@SuppressWarnings("unchecked")
public static <T> T deserialze(DefaultJSONParser parser) {
final JSONLexer lexer = parser.getLexer();
if (lexer.token() == JSONToken.LITERAL_INT) {
long val = lexer.longValue();
lexer.nextToken(JSONToken.COMMA);
return (T) new BigDecimal(val);
}
if (lexer.token() == JSONToken.LITERAL_FLOAT) {
BigDecimal val = lexer.decimalValue();
lexer.nextToken(JSONToken.COMMA);
return (T) val;
}
Object value = parser.parse();
if (value == null) {
return null;
}
return (T) TypeUtils.castToBigDecimal(value);
}
@SuppressWarnings({"unchecked", "rawtypes"})
public final void parseArray(final Collection array, Object fieldName) {
final JSONLexer lexer = getLexer();
if (lexer.token() == JSONToken.SET || lexer.token() == JSONToken.TREE_SET) {
lexer.nextToken();
}
if (lexer.token() != JSONToken.LBRACKET) {
throw new JSONException(
"syntax error, expect [, actual "
+ JSONToken.name(lexer.token())
+ ", pos "
+ lexer.pos());
}
lexer.nextToken(JSONToken.LITERAL_STRING);
ParseContext context = this.getContext();
this.setContext(array, fieldName);
try {
for (int i = 0; ; ++i) {
if (isEnabled(Feature.AllowArbitraryCommas)) {
while (lexer.token() == JSONToken.COMMA) {
lexer.nextToken();
continue;
}
}
Object value;
switch (lexer.token()) {
case LITERAL_INT:
value = lexer.integerValue();
lexer.nextToken(JSONToken.COMMA);
break;
case LITERAL_FLOAT:
if (lexer.isEnabled(Feature.UseBigDecimal)) {
value = lexer.decimalValue(true);
} else {
value = lexer.decimalValue(false);
}
lexer.nextToken(JSONToken.COMMA);
break;
case LITERAL_STRING:
String stringLiteral = lexer.stringVal();
lexer.nextToken(JSONToken.COMMA);
if (lexer.isEnabled(Feature.AllowISO8601DateFormat)) {
JSONScanner iso8601Lexer = new JSONScanner(stringLiteral);
if (iso8601Lexer.scanISO8601DateIfMatch()) {
value = iso8601Lexer.getCalendar().getTime();
} else {
value = stringLiteral;
}
iso8601Lexer.close();
} else {
value = stringLiteral;
}
break;
case TRUE:
value = Boolean.TRUE;
lexer.nextToken(JSONToken.COMMA);
break;
case FALSE:
value = Boolean.FALSE;
lexer.nextToken(JSONToken.COMMA);
break;
case LBRACE:
JSONObject object = new JSONObject();
value = parseObject(object, i);
break;
case LBRACKET:
Collection items = new JSONArray();
parseArray(items, i);
value = items;
break;
case NULL:
value = null;
lexer.nextToken(JSONToken.LITERAL_STRING);
break;
case RBRACKET:
lexer.nextToken(JSONToken.COMMA);
return;
case EOF:
throw new JSONException("unclosed jsonArray");
default:
value = parse();
break;
}
array.add(value);
checkListResolve(array);
if (lexer.token() == JSONToken.COMMA) {
lexer.nextToken(JSONToken.LITERAL_STRING);
continue;
}
}
} finally {
this.setContext(context);
}
}
public Object parse(Object fieldName) {
final JSONLexer lexer = getLexer();
switch (lexer.token()) {
case SET:
lexer.nextToken();
HashSet<Object> set = new HashSet<Object>();
parseArray(set, fieldName);
return set;
case TREE_SET:
lexer.nextToken();
TreeSet<Object> treeSet = new TreeSet<Object>();
parseArray(treeSet, fieldName);
return treeSet;
case LBRACKET:
JSONArray array = new JSONArray();
parseArray(array, fieldName);
return array;
case LBRACE:
JSONObject object = new JSONObject();
return parseObject(object, fieldName);
case LITERAL_INT:
Number intValue = lexer.integerValue();
lexer.nextToken();
return intValue;
case LITERAL_FLOAT:
Object value = lexer.decimalValue(isEnabled(Feature.UseBigDecimal));
lexer.nextToken();
return value;
case LITERAL_STRING:
String stringLiteral = lexer.stringVal();
lexer.nextToken(JSONToken.COMMA);
if (lexer.isEnabled(Feature.AllowISO8601DateFormat)) {
JSONScanner iso8601Lexer = new JSONScanner(stringLiteral);
try {
if (iso8601Lexer.scanISO8601DateIfMatch()) {
return iso8601Lexer.getCalendar().getTime();
}
} finally {
iso8601Lexer.close();
}
}
return stringLiteral;
case NULL:
lexer.nextToken();
return null;
case TRUE:
lexer.nextToken();
return Boolean.TRUE;
