/*
* Copyright 1999-2017 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.fastjson.parser;
import java.io.Closeable;
import java.io.File;
import java.io.Serializable;
import java.lang.ref.SoftReference;
import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.lang.reflect.WildcardType;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URL;
import java.nio.charset.Charset;
import java.security.AccessControlException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Currency;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.TimeZone;
import java.util.TreeMap;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicIntegerArray;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicLongArray;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Pattern;
import com.alibaba.fastjson.*;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.annotation.JSONType;
import com.alibaba.fastjson.parser.deserializer.*;
import com.alibaba.fastjson.serializer.AtomicCodec;
import com.alibaba.fastjson.serializer.AwtCodec;
import com.alibaba.fastjson.serializer.BigDecimalCodec;
import com.alibaba.fastjson.serializer.BigIntegerCodec;
import com.alibaba.fastjson.serializer.BooleanCodec;
import com.alibaba.fastjson.serializer.CalendarCodec;
import com.alibaba.fastjson.serializer.CharArrayCodec;
import com.alibaba.fastjson.serializer.CharacterCodec;
import com.alibaba.fastjson.serializer.CollectionCodec;
import com.alibaba.fastjson.serializer.DateCodec;
import com.alibaba.fastjson.serializer.FloatCodec;
import com.alibaba.fastjson.serializer.IntegerCodec;
import com.alibaba.fastjson.serializer.LongCodec;
import com.alibaba.fastjson.serializer.MiscCodec;
import com.alibaba.fastjson.serializer.ObjectArrayCodec;
import com.alibaba.fastjson.serializer.ReferenceCodec;
import com.alibaba.fastjson.serializer.StringCodec;
import com.alibaba.fastjson.util.*;
import javax.sql.DataSource;
import javax.xml.datatype.XMLGregorianCalendar;
/**
* @author wenshao[szujobs@hotmail.com]
*/
public class ParserConfig {
public final static String DENY_PROPERTY = "fastjson.parser.deny";
public final static String AUTOTYPE_ACCEPT = "fastjson.parser.autoTypeAccept";
public final static String AUTOTYPE_SUPPORT_PROPERTY = "fastjson.parser.autoTypeSupport";
public static final String[] DENYS;
private static final String[] AUTO_TYPE_ACCEPT_LIST;
public static final boolean AUTO_SUPPORT;
static {
{
String property = IOUtils.getStringProperty(DENY_PROPERTY);
DENYS = splitItemsFormProperty(property);
}
{
String property = IOUtils.getStringProperty(AUTOTYPE_SUPPORT_PROPERTY);
AUTO_SUPPORT = "true".equals(property);
}
{
String property = IOUtils.getStringProperty(AUTOTYPE_ACCEPT);
String[] items = splitItemsFormProperty(property);
if (items == null) {
items = new String[0];
}
AUTO_TYPE_ACCEPT_LIST = items;
}
}
public static ParserConfig getGlobalInstance() {
return global;
}
public static ParserConfig global = new ParserConfig();
private final IdentityHashMap<Type, ObjectDeserializer> deserializers = new IdentityHashMap<Type, ObjectDeserializer>();
private boolean asmEnable = !ASMUtils.IS_ANDROID;
public final SymbolTable symbolTable = new SymbolTable(4096);
public PropertyNamingStrategy propertyNamingStrategy;
protected ClassLoader defaultClassLoader;
protected ASMDeserializerFactory asmFactory;
private static boolean awtError = false;
private static boolean jdk8Error = false;
private boolean autoTypeSupport = AUTO_SUPPORT;
