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com.alibaba.fastjson.JSONArray Maven / Gradle / Ivy
/*
* 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[[email protected] ]
*/
public class JSONArray extends JSON implements List, Cloneable, RandomAccess, Serializable {
private static final long serialVersionUID = 1L;
private final List list;
protected transient Object relatedArray;
protected transient Type componentType;
public JSONArray(){
this.list = new ArrayList();
}
public JSONArray(List list){
if (list == null){
throw new IllegalArgumentException("list is null.");
}
this.list = list;
}
public JSONArray(int initialCapacity){
this.list = new ArrayList(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 iterator() {
return list.iterator();
}
public Object[] toArray() {
return list.toArray();
}
public 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 listIterator() {
return list.listIterator();
}
public ListIterator listIterator(int index) {
return list.listIterator(index);
}
public List 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 getObject(int index, Class clazz) {
Object obj = list.get(index);
return TypeUtils.castToJavaBean(obj, clazz);
}
public 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 List toJavaList(Class clazz) {
List list = new ArrayList(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(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();
}
private void readObject(final java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
JSONObject.SecureObjectInputStream.ensureFields();
if (JSONObject.SecureObjectInputStream.fields != null && !JSONObject.SecureObjectInputStream.fields_error) {
ObjectInputStream secIn = new JSONObject.SecureObjectInputStream(in);
try {
secIn.defaultReadObject();
return;
} catch (java.io.NotActiveException e) {
// skip
}
}
in.defaultReadObject();
for (Object item : list) {
if (item == null) {
continue;
}
String typeName = item.getClass().getName();
if (TypeUtils.getClassFromMapping(typeName) == null) {
ParserConfig.global.checkAutoType(typeName, null);
}
}
}
}
