);
} else {
lexer.nextToken(JSONToken.LBRACKET);
}
} else {
break;
}
}
token = lexer.token();
if (token != JSONToken.RBRACKET) {
parser.throwException(token);
}
ch = lexer.getCurrent();
if (ch == ',') {
lexer.next();
lexer.setToken(JSONToken.COMMA);
} else {
lexer.nextToken(JSONToken.COMMA);
}
// parser.accept(JSONToken.RBRACKET, JSONToken.COMMA);
}
}