case FALSE:
lexer.nextToken();
return Boolean.FALSE;
case NEW:
lexer.nextToken(JSONToken.IDENTIFIER);
if (lexer.token() != JSONToken.IDENTIFIER) {
throw new JSONException("syntax error");
}
lexer.nextToken(JSONToken.LPAREN);
accept(JSONToken.LPAREN);
long time = ((Number) lexer.integerValue()).longValue();
accept(JSONToken.LITERAL_INT);
accept(JSONToken.RPAREN);
return new Date(time);
case EOF:
if (lexer.isBlankInput()) {
return null;
}
throw new JSONException("unterminated json string, pos " + lexer.getBufferPosition());
case ERROR:
default:
throw new JSONException("syntax error, pos " + lexer.getBufferPosition());
}
}
@SuppressWarnings({"unchecked", "rawtypes"})
public final Object parseObject(final Map object, Object fieldName) {
final JSONLexer lexer = this.lexer;
if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
throw new JSONException("syntax error, expect {, actual " + lexer.tokenName());
}
ParseContext context = this.getContext();
try {
boolean setContextFlag = false;
for (; ; ) {
lexer.skipWhitespace();
char ch = lexer.getCurrent();
if (isEnabled(Feature.AllowArbitraryCommas)) {
while (ch == ',') {
lexer.next();
lexer.skipWhitespace();
ch = lexer.getCurrent();
}
}
boolean isObjectKey = false;
Object key;
if (ch == '"') {
key = lexer.scanSymbol(symbolTable, '"');
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos() + ", name " + key);
}
} else if (ch == '}') {
lexer.next();
lexer.resetStringPosition();
lexer.nextToken();
return object;
} else if (ch == '\'') {
if (!isEnabled(Feature.AllowSingleQuotes)) {
throw new JSONException("syntax error");
}
key = lexer.scanSymbol(symbolTable, '\'');
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos());
}
} else if (ch == EOI) {
throw new JSONException("syntax error");
} else if (ch == ',') {
throw new JSONException("syntax error");
} else if ((ch >= '0' && ch <= '9') || ch == '-') {
lexer.resetStringPosition();
lexer.scanNumber();
if (lexer.token() == JSONToken.LITERAL_INT) {
key = lexer.integerValue();
} else {
key = lexer.decimalValue(true);
}
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos() + ", name " + key);
}
} else if (ch == '{' || ch == '[') {
lexer.nextToken();
key = parse();
isObjectKey = true;
} else {
if (!isEnabled(Feature.AllowUnQuotedFieldNames)) {
throw new JSONException("syntax error");
}
key = lexer.scanSymbolUnQuoted(symbolTable);
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos() + ", actual " + ch);
}
}
if (!isObjectKey) {
lexer.next();
lexer.skipWhitespace();
}
ch = lexer.getCurrent();
lexer.resetStringPosition();
if (key == JSON.DEFAULT_TYPE_KEY) {
String typeName = lexer.scanSymbol(symbolTable, '"');
Class<?> clazz = TypeUtils.loadClass(typeName);
if (clazz == null) {
object.put(JSON.DEFAULT_TYPE_KEY, typeName);
continue;
}
lexer.nextToken(JSONToken.COMMA);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
try {
Object instance = null;
ObjectDeserializer deserializer = this.config.getDeserializer(clazz);
if (deserializer instanceof JavaBeanDeserializer) {
instance = ((JavaBeanDeserializer) deserializer).createInstance(this, clazz);
}
if (instance == null) {
if (clazz == Cloneable.class) {
instance = new HashMap();
} else {
instance = clazz.newInstance();
}
}
return instance;
} catch (Exception e) {
throw new JSONException("create instance error", e);
}
}
this.setResolveStatus(TypeNameRedirect);
if (this.context != null && !(fieldName instanceof Integer)) {
this.popContext();
}
ObjectDeserializer deserializer = config.getDeserializer(clazz);
return deserializer.deserialze(this, clazz, fieldName);
}
if (key == "$ref") {
lexer.nextToken(JSONToken.LITERAL_STRING);
if (lexer.token() == JSONToken.LITERAL_STRING) {
String ref = lexer.stringVal();
lexer.nextToken(JSONToken.RBRACE);
Object refValue = null;
if ("@".equals(ref)) {
if (this.getContext() != null) {
refValue = this.getContext().getObject();
