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;
  
  import static com.alibaba.fastjson.util.TypeUtils.castToBigDecimal;
  import static com.alibaba.fastjson.util.TypeUtils.castToBigInteger;
  import static com.alibaba.fastjson.util.TypeUtils.castToBoolean;
  import static com.alibaba.fastjson.util.TypeUtils.castToByte;
  import static com.alibaba.fastjson.util.TypeUtils.castToBytes;
  import static com.alibaba.fastjson.util.TypeUtils.castToDate;
  import static com.alibaba.fastjson.util.TypeUtils.castToDouble;
  import static com.alibaba.fastjson.util.TypeUtils.castToFloat;
  import static com.alibaba.fastjson.util.TypeUtils.castToInt;
  import static com.alibaba.fastjson.util.TypeUtils.castToLong;
  import static com.alibaba.fastjson.util.TypeUtils.castToShort;
  import static com.alibaba.fastjson.util.TypeUtils.castToSqlDate;
  import static com.alibaba.fastjson.util.TypeUtils.castToTimestamp;
  
  import java.io.Serializable;
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.Method;
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.Collection;
  import java.util.Date;
  import java.util.LinkedHashMap;
  import java.util.Map;
  import java.util.Set;
  
  import com.alibaba.fastjson.annotation.JSONField;
  import com.alibaba.fastjson.parser.ParserConfig;
  import com.alibaba.fastjson.util.AntiCollisionHashMap;
  import com.alibaba.fastjson.util.TypeUtils;
  
  /**
   * @author wenshao<szujobs@hotmail.com>
   */
  public class JSONObject extends JSON implements Map<String, Object>, JSONAware, Cloneable, Serializable, InvocationHandler {
  
      private static final long         serialVersionUID         = 1L;
      private static final int          DEFAULT_INITIAL_CAPACITY = 16;
  
      private final Map<String, Object> map;
  
      public JSONObject(){
          this(DEFAULT_INITIAL_CAPACITY, false);
      }
  
      public JSONObject(Map<String, Object> map){
          this.map = map;
      }
  
      public JSONObject(boolean ordered){
          this(DEFAULT_INITIAL_CAPACITY, ordered);
      }
  
      public JSONObject(int initialCapacity){
          this(initialCapacity, false);
      }
  
      public JSONObject(int initialCapacity, boolean ordered){
          if (ordered) {
              map = new LinkedHashMap<String, Object>(initialCapacity);
          } else {
              map = new AntiCollisionHashMap<String, Object>(initialCapacity);
          }
      }
  
      public int size() {
          return map.size();
      }
  
      public boolean isEmpty() {
          return map.isEmpty();
      }
  
      public boolean containsKey(Object key) {
          return map.containsKey(key);
      }
  
      public boolean containsValue(Object value) {
          return map.containsValue(value);
      }
  
      public Object get(Object key) {
          return map.get(key);
      }
  
      public JSONObject getJSONObject(String key) {
          Object value = map.get(key);
  
          if (value instanceof JSONObject) {
              return (JSONObject) value;
          }
  
          return (JSONObject) toJSON(value);
      }
  
      public JSONArray getJSONArray(String key) {
          Object value = map.get(key);
  
          if (value instanceof JSONArray) {
              return (JSONArray) value;
          }
  
          return (JSONArray) toJSON(value);
      }
  
      public <T> T getObject(String key, Class<T> clazz) {
          Object obj = map.get(key);
          return TypeUtils.castToJavaBean(obj, clazz);
      }
  
      public Boolean getBoolean(String key) {
          Object value = get(key);
  
          if (value == null) {
              return null;
          }
  
          return castToBoolean(value);
      }
  
      public byte[] getBytes(String key) {
          Object value = get(key);
  
          if (value == null) {
              return null;
          }
  
          return castToBytes(value);
      }
  
      public boolean getBooleanValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return false;
          }
  
          return castToBoolean(value).booleanValue();
      }
  
      public Byte getByte(String key) {
          Object value = get(key);
  
          return castToByte(value);
      }
  
      public byte getByteValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0;
          }
  
          return castToByte(value).byteValue();
      }
  
      public Short getShort(String key) {
          Object value = get(key);
  
          return castToShort(value);
      }
  
      public short getShortValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0;
          }
  