private String[] denyList = "bsh,com.mchange,com.sun.,java.lang.Thread,java.net.Socket,java.rmi,javax.xml,org.apache.bcel,org.apache.commons.beanutils,org.apache.commons.collections.Transformer,org.apache.commons.collections.functors,org.apache.commons.collections4.comparators,org.apache.commons.fileupload,org.apache.myfaces.context.servlet,org.apache.tomcat,org.apache.wicket.util,org.codehaus.groovy.runtime,org.hibernate,org.jboss,org.mozilla.javascript,org.python.core,org.springframework".split(",");
private String[] acceptList = AUTO_TYPE_ACCEPT_LIST;
private int maxTypeNameLength = 256;
public final boolean fieldBased;
public boolean compatibleWithJavaBean = TypeUtils.compatibleWithJavaBean;
public ParserConfig(){
this(false);
}
public ParserConfig(boolean fieldBase){
this(null, null, fieldBase);
}
public ParserConfig(ClassLoader parentClassLoader){
this(null, parentClassLoader, false);
}
public ParserConfig(ASMDeserializerFactory asmFactory){
this(asmFactory, null, false);
}
private ParserConfig(ASMDeserializerFactory asmFactory, ClassLoader parentClassLoader, boolean fieldBased){
this.fieldBased = fieldBased;
if (asmFactory == null && !ASMUtils.IS_ANDROID) {
try {
if (parentClassLoader == null) {
asmFactory = new ASMDeserializerFactory(new ASMClassLoader());
} else {
asmFactory = new ASMDeserializerFactory(parentClassLoader);
}
} catch (ExceptionInInitializerError error) {
// skip
} catch (AccessControlException error) {
// skip
} catch (NoClassDefFoundError error) {
// skip
}
}
this.asmFactory = asmFactory;
if (asmFactory == null) {
asmEnable = false;
}
deserializers.put(SimpleDateFormat.class, MiscCodec.instance);
deserializers.put(java.sql.Timestamp.class, SqlDateDeserializer.instance_timestamp);
deserializers.put(java.sql.Date.class, SqlDateDeserializer.instance);
deserializers.put(java.sql.Time.class, TimeDeserializer.instance);
deserializers.put(java.util.Date.class, DateCodec.instance);
deserializers.put(Calendar.class, CalendarCodec.instance);
deserializers.put(XMLGregorianCalendar.class, CalendarCodec.instance);
deserializers.put(JSONObject.class, MapDeserializer.instance);
deserializers.put(JSONArray.class, CollectionCodec.instance);
deserializers.put(Map.class, MapDeserializer.instance);
deserializers.put(HashMap.class, MapDeserializer.instance);
deserializers.put(LinkedHashMap.class, MapDeserializer.instance);
deserializers.put(TreeMap.class, MapDeserializer.instance);
deserializers.put(ConcurrentMap.class, MapDeserializer.instance);
deserializers.put(ConcurrentHashMap.class, MapDeserializer.instance);
deserializers.put(Collection.class, CollectionCodec.instance);
deserializers.put(List.class, CollectionCodec.instance);
deserializers.put(ArrayList.class, CollectionCodec.instance);
deserializers.put(Object.class, JavaObjectDeserializer.instance);
deserializers.put(String.class, StringCodec.instance);
deserializers.put(StringBuffer.class, StringCodec.instance);
deserializers.put(StringBuilder.class, StringCodec.instance);
deserializers.put(char.class, CharacterCodec.instance);
deserializers.put(Character.class, CharacterCodec.instance);
deserializers.put(byte.class, NumberDeserializer.instance);
deserializers.put(Byte.class, NumberDeserializer.instance);
deserializers.put(short.class, NumberDeserializer.instance);
deserializers.put(Short.class, NumberDeserializer.instance);
deserializers.put(int.class, IntegerCodec.instance);
deserializers.put(Integer.class, IntegerCodec.instance);
deserializers.put(long.class, LongCodec.instance);
deserializers.put(Long.class, LongCodec.instance);