}
} else if ("..".equals(ref)) {
ParseContext parentContext = context.getParentContext();
if (parentContext.getObject() != null) {
refValue = parentContext.getObject();
} else {
addResolveTask(new ResolveTask(parentContext, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
} else if ("$".equals(ref)) {
ParseContext rootContext = context;
while (rootContext.getParentContext() != null) {
rootContext = rootContext.getParentContext();
}
if (rootContext.getObject() != null) {
refValue = rootContext.getObject();
} else {
addResolveTask(new ResolveTask(rootContext, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
} else {
addResolveTask(new ResolveTask(context, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
if (lexer.token() != JSONToken.RBRACE) {
throw new JSONException("syntax error");
}
lexer.nextToken(JSONToken.COMMA);
return refValue;
} else {
throw new JSONException("illegal ref, " + JSONToken.name(lexer.token()));
}
}
if (!setContextFlag) {
setContext(object, fieldName);
setContextFlag = true;
// fix Issue #40
if (this.context != null && !(fieldName instanceof Integer)) {
this.popContext();
}
}
Object value;
if (ch == '"') {
lexer.scanString();
String strValue = lexer.stringVal();
value = strValue;
if (lexer.isEnabled(Feature.AllowISO8601DateFormat)) {
JSONScanner iso8601Lexer = new JSONScanner(strValue);
if (iso8601Lexer.scanISO8601DateIfMatch()) {
value = iso8601Lexer.getCalendar().getTime();
}
iso8601Lexer.close();
}
if (object.getClass() == JSONObject.class) {
object.put(key.toString(), value);
} else {
object.put(key, value);
}
} else if (ch >= '0' && ch <= '9' || ch == '-') {
lexer.scanNumber();
if (lexer.token() == JSONToken.LITERAL_INT) {
value = lexer.integerValue();
} else {
value = lexer.numberValue();
}
object.put(key, value);
} else if (ch == '[') { // 减少嵌套，兼容android
lexer.nextToken();
JSONArray list = new JSONArray();
this.parseArray(list, key);
value = list;
object.put(key, value);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
return object;
} else if (lexer.token() == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error");
}
} else if (ch == '{') { // 减少嵌套，兼容android
lexer.nextToken();
Object obj = this.parseObject(new JSONObject(), key);
checkMapResolve(object, key.toString());
if (object.getClass() == JSONObject.class) {
object.put(key.toString(), obj);
} else {
object.put(key, obj);
}
setContext(context, obj, key);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
setContext(context);
return object;
} else if (lexer.token() == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error, " + lexer.tokenName());
}
} else {
lexer.nextToken();
value = parse();
object.put(key, value);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
return object;
} else if (lexer.token() == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error, position at " + lexer.pos() + ", name " + key);
}
}
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch == ',') {
lexer.next();
continue;
} else if (ch == '}') {
lexer.next();
lexer.resetStringPosition();
lexer.nextToken();
this.setContext(object, fieldName);
return object;
} else {
throw new JSONException("syntax error, position at " + lexer.pos() + ", name " + key);
}
}
} finally {
this.setContext(context);
}
}
@SuppressWarnings({"unchecked", "rawtypes"})
public final Object parseObject(final Map object, Object fieldName) {
final JSONLexer lexer = this.lexer;
if (lexer.token() == JSONToken.NULL) {
lexer.nextToken();
return null;
}
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
return object;
}
if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
throw new JSONException(
"syntax error, expect {, actual " + lexer.tokenName() + ", " + lexer.info());
}
ParseContext context = this.context;
try {
boolean setContextFlag = false;
for (; ; ) {
lexer.skipWhitespace();
char ch = lexer.getCurrent();
