Package org.h2.util.json

Class JsonConstructorUtils

java.lang.Object

org.h2.util.json.JsonConstructorUtils

public final class JsonConstructorUtils
extends Object

Utilities for JSON constructors.

Field Summary

Fields

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

Method Summary

Modifier and Type	Method	Description
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.

Methods inherited from class java.lang.Object

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

Field Details

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 Details

jsonObjectAppend

public static void jsonObjectAppend(ByteArrayOutputStream baos,
 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(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(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)