deserializers.put(BigInteger.class, BigIntegerCodec.instance);
deserializers.put(BigDecimal.class, BigDecimalCodec.instance);
deserializers.put(float.class, FloatCodec.instance);
deserializers.put(Float.class, FloatCodec.instance);
deserializers.put(double.class, NumberDeserializer.instance);
deserializers.put(Double.class, NumberDeserializer.instance);
deserializers.put(boolean.class, BooleanCodec.instance);
deserializers.put(Boolean.class, BooleanCodec.instance);
deserializers.put(Class.class, MiscCodec.instance);
deserializers.put(char[].class, new CharArrayCodec());
deserializers.put(AtomicBoolean.class, BooleanCodec.instance);
deserializers.put(AtomicInteger.class, IntegerCodec.instance);
deserializers.put(AtomicLong.class, LongCodec.instance);
deserializers.put(AtomicReference.class, ReferenceCodec.instance);
deserializers.put(WeakReference.class, ReferenceCodec.instance);
deserializers.put(SoftReference.class, ReferenceCodec.instance);
deserializers.put(UUID.class, MiscCodec.instance);
deserializers.put(TimeZone.class, MiscCodec.instance);
deserializers.put(Locale.class, MiscCodec.instance);
deserializers.put(Currency.class, MiscCodec.instance);
deserializers.put(InetAddress.class, MiscCodec.instance);
deserializers.put(Inet4Address.class, MiscCodec.instance);
deserializers.put(Inet6Address.class, MiscCodec.instance);
deserializers.put(InetSocketAddress.class, MiscCodec.instance);
deserializers.put(File.class, MiscCodec.instance);
deserializers.put(URI.class, MiscCodec.instance);
deserializers.put(URL.class, MiscCodec.instance);
deserializers.put(Pattern.class, MiscCodec.instance);
deserializers.put(Charset.class, MiscCodec.instance);
deserializers.put(JSONPath.class, MiscCodec.instance);
deserializers.put(Number.class, NumberDeserializer.instance);
deserializers.put(AtomicIntegerArray.class, AtomicCodec.instance);
deserializers.put(AtomicLongArray.class, AtomicCodec.instance);
deserializers.put(StackTraceElement.class, StackTraceElementDeserializer.instance);
deserializers.put(Serializable.class, JavaObjectDeserializer.instance);
deserializers.put(Cloneable.class, JavaObjectDeserializer.instance);
deserializers.put(Comparable.class, JavaObjectDeserializer.instance);
deserializers.put(Closeable.class, JavaObjectDeserializer.instance);
deserializers.put(JSONPObject.class, new JSONPDeserializer());
addItemsToDeny(DENYS);
addItemsToAccept(AUTO_TYPE_ACCEPT_LIST);
}
private static String[] splitItemsFormProperty(final String property ){
if (property != null && property.length() > 0) {
return property.split(",");
}
return null;
}
public void configFromPropety(Properties properties) {
{
String property = properties.getProperty(DENY_PROPERTY);
String[] items = splitItemsFormProperty(property);
addItemsToDeny(items);
}
{
String property = properties.getProperty(AUTOTYPE_ACCEPT);
String[] items = splitItemsFormProperty(property);
addItemsToAccept(items);
}
{
String property = properties.getProperty(AUTOTYPE_SUPPORT_PROPERTY);
if ("true".equals(property)) {
this.autoTypeSupport = true;
} else if ("false".equals(property)) {
this.autoTypeSupport = false;
}
}
}
private void addItemsToDeny(final String[] items){
if (items == null){
return;
}
for (int i = 0; i < items.length; ++i) {
String item = items[i];
this.addDeny(item);
}
}
private void addItemsToAccept(final String[] items){
if (items == null){
return;
}
for (int i = 0; i < items.length; ++i) {
String item = items[i];
this.addAccept(item);
}
}
public boolean isAutoTypeSupport() {
return autoTypeSupport;
}
