org.apache.dubbo.common.json.impl

Class AbstractJSONImpl

java.lang.Object

org.apache.dubbo.common.json.impl.AbstractJSONImpl

All Implemented Interfaces:

JSON

Direct Known Subclasses:

FastJson2Impl, FastJsonImpl, GsonImpl, JacksonImpl

public abstract class AbstractJSONImpl
extends Object
implements JSON

Constructor Summary

Constructors

Constructor and Description
AbstractJSONImpl()

Method Summary

Modifier and Type	Method and Description
List<Map<String,?>>	checkObjectList(List<?> rawList) Casts a list of unchecked JSON values to a list of checked objects in Java type.
List<String>	checkStringList(List<?> rawList) Casts a list of unchecked JSON values to a list of String.
List<?>	getList(Map<String,?> obj, String key)
List<Map<String,?>>	getListOfObjects(Map<String,?> obj, String key) Gets a list from an object for the given key, and verifies all entries are objects.
List<String>	getListOfStrings(Map<String,?> obj, String key) Gets a list from an object for the given key, and verifies all entries are strings.
Double	getNumberAsDouble(Map<String,?> obj, String key) Gets a number from an object for the given key.
Integer	getNumberAsInteger(Map<String,?> obj, String key) Gets a number from an object for the given key, casted to an integer.
Long	getNumberAsLong(Map<String,?> obj, String key) Gets a number from an object for the given key, casted to an long.
Map<String,?>	getObject(Map<String,?> obj, String key) Gets an object from an object for the given key.
String	getString(Map<String,?> obj, String key) Gets a string from an object for the given key.
boolean	isSupport()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.dubbo.common.json.JSON

toJavaList, toJavaObject, toJson

Constructor Detail

AbstractJSONImpl

public AbstractJSONImpl()

Method Detail

isSupport

public boolean isSupport()

Specified by:

isSupport in interface JSON

getList

public List<?> getList(Map<String,?> obj,
                       String key)

Specified by:

getList in interface JSON

getListOfObjects

public List<Map<String,?>> getListOfObjects(Map<String,?> obj,
                                            String key)

Gets a list from an object for the given key, and verifies all entries are objects. If the key is not present, this returns null. If the value is not a List or an entry is not an object, throws an exception.

Specified by:

getListOfObjects in interface JSON

getListOfStrings

public List<String> getListOfStrings(Map<String,?> obj,
                                     String key)

Gets a list from an object for the given key, and verifies all entries are strings. If the key is not present, this returns null. If the value is not a List or an entry is not a string, throws an exception.

Specified by:

getListOfStrings in interface JSON

getObject

public Map<String,?> getObject(Map<String,?> obj,
                               String key)

Gets an object from an object for the given key. If the key is not present, this returns null. If the value is not a Map, throws an exception.

Specified by:

getObject in interface JSON

getNumberAsDouble

public Double getNumberAsDouble(Map<String,?> obj,
                                String key)

Gets a number from an object for the given key. If the key is not present, this returns null. If the value does not represent a double, throws an exception.

Specified by:

getNumberAsDouble in interface JSON

getNumberAsInteger

public Integer getNumberAsInteger(Map<String,?> obj,
                                  String key)

Gets a number from an object for the given key, casted to an integer. If the key is not present, this returns null. If the value does not represent an integer, throws an exception.

Specified by:

getNumberAsInteger in interface JSON

getNumberAsLong

public Long getNumberAsLong(Map<String,?> obj,
                            String key)

Gets a number from an object for the given key, casted to an long. If the key is not present, this returns null. If the value does not represent a long integer, throws an exception.

Specified by:

getNumberAsLong in interface JSON

getString

public String getString(Map<String,?> obj,
                        String key)

Gets a string from an object for the given key. If the key is not present, this returns null. If the value is not a String, throws an exception.

Specified by:

getString in interface JSON

checkObjectList

public List<Map<String,?>> checkObjectList(List<?> rawList)

Casts a list of unchecked JSON values to a list of checked objects in Java type. If the given list contains a value that is not a Map, throws an exception.

Specified by:

checkObjectList in interface JSON

checkStringList

public List<String> checkStringList(List<?> rawList)

Casts a list of unchecked JSON values to a list of String. If the given list contains a value that is not a String, throws an exception.

Specified by:

checkStringList in interface JSON