JSON (json-lib 3.0.2-SNAPSHOT)

All Superinterfaces:

Serializable

All Known Implementing Classes:

JSONArray, JSONNull, JSONObject
```
public interface JSON
extends Serializable
```
Marker interface, identifies a valid JSON value.
A JSON value may be a JSONObject, a JSONArray or a JSONNull.

Author:

Andres Almiray

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and 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
  - writeCanonical
```
Writer writeCanonical(Writer w)
               throws IOException
```
    Writes the canonicalized form of this JSON object.
    
    Throws:
    
    IOException

Interface JSON

Method Summary

Method Detail

isArray

isEmpty

size

toString

toString

write

writeCanonical