/*
* Copyright 1999-2101 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.serializer;
import java.io.File;
import java.io.Serializable;
import java.lang.ref.SoftReference;
import java.lang.ref.WeakReference;
import java.lang.reflect.Modifier;
import java.lang.reflect.Proxy;
import java.lang.reflect.Type;
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.sql.Clob;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Collection;
import java.util.Currency;
import java.util.Date;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import java.util.UUID;
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.JSON;
import com.alibaba.fastjson.JSONAware;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONStreamAware;
import com.alibaba.fastjson.annotation.JSONType;
import com.alibaba.fastjson.parser.deserializer.Jdk8DateCodec;
import com.alibaba.fastjson.util.ASMUtils;
import com.alibaba.fastjson.util.IdentityHashMap;
import com.alibaba.fastjson.util.ServiceLoader;
/**
* circular references detect
*
* @author wenshao[szujobs@hotmail.com]
*/
public class SerializeConfig extends IdentityHashMap<Type, ObjectSerializer> {
private final static SerializeConfig globalInstance = new SerializeConfig();
private boolean asm = !ASMUtils.isAndroid();;
private ASMSerializerFactory asmFactory;
private String typeKey = JSON.DEFAULT_TYPE_KEY;
public String getTypeKey() {
return typeKey;
}
public void setTypeKey(String typeKey) {
this.typeKey = typeKey;
}
public final ObjectSerializer createASMSerializer(Class<?> clazz)
throws Exception {
return asmFactory.createJavaBeanSerializer(clazz, null);
}
public ObjectSerializer createJavaBeanSerializer(Class<?> clazz) {
if (!Modifier.isPublic(clazz.getModifiers())) {
return new JavaBeanSerializer(clazz);
}
boolean asm = this.asm;
if (asm && asmFactory.isExternalClass(clazz)
|| clazz == Serializable.class || clazz == Object.class) {
asm = false;
}
{
JSONType annotation = clazz.getAnnotation(JSONType.class);
if (annotation != null && annotation.asm() == false) {
asm = false;
}
}
if (asm && !ASMUtils.checkName(clazz.getName())) {
asm = false;
}
if (asm) {
try {
ObjectSerializer asmSerializer = createASMSerializer(clazz);
if (asmSerializer != null) {
return asmSerializer;
}
} catch (ClassCastException e) {
// skip
} catch (Throwable e) {
throw new JSONException("create asm serializer error, class "
+ clazz, e);
}
}
return new JavaBeanSerializer(clazz);
}
public boolean isAsmEnable() {
return asm;
}
public void setAsmEnable(boolean asmEnable) {
this.asm = asmEnable;
}
public final static SerializeConfig getGlobalInstance() {
return globalInstance;
}
public SerializeConfig() {
this(DEFAULT_TABLE_SIZE);
}
public SerializeConfig(int tableSize) {
super(tableSize);
try {
asmFactory = new ASMSerializerFactory();
} catch (NoClassDefFoundError eror) {
asm = false;
} catch (ExceptionInInitializerError error) {
asm = false;
}
put(Boolean.class, BooleanCodec.instance);
put(Character.class, CharacterCodec.instance);
put(Byte.class, IntegerCodec.instance);
put(Short.class, IntegerCodec.instance);
put(Integer.class, IntegerCodec.instance);
put(Long.class, LongCodec.instance);
put(Float.class, FloatCodec.instance);
put(Double.class, DoubleSerializer.instance);
put(BigDecimal.class, BigDecimalCodec.instance);
put(BigInteger.class, BigIntegerCodec.instance);
put(String.class, StringCodec.instance);
put(byte[].class, ByteArraySerializer.instance);
put(short[].class, ShortArraySerializer.instance);
put(int[].class, IntArraySerializer.instance);
put(long[].class, LongArraySerializer.instance);
put(float[].class, FloatArraySerializer.instance);
put(double[].class, DoubleArraySerializer.instance);
put(boolean[].class, BooleanArraySerializer.instance);
put(char[].class, CharArraySerializer.instance);
put(Object[].class, ObjectArraySerializer.instance);
put(Class.class, ClassSerializer.instance);
put(SimpleDateFormat.class, DateFormatSerializer.instance);
put(Locale.class, LocaleCodec.instance);
put(Currency.class, CurrencyCodec.instance);
put(TimeZone.class, TimeZoneCodec.instance);
put(UUID.class, UUIDCodec.instance);
put(InetAddress.class, InetAddressCodec.instance);
put(Inet4Address.class, InetAddressCodec.instance);
put(Inet6Address.class, InetAddressCodec.instance);
put(InetSocketAddress.class, InetSocketAddressCodec.instance);
put(File.class, FileCodec.instance);
put(URI.class, URICodec.instance);
put(URL.class, URLCodec.instance);
put(Appendable.class, AppendableSerializer.instance);
put(StringBuffer.class, AppendableSerializer.instance);
put(StringBuilder.class, AppendableSerializer.instance);
put(Pattern.class, PatternCodec.instance);
put(Charset.class, CharsetCodec.instance);
// atomic
put(AtomicBoolean.class, AtomicBooleanSerializer.instance);
put(AtomicInteger.class, AtomicIntegerSerializer.instance);
put(AtomicLong.class, AtomicLongSerializer.instance);
