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package javax.json.stream;
import javax.json.JsonArray;
import javax.json.JsonObject;
import java.io.InputStream;
import java.io.Reader;
import java.nio.charset.Charset;
import java.util.Map;
/**
* Factory for creating {@link JsonParser} instances. If a factory
* instance is configured with a configuration, the configuration applies
* to all parser instances created using that factory instance.
*
*
* The class {@link javax.json.Json Json} also provides methods to create
* {@link JsonParser} instances, but using {@code JsonParserFactory} is
* preferred when creating multiple parser instances as shown in the following
* example:
*
*
*
* JsonParserFactory factory = Json.createParserFactory();
* JsonParser parser1 = factory.createParser(...);
* JsonParser parser2 = factory.createParser(...);
*
*
*
* All the methods in this class are safe for use by multiple concurrent
* threads.
*
* @author Jitendra Kotamraju
*/
public interface JsonParserFactory {
/**
* Creates a JSON parser from a character stream.
*
* @param reader a i/o reader from which JSON is to be read
*/
JsonParser createParser(Reader reader);
/**
* Creates a JSON parser from the specified byte stream.
* The character encoding of the stream is determined
* as specified in RFC 4627.
*
* @param in i/o stream from which JSON is to be read
* @throws javax.json.JsonException if encoding cannot be determined
* or i/o error (IOException would be cause of JsonException)
*/
JsonParser createParser(InputStream in);
/**
* Creates a JSON parser from the specified byte stream.
* The bytes of the stream are decoded to characters using the
* specified charset.
*
* @param in i/o stream from which JSON is to be read
* @param charset a charset
*/
JsonParser createParser(InputStream in, Charset charset);
/**
* Creates a JSON parser from the specified JSON object.
*
* @param obj a JSON object
*/
JsonParser createParser(JsonObject obj);
/**
* Creates a JSON parser from the specified JSON array.
*
* @param array a JSON array
*/
JsonParser createParser(JsonArray array);
/**
* Returns a read-only map of supported provider specific configuration
* properties that are used to configure the JSON parsers.
* If there are any specified configuration properties that are not
* supported by the provider, they won't be part of the returned map.
*
* @return a map of supported provider specific properties that are used
* to configure the created parsers. The map may be empty but not null
*/
Map getConfigInUse();
}