com.fasterxml.jackson.core.json

## Class JsonReadContext

- java.lang.Object
- - com.fasterxml.jackson.core.JsonStreamContext
  - - com.fasterxml.jackson.core.json.JsonReadContext

-     public final class JsonReadContext
      extends JsonStreamContext

  Extension of `JsonStreamContext`, which implements core methods needed, and also exposes more complete API to parser implementation classes.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected JsonReadContext` | `_child`
    `protected int` | `_columnNr`
    `protected String` | `_currentName`
    `protected DupDetector` | `_dups`
    `protected int` | `_lineNr`
    `protected JsonReadContext` | `_parent` Parent context for this context; null for root context.

    - ### Fields inherited from class com.fasterxml.jackson.core.JsonStreamContext

      `_index, _type, TYPE_ARRAY, TYPE_OBJECT, TYPE_ROOT`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `JsonReadContext(JsonReadContext parent, DupDetector dups, int type, int lineNr, int colNr)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `JsonReadContext` | `createChildArrayContext(int lineNr, int colNr)`
    `JsonReadContext` | `createChildObjectContext(int lineNr, int colNr)`
    `static JsonReadContext` | `createRootContext()` Deprecated.
    `static JsonReadContext` | `createRootContext(DupDetector dups)`
    `static JsonReadContext` | `createRootContext(int lineNr, int colNr)` Deprecated.
    `static JsonReadContext` | `createRootContext(int lineNr, int colNr, DupDetector dups)`
    `boolean` | `expectComma()`
    `String` | `getCurrentName()` Method for accessing name associated with the current location.
    `JsonReadContext` | `getParent()` Accessor for finding parent context of this context; will return null for root context.
    `JsonLocation` | `getStartLocation(Object srcRef)`
    `protected void` | `reset(int type, int lineNr, int colNr)`
    `void` | `setCurrentName(String name)`
    `String` | `toString()` Overridden to provide developer readable "JsonPath" representation of the context.

    - ### Methods inherited from class com.fasterxml.jackson.core.JsonStreamContext

      `getCurrentIndex, getEntryCount, getTypeDesc, inArray, inObject, inRoot`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### _parent

          protected final JsonReadContext _parent

      Parent context for this context; null for root context.

    - #### _dups

          protected final DupDetector _dups

    - #### _lineNr

          protected int _lineNr

    - #### _columnNr

          protected int _columnNr

    - #### _currentName

          protected String _currentName

    - #### _child

          protected JsonReadContext _child

  - ### Constructor Detail

    - #### JsonReadContext

          public JsonReadContext(JsonReadContext parent,
                         DupDetector dups,
                         int type,
                         int lineNr,
                         int colNr)

  - ### Method Detail

    - #### reset

          protected void reset(int type,
                   int lineNr,
                   int colNr)

    - #### createRootContext

          @Deprecated
          public static JsonReadContext createRootContext(int lineNr,
                                                     int colNr)

      Deprecated.

    - #### createRootContext

          public static JsonReadContext createRootContext(int lineNr,
                                          int colNr,
                                          DupDetector dups)

    - #### createRootContext

          @Deprecated
          public static JsonReadContext createRootContext()

      Deprecated.

    - #### createRootContext

          public static JsonReadContext createRootContext(DupDetector dups)

    - #### createChildArrayContext

          public JsonReadContext createChildArrayContext(int lineNr,
                                                int colNr)

    - #### createChildObjectContext

          public JsonReadContext createChildObjectContext(int lineNr,
                                                 int colNr)

    - #### getCurrentName

          public String getCurrentName()

      Description copied from class: `JsonStreamContext`
      Method for accessing name associated with the current location. Non-null for `FIELD_NAME` and value events that directly follow field names; null for root level and array values.
      Specified by:
        `getCurrentName` in class `JsonStreamContext`

    - #### getParent

          public JsonReadContext getParent()

      Description copied from class: `JsonStreamContext`
      Accessor for finding parent context of this context; will return null for root context.
      Specified by:
        `getParent` in class `JsonStreamContext`

    - #### getStartLocation

          public JsonLocation getStartLocation(Object srcRef)

      Returns:
        Location pointing to the point where the context start marker was found

    - #### expectComma

          public boolean expectComma()

    - #### setCurrentName

          public void setCurrentName(String name)
                              throws JsonProcessingException

      Throws:
        `JsonProcessingException`

    - #### toString

          public String toString()

      Overridden to provide developer readable "JsonPath" representation of the context.
      Overrides:
        `toString` in class `Object`

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