public void setAutoTypeSupport(boolean autoTypeSupport) {
this.autoTypeSupport = autoTypeSupport;
}
public boolean isAsmEnable() {
return asmEnable;
}
public void setAsmEnable(boolean asmEnable) {
this.asmEnable = asmEnable;
}
public IdentityHashMap<Type, ObjectDeserializer> getDeserializers() {
return deserializers;
}
public ObjectDeserializer getDeserializer(Type type) {
ObjectDeserializer derializer = this.deserializers.get(type);
if (derializer != null) {
return derializer;
}
if (type instanceof Class<?>) {
return getDeserializer((Class<?>) type, type);
}
if (type instanceof ParameterizedType) {
Type rawType = ((ParameterizedType) type).getRawType();
if (rawType instanceof Class<?>) {
return getDeserializer((Class<?>) rawType, type);
} else {
return getDeserializer(rawType);
}
}
return JavaObjectDeserializer.instance;
}
public ObjectDeserializer getDeserializer(Class<?> clazz, Type type) {
ObjectDeserializer derializer = deserializers.get(type);
if (derializer != null) {
return derializer;
}
if (type == null) {
type = clazz;
}
derializer = deserializers.get(type);
if (derializer != null) {
return derializer;
}
{
JSONType annotation = clazz.getAnnotation(JSONType.class);
if (annotation != null) {
Class<?> mappingTo = annotation.mappingTo();
if (mappingTo != Void.class) {
return getDeserializer(mappingTo, mappingTo);
}
}
}
if (type instanceof WildcardType || type instanceof TypeVariable || type instanceof ParameterizedType) {
derializer = deserializers.get(clazz);
}
if (derializer != null) {
return derializer;
}
String className = clazz.getName();
className = className.replace('$', '.');
if (className.startsWith("java.awt.") //
&& AwtCodec.support(clazz)) {
if (!awtError) {
try {
deserializers.put(Class.forName("java.awt.Point"), AwtCodec.instance);
deserializers.put(Class.forName("java.awt.Font"), AwtCodec.instance);
deserializers.put(Class.forName("java.awt.Rectangle"), AwtCodec.instance);
deserializers.put(Class.forName("java.awt.Color"), AwtCodec.instance);
} catch (Throwable e) {
// skip
awtError = true;
}
derializer = AwtCodec.instance;
}
}
if (!jdk8Error) {
try {
if (className.startsWith("java.time.")) {
deserializers.put(Class.forName("java.time.LocalDateTime"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.LocalDate"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.LocalTime"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.ZonedDateTime"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.OffsetDateTime"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.OffsetTime"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.ZoneOffset"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.ZoneRegion"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.ZoneId"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.Period"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.Duration"), Jdk8DateCodec.instance);
deserializers.put(Class.forName("java.time.Instant"), Jdk8DateCodec.instance);
derializer = deserializers.get(clazz);
} else if (className.startsWith("java.util.Optional")) {
deserializers.put(Class.forName("java.util.Optional"), OptionalCodec.instance);
deserializers.put(Class.forName("java.util.OptionalDouble"), OptionalCodec.instance);
deserializers.put(Class.forName("java.util.OptionalInt"), OptionalCodec.instance);
deserializers.put(Class.forName("java.util.OptionalLong"), OptionalCodec.instance);
derializer = deserializers.get(clazz);
}
} catch (Throwable e) {
// skip
jdk8Error = true;
}
}
if (className.equals("java.nio.file.Path")) {
