Package org.json

Class XMLTokener

java.lang.Object
org.json.JSONTokener
org.json.XMLTokener

public class XMLTokener
extends JSONTokener
The XMLTokener extends the JSONTokener to provide additional methods for the parsing of XML texts.
Version:
2015-12-09
Author:
JSON.org
  • Field Summary

    Fields 
    Modifier and Type Field Description
    static java.util.HashMap<java.lang.String,​java.lang.Character> entity
    The table of entity values.
  • Constructor Summary

    Constructors 
    Constructor Description
    XMLTokener​(java.io.Reader r)
    Construct an XMLTokener from a Reader.
    XMLTokener​(java.lang.String s)
    Construct an XMLTokener from a string.
  • Method Summary

    Modifier and Type Method Description
    java.lang.String nextCDATA()
    Get the text in the CDATA block.
    java.lang.Object nextContent()
    Get the next XML outer token, trimming whitespace.
    java.lang.Object nextEntity​(char ampersand)
    Return the next entity. These entities are translated to Characters: &amp; &apos; &gt; &lt; &quot;.
    java.lang.Object nextMeta()
    Returns the next XML meta token. This is used for skipping over <!...> and <?...?> structures.
    java.lang.Object nextToken()
    Get the next XML Token. These tokens are found inside of angle brackets. It may be one of these characters: / > = ! ? or it may be a string wrapped in single quotes or double quotes, or it may be a name.
    void skipPast​(java.lang.String to)
    Skip characters until past the requested string.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  • Field Details

    • entity

      public static final java.util.HashMap<java.lang.String,​java.lang.Character> entity
      The table of entity values. It initially contains Character values for amp, apos, gt, lt, quot.
  • Constructor Details

    • XMLTokener

      public XMLTokener​(java.io.Reader r)
      Construct an XMLTokener from a Reader.
      Parameters:
      r - A source reader.
    • XMLTokener

      public XMLTokener​(java.lang.String s)
      Construct an XMLTokener from a string.
      Parameters:
      s - A source string.
  • Method Details

    • nextCDATA

      public java.lang.String nextCDATA() throws JSONException
      Get the text in the CDATA block.
      Returns:
      The string up to the ]]>.
      Throws:
      JSONException - If the ]]> is not found.
    • nextContent

      public java.lang.Object nextContent() throws JSONException
      Get the next XML outer token, trimming whitespace. There are two kinds of tokens: the
      '<' 
      character which begins a markup tag, and the content text between markup tags.
      Returns:
      A string, or a
      '<' 
      Character, or null if there is no more source text.
      Throws:
      JSONException - if a called function has an error
    • nextEntity

      public java.lang.Object nextEntity​(char ampersand) throws JSONException
      
       Return the next entity. These entities are translated to Characters:
           &amp;  &apos;  &gt;  &lt;  &quot;.
       
      Parameters:
      ampersand - An ampersand character.
      Returns:
      A Character or an entity String if the entity is not recognized.
      Throws:
      JSONException - If missing ';' in XML entity.
    • nextMeta

      public java.lang.Object nextMeta() throws JSONException
      
       Returns the next XML meta token. This is used for skipping over <!...>
       and <?...?> structures.
        
      Returns:
      Syntax characters (< > / = ! ?) are returned as
        Character, and strings and names are returned as Boolean. We don't care
        what the values actually are.
        
      Throws:
      JSONException - If a string is not properly closed or if the XML is badly structured.
    • nextToken

      public java.lang.Object nextToken() throws JSONException
      
       Get the next XML Token. These tokens are found inside of angle
       brackets. It may be one of these characters: / > = ! ? or it
       may be a string wrapped in single quotes or double quotes, or it may be a
       name.
       
      Returns:
      a String or a Character.
      Throws:
      JSONException - If the XML is not well formed.
    • skipPast

      public void skipPast​(java.lang.String to)
      Skip characters until past the requested string. If it is not found, we are left at the end of the source with a result of false.
      Parameters:
      to - A string to skip past.