Package io.keikai.json

Class JSONValue

java.lang.Object
io.keikai.json.JSONValue
public class JSONValue extends Object
Utilities to encode and decode data in JSON format. To decode, use parse(String). To encode, use toJSONString(java.lang.Object).
Author:
FangYidong<fangyidong@yahoo.com.cn>

  • Constructor Details

    • JSONValue

      public JSONValue()

  • Method Details

    • parse

      public static Object parse(Reader in) throws IOException
      Parse (a.k.a., decode) JSON text into java object from the input source.
      Parameters:
      in - the input to parse.
      Returns:
      Instance of the following: JSONObject (also java.util.Map), JSONArray (also java.util.List), java.lang.String, java.lang.Number, java.lang.Boolean, null. If in is null, null is returned.
      Throws:
      IOException

    • parse

      public static Object parse(String s)
      Parse (a.k.a., decode) JSON text into java object from the string.
      Returns:
      the decoded object. If s is null, null is returned.

    • toJSONString

      public static String toJSONString(Object value)
      Convert (a.k.a., encode) an object to JSON text.

      If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly.

      DO NOT call this method from toJSONString() of a class that implements both JSONAware and Map or List with "this" as the parameter, use JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead.

      Parameters:
      value -
      Returns:
      JSON text, or "null" if value is null or it's an NaN or an INF number.

    • toJSONString

      public static String toJSONString(int value)
      Converts an integer to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(long value)
      Converts a long to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(short value)
      Converts a short to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(double value)
      Converts a double to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(float value)
      Converts a float to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(byte value)
      Converts a byte to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(boolean value)
      Converts a boolean to JSON text

      patched by tomyeh

    • toJSONString

      public static String toJSONString(char value)
      Converts a char to JSON text

      patched by tomyeh

    • escape

      public static String escape(String s)
      Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F).
      Parameters:
      s -
      Returns:
      the resulting string

    • toJSONString

      public static String toJSONString(String key, Object value, StringBuilder sb)

    • escape

      public static void escape(String s, StringBuilder sb)
      Parameters:
      s - - Must not be null.
      sb -