deserializers.put(clazz, MiscCodec.instance);
}
if (clazz == Map.Entry.class) {
deserializers.put(clazz, MiscCodec.instance);
}
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
try {
for (AutowiredObjectDeserializer autowired : ServiceLoader.load(AutowiredObjectDeserializer.class,
classLoader)) {
for (Type forType : autowired.getAutowiredFor()) {
deserializers.put(forType, autowired);
}
}
} catch (Exception ex) {
// skip
}
if (derializer == null) {
derializer = deserializers.get(type);
}
if (derializer != null) {
return derializer;
}
if (clazz.isEnum()) {
derializer = new EnumDeserializer(clazz);
} else if (clazz.isArray()) {
derializer = ObjectArrayCodec.instance;
} else if (clazz == Set.class || clazz == HashSet.class || clazz == Collection.class || clazz == List.class
|| clazz == ArrayList.class) {
derializer = CollectionCodec.instance;
} else if (Collection.class.isAssignableFrom(clazz)) {
derializer = CollectionCodec.instance;
} else if (Map.class.isAssignableFrom(clazz)) {
derializer = MapDeserializer.instance;
} else if (Throwable.class.isAssignableFrom(clazz)) {
derializer = new ThrowableDeserializer(this, clazz);
} else {
derializer = createJavaBeanDeserializer(clazz, type);
}
putDeserializer(type, derializer);
return derializer;
}
/**
*
* @since 1.2.25
*/
public void initJavaBeanDeserializers(Class<?>... classes) {
if (classes == null) {
return;
}
for (Class<?> type : classes) {
if (type == null) {
continue;
}
ObjectDeserializer deserializer = createJavaBeanDeserializer(type, type);
putDeserializer(type, deserializer);
}
}
public ObjectDeserializer createJavaBeanDeserializer(Class<?> clazz, Type type) {
boolean asmEnable = this.asmEnable & !this.fieldBased;
if (asmEnable) {
JSONType jsonType = clazz.getAnnotation(JSONType.class);
if (jsonType != null) {
Class<?> deserializerClass = jsonType.deserializer();
if (deserializerClass != Void.class) {
try {
Object deseralizer = deserializerClass.newInstance();
if (deseralizer instanceof ObjectDeserializer) {
return (ObjectDeserializer) deseralizer;
}
} catch (Throwable e) {
// skip
}
}
asmEnable = jsonType.asm();
}
if (asmEnable) {
Class<?> superClass = JavaBeanInfo.getBuilderClass(jsonType);
if (superClass == null) {
superClass = clazz;
}
for (;;) {
if (!Modifier.isPublic(superClass.getModifiers())) {
asmEnable = false;
break;
}
superClass = superClass.getSuperclass();
if (superClass == Object.class || superClass == null) {
break;
}
}
}
}
if (clazz.getTypeParameters().length != 0) {
asmEnable = false;
}
if (asmEnable && asmFactory != null && asmFactory.classLoader.isExternalClass(clazz)) {
asmEnable = false;
}
if (asmEnable) {
asmEnable = ASMUtils.checkName(clazz.getSimpleName());
}
if (asmEnable) {
if (clazz.isInterface()) {
asmEnable = false;
}
JavaBeanInfo beanInfo = JavaBeanInfo.build(clazz, type, propertyNamingStrategy);
if (asmEnable && beanInfo.fields.length > 200) {
asmEnable = false;
}
Constructor<?> defaultConstructor = beanInfo.defaultConstructor;
if (asmEnable && defaultConstructor == null && !clazz.isInterface()) {
asmEnable = false;
}
for (FieldInfo fieldInfo : beanInfo.fields) {
if (fieldInfo.getOnly) {
asmEnable = false;
break;
}
Class<?> fieldClass = fieldInfo.fieldClass;
if (!Modifier.isPublic(fieldClass.getModifiers())) {
asmEnable = false;
break;
}
if (fieldClass.isMemberClass() && !Modifier.isStatic(fieldClass.getModifiers())) {
asmEnable = false;
break;
}
if (fieldInfo.getMember() != null //
&& !ASMUtils.checkName(fieldInfo.getMember().getName())) {
asmEnable = false;
break;
}
