content: /*
   * 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.reflect.Modifier;
  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.text.SimpleDateFormat;
  import java.util.Locale;
  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.JSONException;
  import com.alibaba.fastjson.annotation.JSONType;
  import com.alibaba.fastjson.util.ASMUtils;
  import com.alibaba.fastjson.util.IdentityHashMap;
  
  /**
   * 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 final ASMSerializerFactory   asmFactory     = new ASMSerializerFactory();
  
      public final ObjectSerializer createASMSerializer(Class<?> clazz) throws Exception {
          return asmFactory.createJavaBeanSerializer(clazz);
      }
  
      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) {
              try {
                  return createASMSerializer(clazz);
              } catch (ClassCastException e) {
                  // skip
                  return new JavaBeanSerializer(clazz); 
              } 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);
  
          put(Boolean.class, BooleanSerializer.instance);
          put(Character.class, CharacterSerializer.instance);
          put(Byte.class, ByteSerializer.instance);
          put(Short.class, ShortSerializer.instance);
          put(Integer.class, IntegerSerializer.instance);
          put(Long.class, LongSerializer.instance);
          put(Float.class, FloatSerializer.instance);
          put(Double.class, DoubleSerializer.instance);
          put(BigDecimal.class, BigDecimalSerializer.instance);
          put(BigInteger.class, BigIntegerSerializer.instance);
          put(String.class, StringSerializer.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, LocaleSerializer.instance);
          put(TimeZone.class, TimeZoneSerializer.instance);
          put(UUID.class, UUIDSerializer.instance);
          put(InetAddress.class, InetAddressSerializer.instance);
          put(Inet4Address.class, InetAddressSerializer.instance);
          put(Inet6Address.class, InetAddressSerializer.instance);
          put(InetSocketAddress.class, InetSocketAddressSerializer.instance);
          put(File.class, FileSerializer.instance);
          put(URI.class, URISerializer.instance);
          put(URL.class, URLSerializer.instance);
          put(Appendable.class, AppendableSerializer.instance);
          put(StringBuffer.class, AppendableSerializer.instance);
          put(StringBuilder.class, AppendableSerializer.instance);
          put(Pattern.class, PatternSerializer.instance);
          put(Charset.class, CharsetSerializer.instance);
  
          // atomic
          put(AtomicBoolean.class, AtomicBooleanSerializer.instance);
          put(AtomicInteger.class, AtomicIntegerSerializer.instance);
          put(AtomicLong.class, AtomicLongSerializer.instance);
          put(AtomicReference.class, AtomicReferenceSerializer.instance);
          put(AtomicIntegerArray.class, AtomicIntegerArraySerializer.instance);
          put(AtomicLongArray.class, AtomicLongArraySerializer.instance);
  
          // awt
          try {
              put(Class.forName("java.awt.Color"), ColorSerializer.instance);
              put(Class.forName("java.awt.Font"), FontSerializer.instance);
              put(Class.forName("java.awt.Point"), PointSerializer.instance);
              put(Class.forName("java.awt.Rectangle"), RectangleSerializer.instance);
          } catch (Throwable e) {
              // skip
          }
  
      }
  
  }
  