All Superinterfaces:

AutoCloseable, Closeable

public interface JsonReader
extends Closeable 

 
 JsonReader jsonReader = Json.createReader(new StringReader("[]"));
 JsonArray array = jsonReader.readArray();
 jsonReader.close();
 
 

 
 JsonReaderFactory factory = Json.createReaderFactory(config);
 JsonReader reader1 = factory.createReader(...);
 JsonReader reader2 = factory.createReader(...);
 
 

Author:

Jitendra Kotamraju

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  void	close () Closes this reader and frees any resources associated with the reader.
  JsonStructure	read () Returns a JSON array or object that is represented in the input source.
  JsonArray	readArray () Returns a JSON array that is represented in the input source.
  JsonObject	readObject () Returns a JSON object that is represented in the input source.

• Method Detail

  • read

    JsonStructure read()

    Returns a JSON array or object that is represented in the input source. This method needs to be called only once for a reader instance.

    Returns:

    a JSON object or array

    Throws:

    JsonException - if a JSON object or array cannot be created due to i/o error (IOException would be cause of JsonException)

    JsonParsingException - if a JSON object or array cannot be created due to incorrect representation

    IllegalStateException - if read, readObject, readArray or close method is already called

  • readObject

    JsonObject readObject()

    Returns a JSON object that is represented in the input source. This method needs to be called only once for a reader instance.

    Returns:

    a JSON object

    Throws:

    JsonException - if a JSON object cannot be created due to i/o error (IOException would be cause of JsonException)

    JsonParsingException - if a JSON object cannot be created due to incorrect representation

    IllegalStateException - if read, readObject, readArray or close method is already called

  • readArray

    JsonArray readArray()

    Returns a JSON array that is represented in the input source. This method needs to be called only once for a reader instance.

    Returns:

    a JSON array

    Throws:

    JsonException - if a JSON array cannot be created due to i/o error (IOException would be cause of JsonException)

    JsonParsingException - if a JSON array cannot be created due to incorrect representation

    IllegalStateException - if read, readObject, readArray or close method is already called

  • close

    void close()

    Closes this reader and frees any resources associated with the reader. This method closes the underlying input source.

    Specified by:

    close in interface AutoCloseable

    Specified by:

    close in interface Closeable

    Throws:

    JsonException - if an i/o error occurs (IOException would be cause of JsonException)