JSONField annotation = fieldInfo.getAnnotation();
if (annotation != null //
&& ((!ASMUtils.checkName(annotation.name())) //
|| annotation.format().length() != 0 //
|| annotation.deserializeUsing() != Void.class //
|| annotation.unwrapped())) {
asmEnable = false;
break;
}
if (fieldClass.isEnum()) { // EnumDeserializer
ObjectDeserializer fieldDeser = this.getDeserializer(fieldClass);
if (!(fieldDeser instanceof EnumDeserializer)) {
asmEnable = false;
break;
}
}
}
}
if (asmEnable) {
if (clazz.isMemberClass() && !Modifier.isStatic(clazz.getModifiers())) {
asmEnable = false;
}
}
if (!asmEnable) {
return new JavaBeanDeserializer(this, clazz, type);
}
JavaBeanInfo beanInfo = JavaBeanInfo.build(clazz, type, propertyNamingStrategy);
try {
return asmFactory.createJavaBeanDeserializer(this, beanInfo);
// } catch (VerifyError e) {
// e.printStackTrace();
// return new JavaBeanDeserializer(this, clazz, type);
} catch (NoSuchMethodException ex) {
return new JavaBeanDeserializer(this, clazz, type);
} catch (JSONException asmError) {
return new JavaBeanDeserializer(this, beanInfo);
} catch (Exception e) {
throw new JSONException("create asm deserializer error, " + clazz.getName(), e);
}
}
public FieldDeserializer createFieldDeserializer(ParserConfig mapping, //
JavaBeanInfo beanInfo, //
FieldInfo fieldInfo) {
Class<?> clazz = beanInfo.clazz;
Class<?> fieldClass = fieldInfo.fieldClass;
Class<?> deserializeUsing = null;
JSONField annotation = fieldInfo.getAnnotation();
if (annotation != null) {
deserializeUsing = annotation.deserializeUsing();
if (deserializeUsing == Void.class) {
deserializeUsing = null;
}
}
if (deserializeUsing == null && (fieldClass == List.class || fieldClass == ArrayList.class)) {
return new ArrayListTypeFieldDeserializer(mapping, clazz, fieldInfo);
}
return new DefaultFieldDeserializer(mapping, clazz, fieldInfo);
}
public void putDeserializer(Type type, ObjectDeserializer deserializer) {
deserializers.put(type, deserializer);
}
public ObjectDeserializer getDeserializer(FieldInfo fieldInfo) {
return getDeserializer(fieldInfo.fieldClass, fieldInfo.fieldType);
}
/**
* @deprecated internal method, dont call
*/
public boolean isPrimitive(Class<?> clazz) {
return isPrimitive2(clazz);
}
/**
* @deprecated internal method, dont call
*/
public static boolean isPrimitive2(Class<?> clazz) {
return clazz.isPrimitive() //
|| clazz == Boolean.class //
|| clazz == Character.class //
|| clazz == Byte.class //
|| clazz == Short.class //
|| clazz == Integer.class //
|| clazz == Long.class //
|| clazz == Float.class //
|| clazz == Double.class //
|| clazz == BigInteger.class //
|| clazz == BigDecimal.class //
|| clazz == String.class //
|| clazz == java.util.Date.class //
|| clazz == java.sql.Date.class //
|| clazz == java.sql.Time.class //
|| clazz == java.sql.Timestamp.class //
|| clazz.isEnum() //
;
}
/**
* fieldName,field ，先生成fieldName的快照，减少之后的findField的轮询
*
* @param clazz
* @param fieldCacheMap :map<fieldName ,Field>
*/
public static void parserAllFieldToCache(Class<?> clazz,Map</**fieldName*/String , Field> fieldCacheMap){
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
String fieldName = field.getName();
if (!fieldCacheMap.containsKey(fieldName)) {
fieldCacheMap.put(fieldName, field);
}
}
if (clazz.getSuperclass() != null && clazz.getSuperclass() != Object.class) {
parserAllFieldToCache(clazz.getSuperclass(), fieldCacheMap);
}
}
public static Field getFieldFromCache(String fieldName, Map<String, Field> fieldCacheMap) {
Field field = fieldCacheMap.get(fieldName);