          return castToShort(value).shortValue();
      }
  
      public Integer getInteger(String key) {
          Object value = get(key);
  
          return castToInt(value);
      }
  
      public int getIntValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0;
          }
  
          return castToInt(value).intValue();
      }
  
      public Long getLong(String key) {
          Object value = get(key);
  
          return castToLong(value);
      }
  
      public long getLongValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0L;
          }
  
          return castToLong(value).longValue();
      }
  
      public Float getFloat(String key) {
          Object value = get(key);
  
          return castToFloat(value);
      }
  
      public float getFloatValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0F;
          }
  
          return castToFloat(value).floatValue();
      }
  
      public Double getDouble(String key) {
          Object value = get(key);
  
          return castToDouble(value);
      }
  
      public double getDoubleValue(String key) {
          Object value = get(key);
  
          if (value == null) {
              return 0D;
          }
  
          return castToDouble(value);
      }
  
      public BigDecimal getBigDecimal(String key) {
          Object value = get(key);
  
          return castToBigDecimal(value);
      }
  
      public BigInteger getBigInteger(String key) {
          Object value = get(key);
  
          return castToBigInteger(value);
      }
  
      public String getString(String key) {
          Object value = get(key);
  
          if (value == null) {
              return null;
          }
  
          return value.toString();
      }
  
      public Date getDate(String key) {
          Object value = get(key);
  
          return castToDate(value);
      }
  
      public java.sql.Date getSqlDate(String key) {
          Object value = get(key);
  
          return castToSqlDate(value);
      }
  
      public java.sql.Timestamp getTimestamp(String key) {
          Object value = get(key);
  
          return castToTimestamp(value);
      }
      
      public Object put(String key, Object value) {
          return map.put(key, value);
      }
  
      public void putAll(Map<? extends String, ? extends Object> m) {
          map.putAll(m);
      }
  
      public void clear() {
          map.clear();
      }
  
      public Object remove(Object key) {
          return map.remove(key);
      }
  
      public Set<String> keySet() {
          return map.keySet();
      }
  
      public Collection<Object> values() {
          return map.values();
      }
  
      public Set<Map.Entry<String, Object>> entrySet() {
          return map.entrySet();
      }
  
  	@Override
      public JSONObject clone() {
      	return (JSONObject) TypeUtils.clone(this);
      }
  
      public boolean equals(Object obj) {
          return this.map.equals(obj);
      }
  
      public int hashCode() {
          return this.map.hashCode();
      }
  
      public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
          Class<?>[] parameterTypes = method.getParameterTypes();
          if (parameterTypes.length == 1) {
              Class<?> returnType = method.getReturnType();
              if (returnType != void.class) {
                  throw new JSONException("illegal setter");
              }
  
              String name = null;
              JSONField annotation = method.getAnnotation(JSONField.class);
              if (annotation != null) {
                  if (annotation.name().length() != 0) {
                      name = annotation.name();
                  }
              }
  
              if (name == null) {
                  name = method.getName();
                  if (!name.startsWith("set")) {
                      throw new JSONException("illegal setter");
                  }
  
                  name = name.substring(3);
                  if (name.length() == 0) {
                      throw new JSONException("illegal setter");
                  }
                  name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
              }
  
              map.put(name, args[0]);
              return null;
          }
  
          if (parameterTypes.length == 0) {
              Class<?> returnType = method.getReturnType();
              if (returnType == void.class) {
                  throw new JSONException("illegal getter");
              }
  
              String name = null;
              JSONField annotation = method.getAnnotation(JSONField.class);
              if (annotation != null) {
                  if (annotation.name().length() != 0) {
                      name = annotation.name();
                  }
              }
  
              if (name == null) {
                  name = method.getName();
                  if (name.startsWith("get")) {
                      name = name.substring(3);
                      if (name.length() == 0) {
                          throw new JSONException("illegal getter");
                      }
                      name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
                  } else if (name.startsWith("is")) {
                      name = name.substring(2);
                      if (name.length() == 0) {
                          throw new JSONException("illegal getter");
                      }
                      name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
                  } else {
                      throw new JSONException("illegal getter");
                  }
              }
              
              Object value = map.get(name);
              return TypeUtils.cast(value, method.getGenericReturnType(), ParserConfig.getGlobalInstance());
          }
  
          throw new UnsupportedOperationException(method.toGenericString());
      }
  }
  