content: /*
   * 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;
  
  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.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.castToString;
  import static com.alibaba.fastjson.util.TypeUtils.castToTimestamp;
  
  import java.io.IOException;
  import java.io.ObjectInputStream;
  import java.io.Serializable;
  import java.lang.reflect.Type;
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.*;
  
  import com.alibaba.fastjson.parser.ParserConfig;
  import com.alibaba.fastjson.util.TypeUtils;
  
  /**
   * @author wenshao[szujobs@hotmail.com]
   */
  public class JSONArray extends JSON implements List<Object>, Cloneable, RandomAccess, Serializable {
  
      private static final long  serialVersionUID = 1L;
      private final List<Object> list;
      protected transient Object relatedArray;
      protected transient Type   componentType;
  
      public JSONArray(){
          this.list = new ArrayList<Object>();
      }
  
      public JSONArray(List<Object> list){
          if (list == null){
              throw new IllegalArgumentException("list is null.");
          }
          this.list = list;
      }
  
      public JSONArray(int initialCapacity){
          this.list = new ArrayList<Object>(initialCapacity);
      }
  
      /**
       * @since 1.1.16
       * @return
       */
      public Object getRelatedArray() {
          return relatedArray;
      }
  
      public void setRelatedArray(Object relatedArray) {
          this.relatedArray = relatedArray;
      }
  
      public Type getComponentType() {
          return componentType;
      }
  
      public void setComponentType(Type componentType) {
          this.componentType = componentType;
      }
  
      public int size() {
          return list.size();
      }
  
      public boolean isEmpty() {
          return list.isEmpty();
      }
  
      public boolean contains(Object o) {
          return list.contains(o);
      }
  
      public Iterator<Object> iterator() {
          return list.iterator();
      }
  
      public Object[] toArray() {
          return list.toArray();
      }
  
      public <T> T[] toArray(T[] a) {
          return list.toArray(a);
      }
  
      public boolean add(Object e) {
          return list.add(e);
      }
  
      public JSONArray fluentAdd(Object e) {
          list.add(e);
          return this;
      }
  
      public boolean remove(Object o) {
          return list.remove(o);
      }
  
      public JSONArray fluentRemove(Object o) {
          list.remove(o);
          return this;
      }
  
      public boolean containsAll(Collection<?> c) {
          return list.containsAll(c);
      }
  
      public boolean addAll(Collection<?> c) {
          return list.addAll(c);
      }
  
      public JSONArray fluentAddAll(Collection<?> c) {
          list.addAll(c);
          return this;
      }
  
      public boolean addAll(int index, Collection<?> c) {
          return list.addAll(index, c);
      }
  
      public JSONArray fluentAddAll(int index, Collection<?> c) {
          list.addAll(index, c);
          return this;
      }
  
      public boolean removeAll(Collection<?> c) {
          return list.removeAll(c);
      }
  
      public JSONArray fluentRemoveAll(Collection<?> c) {
          list.removeAll(c);
          return this;
      }
  
      public boolean retainAll(Collection<?> c) {
          return list.retainAll(c);
      }
  
      public JSONArray fluentRetainAll(Collection<?> c) {
          list.retainAll(c);
          return this;
      }
  
      public void clear() {
          list.clear();
      }
  
      public JSONArray fluentClear() {
          list.clear();
          return this;
      }
  
      public Object set(int index, Object element) {
          if (index == -1) {
              list.add(element);
              return null;
          }
  
          if (list.size() <= index) {
              for (int i = list.size(); i < index; ++i) {
                  list.add(null);
              }
              list.add(element);
              return null;
          }
  
          return list.set(index, element);
      }
  
      public JSONArray fluentSet(int index, Object element) {
          set(index, element);
          return this;
      }
  
      public void add(int index, Object element) {
          list.add(index, element);
      }
  
      public JSONArray fluentAdd(int index, Object element) {
          list.add(index, element);
          return this;
      }
  
      public Object remove(int index) {
          return list.remove(index);
      }
  
      public JSONArray fluentRemove(int index) {
          list.remove(index);
          return this;
      }
  
      public int indexOf(Object o) {
          return list.indexOf(o);
      }
  
      public int lastIndexOf(Object o) {
          return list.lastIndexOf(o);
      }
  
      public ListIterator<Object> listIterator() {
          return list.listIterator();
      }
  
      public ListIterator<Object> listIterator(int index) {
          return list.listIterator(index);
      }
  
      public List<Object> subList(int fromIndex, int toIndex) {
          return list.subList(fromIndex, toIndex);
      }
  
      public Object get(int index) {
          return list.get(index);
      }
  
      public JSONObject getJSONObject(int index) {
          Object value = list.get(index);
  