if (field == null) {
field = fieldCacheMap.get("_" + fieldName);
}
if (field == null) {
field = fieldCacheMap.get("m_" + fieldName);
}
if (field == null) {
char c0 = fieldName.charAt(0);
if (c0 >= 'a' && c0 <= 'z') {
char[] chars = fieldName.toCharArray();
chars[0] -= 32; // lower
String fieldNameX = new String(chars);
field = fieldCacheMap.get(fieldNameX);
}
}
return field;
}
public ClassLoader getDefaultClassLoader() {
return defaultClassLoader;
}
public void setDefaultClassLoader(ClassLoader defaultClassLoader) {
this.defaultClassLoader = defaultClassLoader;
}
public void addDeny(String name) {
if (name == null || name.length() == 0) {
return;
}
for (String item : denyList) {
if (name.equals(item)) {
return; // skip duplication
}
}
String[] denyList = new String[this.denyList.length + 1];
System.arraycopy(this.denyList, 0, denyList, 0, this.denyList.length);
denyList[denyList.length - 1] = name;
this.denyList = denyList;
}
public void addAccept(String name) {
if (name == null || name.length() == 0) {
return;
}
for (String item : acceptList) {
if (name.equals(item)) {
return; // skip duplication
}
}
String[] acceptList = new String[this.acceptList.length + 1];
System.arraycopy(this.acceptList, 0, acceptList, 0, this.acceptList.length);
acceptList[acceptList.length - 1] = name;
this.acceptList = acceptList;
}
public Class<?> checkAutoType(String typeName, Class<?> expectClass) {
if (typeName == null) {
return null;
}
if (typeName.length() >= maxTypeNameLength) {
throw new JSONException("autoType is not support. " + typeName);
}
final String className = typeName.replace('$', '.');
if (autoTypeSupport || expectClass != null) {
for (int i = 0; i < acceptList.length; ++i) {
String accept = acceptList[i];
if (className.startsWith(accept)) {
return TypeUtils.loadClass(typeName, defaultClassLoader);
}
}
for (int i = 0; i < denyList.length; ++i) {
String deny = denyList[i];
if (className.startsWith(deny)) {
throw new JSONException("autoType is not support. " + typeName);
}
}
}
Class<?> clazz = TypeUtils.getClassFromMapping(typeName);
if (clazz == null) {
clazz = deserializers.findClass(typeName);
}
if (clazz != null) {
if (expectClass != null && !expectClass.isAssignableFrom(clazz)) {
throw new JSONException("type not match. " + typeName + " -> " + expectClass.getName());
}
return clazz;
}
if (!autoTypeSupport) {
for (int i = 0; i < denyList.length; ++i) {
String deny = denyList[i];
if (className.startsWith(deny)) {
throw new JSONException("autoType is not support. " + typeName);
}
}
for (int i = 0; i < acceptList.length; ++i) {
String accept = acceptList[i];
if (className.startsWith(accept)) {
clazz = TypeUtils.loadClass(typeName, defaultClassLoader);
if (expectClass != null && expectClass.isAssignableFrom(clazz)) {
throw new JSONException("type not match. " + typeName + " -> " + expectClass.getName());
}
return clazz;
}
}
}
if (autoTypeSupport || expectClass != null) {
clazz = TypeUtils.loadClass(typeName, defaultClassLoader);
}
if (clazz != null) {
if (ClassLoader.class.isAssignableFrom(clazz) // classloader is danger
|| DataSource.class.isAssignableFrom(clazz) // dataSource can load jdbc driver
) {
throw new JSONException("autoType is not support. " + typeName);
}
if (expectClass != null) {
if (expectClass.isAssignableFrom(clazz)) {
return clazz;
} else {
throw new JSONException("type not match. " + typeName + " -> " + expectClass.getName());
}
}
}
if (!autoTypeSupport) {
throw new JSONException("autoType is not support. " + typeName);
}
return clazz;
}
}