Package io.avaje.jsonb

Interface JsonReader

All Superinterfaces:
AutoCloseable, Closeable
public interface JsonReader extends Closeable
Reads json content as a stream of JSON tokens and content.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static enum 
    JsonReader.Token
    A structure, name, or value type in a JSON-encoded string.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    beginArray()
    Read array begin.
    void
    beginObject()
    Read begin object.
    void
    close()
    Close the resources of the reader.
    JsonReader.Token
    currentToken()
    Return the current Token.
    void
    endArray()
    Read array end.
    void
    endObject()
    Read end object.
    boolean
    hasNextElement()
    Return true if there is a next element in an ARRAY.
    boolean
    hasNextField()
    Return true if there is a next field to be read in an OBJECT.
    boolean
    isNullValue()
    Return true if the value to be read is a null.
    String
    location()
    Return the current location.
    void
    names(PropertyNames names)
    Set the current property names.
    String
    nextField()
    Return the next field.
    BigInteger
    readBigInteger()
    Read and return the next value as a BigInteger.
    byte[]
    readBinary()
    Read and return the binary value from base64.
    boolean
    readBoolean()
    Read and return the next value as a boolean.
    BigDecimal
    readDecimal()
    Read and return the next value as a BigDecimal.
    double
    readDouble()
    Read and return the next value as a double.
    int
    readInt()
    Read and return the next value as an int.
    long
    readLong()
    Read and return the next value as a long.
    String
    readRaw()
    Read and return raw json content as a String.
    String
    readString()
    Read and return the next value as String.
    void
    skipValue()
    Skip the next value.
    void
    unmappedField(String fieldName)
    Reading json with an unmapped field, throw an Exception if failOnUnmapped is true.

  • Method Details

    • names

      void names(PropertyNames names)
      Set the current property names.

      Can be used by the reader to optimise the reading of known names.

    • beginArray

      void beginArray()
      Read array begin.

    • endArray

      void endArray()
      Read array end.

    • hasNextElement

      boolean hasNextElement()
      Return true if there is a next element in an ARRAY.

    • beginObject

      void beginObject()
      Read begin object.

    • endObject

      void endObject()
      Read end object.

    • hasNextField

      boolean hasNextField()
      Return true if there is a next field to be read in an OBJECT.

    • nextField

      String nextField()
      Return the next field.

    • isNullValue

      boolean isNullValue()
      Return true if the value to be read is a null.

    • readBoolean

      boolean readBoolean()
      Read and return the next value as a boolean.

    • readInt

      int readInt()
      Read and return the next value as an int.

    • readLong

      long readLong()
      Read and return the next value as a long.

    • readDouble

      double readDouble()
      Read and return the next value as a double.

    • readDecimal

      BigDecimal readDecimal()
      Read and return the next value as a BigDecimal.

    • readBigInteger

      BigInteger readBigInteger()
      Read and return the next value as a BigInteger.

    • readString

      String readString()
      Read and return the next value as String.

    • readBinary

      byte[] readBinary()
      Read and return the binary value from base64.

    • readRaw

      String readRaw()
      Read and return raw json content as a String.

    • location

      String location()
      Return the current location. This is typically used when reporting errors.

    • currentToken

      JsonReader.Token currentToken()
      Return the current Token.

    • close

      void close()
      Close the resources of the reader.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable

    • skipValue

      void skipValue()
      Skip the next value.

    • unmappedField

      void unmappedField(String fieldName)
      Reading json with an unmapped field, throw an Exception if failOnUnmapped is true.