put(AtomicReference.class, ReferenceCodec.instance);
put(AtomicIntegerArray.class, AtomicIntegerArrayCodec.instance);
put(AtomicLongArray.class, AtomicLongArrayCodec.instance);
put(WeakReference.class, ReferenceCodec.instance);
put(SoftReference.class, ReferenceCodec.instance);
// awt
try {
put(Class.forName("java.awt.Color"), ColorCodec.instance);
put(Class.forName("java.awt.Font"), FontCodec.instance);
put(Class.forName("java.awt.Point"), PointCodec.instance);
put(Class.forName("java.awt.Rectangle"),
RectangleCodec.instance);
} catch (Throwable e) {
// skip
}
// jdk8
try {
put(Class.forName("java.time.LocalDateTime"), Jdk8DateCodec.instance);
put(Class.forName("java.time.LocalDate"), Jdk8DateCodec.instance);
put(Class.forName("java.time.LocalTime"), Jdk8DateCodec.instance);
put(Class.forName("java.time.ZonedDateTime"), Jdk8DateCodec.instance);
put(Class.forName("java.time.OffsetDateTime"), Jdk8DateCodec.instance);
put(Class.forName("java.time.OffsetTime"), Jdk8DateCodec.instance);
put(Class.forName("java.time.ZoneOffset"), Jdk8DateCodec.instance);
put(Class.forName("java.time.ZoneRegion"), Jdk8DateCodec.instance);
put(Class.forName("java.time.Period"), Jdk8DateCodec.instance);
put(Class.forName("java.time.Duration"), Jdk8DateCodec.instance);
put(Class.forName("java.time.Instant"), Jdk8DateCodec.instance);
} catch (Throwable e) {
// skip
}
}
public ObjectSerializer getObjectWriter(Class<?> clazz) {
ObjectSerializer writer = get(clazz);
if (writer == null) {
try {
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
for (Object o : ServiceLoader.load(AutowiredObjectSerializer.class, classLoader)) {
if (!(o instanceof AutowiredObjectSerializer)) {
continue;
}
AutowiredObjectSerializer autowired = (AutowiredObjectSerializer) o;
for (Type forType : autowired.getAutowiredFor()) {
put(forType, autowired);
}
}
} catch (ClassCastException ex) {
// skip
}
writer = get(clazz);
}
if (writer == null) {
final ClassLoader classLoader = JSON.class.getClassLoader();
if (classLoader != Thread.currentThread().getContextClassLoader()) {
try {
for (Object o : ServiceLoader.load(AutowiredObjectSerializer.class, classLoader)) {
if (!(o instanceof AutowiredObjectSerializer)) {
continue;
}
AutowiredObjectSerializer autowired = (AutowiredObjectSerializer) o;
for (Type forType : autowired.getAutowiredFor()) {
put(forType, autowired);
}
}
} catch (ClassCastException ex) {
// skip
}
writer = get(clazz);
}
}
if (writer == null) {
if (Map.class.isAssignableFrom(clazz)) {
put(clazz, MapSerializer.instance);
} else if (List.class.isAssignableFrom(clazz)) {
put(clazz, ListSerializer.instance);
} else if (Collection.class.isAssignableFrom(clazz)) {
put(clazz, CollectionSerializer.instance);
} else if (Date.class.isAssignableFrom(clazz)) {
put(clazz, DateSerializer.instance);
} else if (JSONAware.class.isAssignableFrom(clazz)) {
put(clazz, JSONAwareSerializer.instance);
} else if (JSONSerializable.class.isAssignableFrom(clazz)) {
put(clazz, JSONSerializableSerializer.instance);
} else if (JSONStreamAware.class.isAssignableFrom(clazz)) {
put(clazz, JSONStreamAwareSerializer.instance);
} else if (clazz.isEnum() || (clazz.getSuperclass() != null && clazz.getSuperclass().isEnum())) {
put(clazz, EnumSerializer.instance);
} else if (clazz.isArray()) {
Class<?> componentType = clazz.getComponentType();
ObjectSerializer compObjectSerializer = getObjectWriter(componentType);
put(clazz, new ArraySerializer(componentType, compObjectSerializer));
} else if (Throwable.class.isAssignableFrom(clazz)) {
put(clazz, new ExceptionSerializer(clazz));
} else if (TimeZone.class.isAssignableFrom(clazz)) {
put(clazz, TimeZoneCodec.instance);
} else if (Appendable.class.isAssignableFrom(clazz)) {
put(clazz, AppendableSerializer.instance);
} else if (Charset.class.isAssignableFrom(clazz)) {
put(clazz, CharsetCodec.instance);
} else if (Enumeration.class.isAssignableFrom(clazz)) {
put(clazz, EnumerationSeriliazer.instance);
} else if (Calendar.class.isAssignableFrom(clazz)) {
put(clazz, CalendarCodec.instance);
} else if (Clob.class.isAssignableFrom(clazz)) {
put(clazz, ClobSeriliazer.instance);
} else {
boolean isCglibProxy = false;
boolean isJavassistProxy = false;
for (Class<?> item : clazz.getInterfaces()) {
if (item.getName().equals("net.sf.cglib.proxy.Factory")
|| item.getName().equals("org.springframework.cglib.proxy.Factory")) {
isCglibProxy = true;
break;
} else if (item.getName().equals("javassist.util.proxy.ProxyObject")) {
isJavassistProxy = true;
break;
}
}
if (isCglibProxy || isJavassistProxy) {
Class<?> superClazz = clazz.getSuperclass();
ObjectSerializer superWriter = getObjectWriter(superClazz);
put(clazz, superWriter);
return superWriter;
}
if (Proxy.isProxyClass(clazz)) {
put(clazz, createJavaBeanSerializer(clazz));
} else {
put(clazz, createJavaBeanSerializer(clazz));
}
}
writer = get(clazz);
}
return writer;
}
}