if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
while (ch == ',') {
lexer.next();
lexer.skipWhitespace();
ch = lexer.getCurrent();
}
}
boolean isObjectKey = false;
Object key;
if (ch == '"') {
key = lexer.scanSymbol(symbolTable, '"');
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos() + ", name " + key);
}
} else if (ch == '}') {
lexer.next();
lexer.resetStringPosition();
lexer.nextToken();
return object;
} else if (ch == '\'') {
if (!lexer.isEnabled(Feature.AllowSingleQuotes)) {
throw new JSONException("syntax error");
}
key = lexer.scanSymbol(symbolTable, '\'');
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos());
}
} else if (ch == EOI) {
throw new JSONException("syntax error");
} else if (ch == ',') {
throw new JSONException("syntax error");
} else if ((ch >= '0' && ch <= '9') || ch == '-') {
lexer.resetStringPosition();
lexer.scanNumber();
try {
if (lexer.token() == JSONToken.LITERAL_INT) {
key = lexer.integerValue();
} else {
key = lexer.decimalValue(true);
}
} catch (NumberFormatException e) {
throw new JSONException("parse number key error" + lexer.info());
}
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("parse number key error" + lexer.info());
}
} else if (ch == '{' || ch == '[') {
lexer.nextToken();
key = parse();
isObjectKey = true;
} else {
if (!lexer.isEnabled(Feature.AllowUnQuotedFieldNames)) {
throw new JSONException("syntax error");
}
key = lexer.scanSymbolUnQuoted(symbolTable);
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch != ':') {
throw new JSONException("expect ':' at " + lexer.pos() + ", actual " + ch);
}
}
if (!isObjectKey) {
lexer.next();
lexer.skipWhitespace();
}
ch = lexer.getCurrent();
lexer.resetStringPosition();
if (key == JSON.DEFAULT_TYPE_KEY && !lexer.isEnabled(Feature.DisableSpecialKeyDetect)) {
String typeName = lexer.scanSymbol(symbolTable, '"');
Class<?> clazz = TypeUtils.loadClass(typeName, config.getDefaultClassLoader());
if (clazz == null) {
object.put(JSON.DEFAULT_TYPE_KEY, typeName);
continue;
}
lexer.nextToken(JSONToken.COMMA);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken(JSONToken.COMMA);
try {
Object instance = null;
ObjectDeserializer deserializer = this.config.getDeserializer(clazz);
if (deserializer instanceof JavaBeanDeserializer) {
instance = ((JavaBeanDeserializer) deserializer).createInstance(this, clazz);
}
if (instance == null) {
if (clazz == Cloneable.class) {
instance = new HashMap();
} else if ("java.util.Collections$EmptyMap".equals(typeName)) {
instance = Collections.emptyMap();
} else {
instance = clazz.newInstance();
}
}
return instance;
} catch (Exception e) {
throw new JSONException("create instance error", e);
}
}
this.setResolveStatus(TypeNameRedirect);
if (this.context != null && !(fieldName instanceof Integer)) {
this.popContext();
}
if (object.size() > 0) {
Object newObj = TypeUtils.cast(object, clazz, this.config);
this.parseObject(newObj);
return newObj;
}
ObjectDeserializer deserializer = config.getDeserializer(clazz);
return deserializer.deserialze(this, clazz, fieldName);
}
if (key == "$ref" && !lexer.isEnabled(Feature.DisableSpecialKeyDetect)) {
lexer.nextToken(JSONToken.LITERAL_STRING);
if (lexer.token() == JSONToken.LITERAL_STRING) {
String ref = lexer.stringVal();
lexer.nextToken(JSONToken.RBRACE);
Object refValue = null;
if ("@".equals(ref)) {
if (this.context != null) {
ParseContext thisContext = this.context;
Object thisObj = thisContext.object;
if (thisObj instanceof Object[] || thisObj instanceof Collection<?>) {
refValue = thisObj;
} else if (thisContext.parent != null) {
refValue = thisContext.parent.object;
}
}
} else if ("..".equals(ref)) {
if (context.object != null) {
refValue = context.object;
} else {
addResolveTask(new ResolveTask(context, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
} else if ("$".equals(ref)) {
ParseContext rootContext = context;
while (rootContext.parent != null) {