          if (value instanceof JSONObject) {
              return (JSONObject) value;
          }
  
          if (value instanceof Map) {
              return new JSONObject((Map) value);
          }
  
          return (JSONObject) toJSON(value);
      }
  
      public JSONArray getJSONArray(int index) {
          Object value = list.get(index);
  
          if (value instanceof JSONArray) {
              return (JSONArray) value;
          }
  
          if (value instanceof List) {
              return new JSONArray((List) value);
          }
  
          return (JSONArray) toJSON(value);
      }
  
      public <T> T getObject(int index, Class<T> clazz) {
          Object obj = list.get(index);
          return TypeUtils.castToJavaBean(obj, clazz);
      }
  
      public <T> T getObject(int index, Type type) {
          Object obj = list.get(index);
          if (type instanceof Class) {
              return (T) TypeUtils.castToJavaBean(obj, (Class) type);
          } else {
              String json = JSON.toJSONString(obj);
              return (T) JSON.parseObject(json, type);
          }
      }
  
      public Boolean getBoolean(int index) {
          Object value = get(index);
  
          if (value == null) {
              return null;
          }
  
          return castToBoolean(value);
      }
  
      public boolean getBooleanValue(int index) {
          Object value = get(index);
  
          if (value == null) {
              return false;
          }
  
          return castToBoolean(value).booleanValue();
      }
  
      public Byte getByte(int index) {
          Object value = get(index);
  
          return castToByte(value);
      }
  
      public byte getByteValue(int index) {
          Object value = get(index);
  
          Byte byteVal = castToByte(value);
          if (byteVal == null) {
              return 0;
          }
  
          return byteVal;
      }
  
      public Short getShort(int index) {
          Object value = get(index);
  
          return castToShort(value);
      }
  
      public short getShortValue(int index) {
          Object value = get(index);
  
          Short shortVal = castToShort(value);
          if (shortVal == null) {
              return 0;
          }
  
          return shortVal;
      }
  
      public Integer getInteger(int index) {
          Object value = get(index);
  
          return castToInt(value);
      }
  
      public int getIntValue(int index) {
          Object value = get(index);
  
          Integer intVal = castToInt(value);
          if (intVal == null) {
              return 0;
          }
  
          return intVal;
      }
  
      public Long getLong(int index) {
          Object value = get(index);
  
          return castToLong(value);
      }
  
      public long getLongValue(int index) {
          Object value = get(index);
  
          Long longVal = castToLong(value);
          if (longVal == null) {
              return 0L;
          }
  
          return longVal;
      }
  
      public Float getFloat(int index) {
          Object value = get(index);
  
          return castToFloat(value);
      }
  
      public float getFloatValue(int index) {
          Object value = get(index);
  
          Float floatValue = castToFloat(value);
          if (floatValue == null) {
              return 0F;
          }
  
          return floatValue;
      }
  
      public Double getDouble(int index) {
          Object value = get(index);
  
          return castToDouble(value);
      }
  
      public double getDoubleValue(int index) {
          Object value = get(index);
  
          Double doubleValue = castToDouble(value);
          if (doubleValue == null) {
              return 0D;
          }
  
          return doubleValue;
      }
  
      public BigDecimal getBigDecimal(int index) {
          Object value = get(index);
  
          return castToBigDecimal(value);
      }
  
      public BigInteger getBigInteger(int index) {
          Object value = get(index);
  
          return castToBigInteger(value);
      }
  
      public String getString(int index) {
          Object value = get(index);
  
          return castToString(value);
      }
  
      public java.util.Date getDate(int index) {
          Object value = get(index);
  
          return castToDate(value);
      }
  
      public Object getSqlDate(int index) {
          Object value = get(index);
  
          return castToSqlDate(value);
      }
  
      public Object getTimestamp(int index) {
          Object value = get(index);
  
          return castToTimestamp(value);
      }
  
      /**
       * @since  1.2.23
       */
      public <T> List<T> toJavaList(Class<T> clazz) {
          List<T> list = new ArrayList<T>(this.size());
  
          ParserConfig config = ParserConfig.getGlobalInstance();
  
          for (Object item : this) {
              T classItem = (T) TypeUtils.cast(item, clazz, config);
              list.add(classItem);
          }
  
          return list;
      }
  
      @Override
      public Object clone() {
          return new JSONArray(new ArrayList<Object>(list));
      }
  
      public boolean equals(Object obj) {
          if (this == obj) {
              return true;
          }
  
          if (obj instanceof JSONArray) {
              return this.list.equals(((JSONArray) obj).list);
          }
  
          return this.list.equals(obj);
      }
  
      public int hashCode() {
          return this.list.hashCode();
      }
  }
  