Package org.h2.util.json
Class JsonConstructorUtils
- java.lang.Object
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- org.h2.util.json.JsonConstructorUtils
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public final class JsonConstructorUtils extends java.lang.Object
Utilities for JSON constructors.
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Field Summary
Fields Modifier and Type Field Description static int
JSON_ABSENT_ON_NULL
The ABSENT ON NULL flag.static int
JSON_WITH_UNIQUE_KEYS
The WITH UNIQUE KEYS flag.
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Constructor Summary
Constructors Modifier Constructor Description private
JsonConstructorUtils()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method 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.
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Field Detail
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JSON_ABSENT_ON_NULL
public static final int JSON_ABSENT_ON_NULL
The ABSENT ON NULL flag.- See Also:
- Constant Field Values
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JSON_WITH_UNIQUE_KEYS
public static final int JSON_WITH_UNIQUE_KEYS
The WITH UNIQUE KEYS flag.- See Also:
- Constant Field Values
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Method Detail
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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 tokey
- the name of the propertyvalue
- the value of the property
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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 objectflags
- the flags (JSON_WITH_UNIQUE_KEYS
)- Returns:
- the JSON value
- Throws:
DbException
- ifJSON_WITH_UNIQUE_KEYS
is specified and keys are not unique
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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 tovalue
- the valueflags
- the flags (JSON_ABSENT_ON_NULL
)
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