org.h2.util.json

Class JsonConstructorUtils

java.lang.Object

org.h2.util.json.JsonConstructorUtils

public final class JsonConstructorUtils
extends java.lang.Object

Utilities for JSON constructors.

Field Summary

Fields

Modifier and Type	Field and Description
static int	JSON_ABSENT_ON_NULL The ABSENT ON NULL flag.
static int	JSON_WITH_UNIQUE_KEYS The WITH UNIQUE KEYS flag.

Method Summary

Modifier and Type	Method and Description
static void	jsonArrayAppend(java.io.ByteArrayOutputStream baos, Value value, int flags) Appends a value to a JSON array in the specified output stream.
static void	jsonObjectAppend(java.io.ByteArrayOutputStream baos, java.lang.String key, Value value) Appends a value to a JSON object in the specified string builder.
static Value	jsonObjectFinish(java.io.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.

Methods inherited from class java.lang.Object

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

Field Detail

JSON_ABSENT_ON_NULL

public static final int JSON_ABSENT_ON_NULL

The ABSENT ON NULL flag.

See Also:

Constant Field Values

JSON_WITH_UNIQUE_KEYS

public static final int JSON_WITH_UNIQUE_KEYS

The WITH UNIQUE KEYS flag.

See Also:

Constant Field Values

Method Detail

jsonObjectAppend

public static void jsonObjectAppend(java.io.ByteArrayOutputStream baos,
                                    java.lang.String key,
                                    Value value)

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

Parameters:

baos - the output stream to append to

key - the name of the property

value - the value of the property

jsonObjectFinish

public static Value jsonObjectFinish(java.io.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.

Parameters:

baos - the output stream with the object

flags - the flags (JSON_WITH_UNIQUE_KEYS)

Returns:

the JSON value

Throws:

DbException - if JSON_WITH_UNIQUE_KEYS is specified and keys are not unique

jsonArrayAppend

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

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

Parameters:

baos - the output stream to append to

value - the value

flags - the flags (JSON_ABSENT_ON_NULL)