Package dev.blaauwendraad.masker.json

Class MaskingState

java.lang.Object
dev.blaauwendraad.masker.json.MaskingState
public final class MaskingState extends Object
Represents the state of the JsonMasker at a given point in time during the JsonMasker.mask(byte[]) operation.

  • Constructor Details

    • MaskingState

      public MaskingState(byte[] message, int currentIndex)

  • Method Details

    • incrementCurrentIndex

      public void incrementCurrentIndex()

    • setCurrentIndex

      public void setCurrentIndex(int currentIndex)

    • setMessage

      public void setMessage(byte[] newMessage)

    • byteAtCurrentIndex

      public byte byteAtCurrentIndex()

    • byteAtCurrentIndexMinusOne

      public byte byteAtCurrentIndexMinusOne()

    • currentIndex

      public int currentIndex()

    • messageLength

      public int messageLength()

    • getMessage

      public byte[] getMessage()

    • addReplacementOperation

      public void addReplacementOperation(int startIndex, int endIndex, byte[] mask, int maskRepeat)
      Adds new delayed replacement operation to the list of operations to be applied to the message.

    • getReplacementOperations

      public List<MaskingState.ReplacementOperation> getReplacementOperations()
      Returns the list of replacement operations that need to be applied to the message.

    • getReplacementOperationsTotalDifference

      public int getReplacementOperationsTotalDifference()
      Returns the total difference between the masks and target values lengths of all replacement operations.

    • expandCurrentJsonPath

      public void expandCurrentJsonPath(int start, int offset)
      Expands current jsonpath with a new "key" segment.
      Parameters:
      start - the index of a new segment start in message
      offset - the length of a new segment.

    • expandCurrentJsonPath

      public void expandCurrentJsonPath()
      Expands current jsonpath with a new array segment.

    • backtrackCurrentJsonPath

      public void backtrackCurrentJsonPath()
      Backtracks current jsonpath to the previous segment.

    • isInArray

      public boolean isInArray()
      Checks if the last segment of the current jsonpath is an array index.

    • incrementCurrentJsonPathArrayIndex

      public void incrementCurrentJsonPathArrayIndex()
      Increments an array index in the last segment of the current jsonpath. Throws IllegalStateException if the last segment is not an array index.

    • getCurrentJsonPath

      public Iterator<MaskingState.SegmentReference> getCurrentJsonPath()
      Returns the iterator over the json path component references from head to tail

    • toString

      public String toString()
      Overrides:
      toString in class Object