org.h2.util.json

类 JsonConstructorUtils

java.lang.Object

org.h2.util.json.JsonConstructorUtils

public final class JsonConstructorUtils
extends Object

Utilities for JSON constructors.

字段概要

字段

限定符和类型	字段和说明
static int	JSON_ABSENT_ON_NULL The ABSENT ON NULL flag.
static int	JSON_WITH_UNIQUE_KEYS The WITH UNIQUE KEYS flag.

方法概要

限定符和类型	方法和说明
static void	jsonArrayAppend(ByteArrayOutputStream baos, Value value, int flags) Appends a value to a JSON array in the specified output stream.
static void	jsonObjectAppend(ByteArrayOutputStream baos, String key, Value value) Appends a value to a JSON object in the specified string builder.
static Value	jsonObjectFinish(ByteArrayOutputStream baos, int flags) Appends trailing closing brace to the specified string builder with a JSON object, validates it, and converts to a JSON value.

从类继承的方法 java.lang.Object

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

字段详细资料

JSON_ABSENT_ON_NULL

public static final int JSON_ABSENT_ON_NULL

The ABSENT ON NULL flag.

另请参阅:

常量字段值

JSON_WITH_UNIQUE_KEYS

public static final int JSON_WITH_UNIQUE_KEYS

The WITH UNIQUE KEYS flag.

另请参阅:

常量字段值

方法详细资料

jsonObjectAppend

public static void jsonObjectAppend(ByteArrayOutputStream baos,
                                    String key,
                                    Value value)

Appends a value to a JSON object in the specified string builder.

参数:

baos - the output stream to append to

key - the name of the property

value - the value of the property

jsonObjectFinish

public static Value jsonObjectFinish(ByteArrayOutputStream baos,
                                     int flags)

Appends trailing closing brace to the specified string builder with a JSON object, validates it, and converts to a JSON value.

参数:

baos - the output stream with the object

flags - the flags (JSON_WITH_UNIQUE_KEYS)

返回:

the JSON value

抛出:

DbException - if JSON_WITH_UNIQUE_KEYS is specified and keys are not unique

jsonArrayAppend

public static void jsonArrayAppend(ByteArrayOutputStream baos,
                                   Value value,
                                   int flags)

Appends a value to a JSON array in the specified output stream.

参数:

baos - the output stream to append to

value - the value

flags - the flags (JSON_ABSENT_ON_NULL)