rootContext = rootContext.parent;
}
if (rootContext.object != null) {
refValue = rootContext.object;
} else {
addResolveTask(new ResolveTask(rootContext, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
} else {
addResolveTask(new ResolveTask(context, ref));
setResolveStatus(DefaultJSONParser.NeedToResolve);
}
if (lexer.token() != JSONToken.RBRACE) {
throw new JSONException("syntax error");
}
lexer.nextToken(JSONToken.COMMA);
return refValue;
} else {
throw new JSONException("illegal ref, " + JSONToken.name(lexer.token()));
}
}
if (!setContextFlag) {
ParseContext contextR = setContext(object, fieldName);
if (context == null) {
context = contextR;
}
setContextFlag = true;
}
if (object.getClass() == JSONObject.class) {
key = (key == null) ? "null" : key.toString();
}
Object value;
if (ch == '"') {
lexer.scanString();
String strValue = lexer.stringVal();
value = strValue;
if (lexer.isEnabled(Feature.AllowISO8601DateFormat)) {
JSONScanner iso8601Lexer = new JSONScanner(strValue);
if (iso8601Lexer.scanISO8601DateIfMatch()) {
value = iso8601Lexer.getCalendar().getTime();
}
iso8601Lexer.close();
}
object.put(key, value);
} else if (ch >= '0' && ch <= '9' || ch == '-') {
lexer.scanNumber();
if (lexer.token() == JSONToken.LITERAL_INT) {
value = lexer.integerValue();
} else {
value = lexer.decimalValue(lexer.isEnabled(Feature.UseBigDecimal));
}
object.put(key, value);
} else if (ch == '[') { // 减少嵌套，兼容android
lexer.nextToken();
JSONArray list = new JSONArray();
this.parseArray(list, key);
if (lexer.isEnabled(Feature.UseObjectArray)) {
value = list.toArray();
} else {
value = list;
}
object.put(key, value);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
return object;
} else if (lexer.token() == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error");
}
} else if (ch == '{') { // 减少嵌套，兼容android
lexer.nextToken();
final boolean parentIsArray = fieldName != null && fieldName.getClass() == Integer.class;
JSONObject input = new JSONObject(lexer.isEnabled(Feature.OrderedField));
ParseContext ctxLocal = null;
if (!parentIsArray) {
ctxLocal = setContext(context, input, key);
}
Object obj = null;
boolean objParsed = false;
if (fieldTypeResolver != null) {
String resolveFieldName = key != null ? key.toString() : null;
Type fieldType = fieldTypeResolver.resolve(object, resolveFieldName);
if (fieldType != null) {
ObjectDeserializer fieldDeser = config.getDeserializer(fieldType);
obj = fieldDeser.deserialze(this, fieldType, key);
objParsed = true;
}
}
if (!objParsed) {
obj = this.parseObject(input, key);
}
if (ctxLocal != null && input != obj) {
ctxLocal.object = object;
}
checkMapResolve(object, key.toString());
if (object.getClass() == JSONObject.class) {
object.put(key.toString(), obj);
} else {
object.put(key, obj);
}
if (parentIsArray) {
// setContext(context, obj, key);
setContext(obj, key);
}
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
setContext(context);
return object;
} else if (lexer.token() == JSONToken.COMMA) {
if (parentIsArray) {
this.popContext();
}
continue;
} else {
throw new JSONException("syntax error, " + lexer.tokenName());
}
} else {
lexer.nextToken();
value = parse();
if (object.getClass() == JSONObject.class) {
key = key.toString();
}
object.put(key, value);
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
return object;
} else if (lexer.token() == JSONToken.COMMA) {
continue;
} else {
throw new JSONException("syntax error, position at " + lexer.pos() + ", name " + key);
}
}
lexer.skipWhitespace();
ch = lexer.getCurrent();
if (ch == ',') {
lexer.next();
continue;
} else if (ch == '}') {
lexer.next();
lexer.resetStringPosition();
lexer.nextToken();
// this.setContext(object, fieldName);
this.setContext(value, key);
return object;
} else {
throw new JSONException("syntax error, position at " + lexer.pos() + ", name " + key);
}
}
} finally {
this.setContext(context);
}
}