Package net.sf.json

Interface JSON

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      boolean isArray()
      Returns true if this object is a JSONArray, false otherwise.
      boolean isEmpty()
      Returns true if this object has no elements or keys.
      int size()
      Returns the number of properties in an object or the size of the array.
      String toString​(int indentFactor)
      Make a prettyprinted JSON text.
      String toString​(int indentFactor, int indent)
      Make a prettyprinted JSON text.
      Writer write​(Writer writer)
      Write the contents as JSON text to a writer.
      Writer writeCanonical​(Writer w)
      Writes the canonicalized form of this JSON object.

    • Method Detail

      • isArray

        boolean isArray()
        Returns true if this object is a JSONArray, false otherwise.

      • isEmpty

        boolean isEmpty()
        Returns true if this object has no elements or keys.
        Throws:
        JSONException - if called on a 'null' object

      • size

        int size()
        Returns the number of properties in an object or the size of the array.
        Returns:
        the size of an json object or array
        Throws:
        JSONException - if called on a 'null' object

      • toString

        String toString​(int indentFactor)
        Make a prettyprinted JSON text.

        Warning: This method assumes that the data structure is acyclical.

        Parameters:
        indentFactor - The number of spaces to add to each level of indentation.
        Returns:
        a printable, displayable, portable, transmittable representation of the object, beginning with { (left brace) and ending with } (right brace).
        Throws:
        JSONException - If the object contains an invalid number.

      • toString

        String toString​(int indentFactor,
                int indent)
        Make a prettyprinted JSON text.

        Warning: This method assumes that the data structure is acyclical.

        Parameters:
        indentFactor - The number of spaces to add to each level of indentation.
        indent - The indentation of the top level.
        Returns:
        a printable, displayable, transmittable representation of the object, beginning with { (left brace) and ending with } (right brace).
        Throws:
        JSONException - If the object contains an invalid number.

      • write

        Writer write​(Writer writer)
      throws IOException
        Write the contents as JSON text to a writer. For compactness, no whitespace is added.

        Warning: This method assumes that the data structure is acyclical.

        Returns:
        The writer.
        Throws:
        JSONException
        IOException