org.apache.avro

Class Schema.Parser

java.lang.Object

org.apache.avro.Schema.Parser

Enclosing class:

Schema

public static class Schema.Parser
extends Object

A parser for JSON-format schemas. Each named schema parsed with a parser is added to the names known to the parser so that subsequently parsed schemas may refer to it by name.

Constructor Summary

Constructors

Constructor and Description
Parser()

Method Summary

Modifier and Type	Method and Description
Schema.Parser	addTypes(Map<String,Schema> types) Adds the provided types to the set of defined, named types known to this parser.
Map<String,Schema>	getTypes() Returns the set of defined, named types known to this parser.
boolean	getValidate() True iff names are validated.
boolean	getValidateDefaults() True iff default values are validated.
Schema	parse(File file) Parse a schema from the provided file.
Schema	parse(InputStream in) Parse a schema from the provided stream.
Schema	parse(String s) Parse a schema from the provided string.
Schema	parse(String s, String... more) Read a schema from one or more json strings
Schema.Parser	setValidate(boolean validate) Enable or disable name validation.
Schema.Parser	setValidateDefaults(boolean validateDefaults) Enable or disable default value validation.

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser()

Method Detail

addTypes

public Schema.Parser addTypes(Map<String,Schema> types)

Adds the provided types to the set of defined, named types known to this parser.

getTypes

public Map<String,Schema> getTypes()

Returns the set of defined, named types known to this parser.

setValidate

public Schema.Parser setValidate(boolean validate)

Enable or disable name validation.

getValidate

public boolean getValidate()

True iff names are validated. True by default.

setValidateDefaults

public Schema.Parser setValidateDefaults(boolean validateDefaults)

Enable or disable default value validation.

getValidateDefaults

public boolean getValidateDefaults()

True iff default values are validated. False by default.

parse

public Schema parse(File file)
             throws IOException

Parse a schema from the provided file. If named, the schema is added to the names known to this parser.

Throws:

IOException

parse

public Schema parse(InputStream in)
             throws IOException

Parse a schema from the provided stream. If named, the schema is added to the names known to this parser. The input stream stays open after the parsing.

Throws:

IOException

parse

public Schema parse(String s,
                    String... more)

Read a schema from one or more json strings

parse

public Schema parse(String s)

Parse a schema from the provided string. If named, the schema is added to the names known to this parser.