cn.hutool.json

Class XMLTokener

java.lang.Object

cn.hutool.json.JSONTokener

cn.hutool.json.XMLTokener

public class XMLTokener
extends JSONTokener

XML分析器，继承自JSONTokener，提供XML的语法分析

Author:

JSON.org

Field Summary

Fields

Modifier and Type	Field and Description
static HashMap<String,Character>	entity The table of entity values.

Constructor Summary

Constructors

Constructor and Description
XMLTokener(CharSequence s, JSONConfig config) Construct an XMLTokener from a string.

Method Summary

Modifier and Type	Method and Description
String	nextCDATA() Get the text in the CDATA block.
Object	nextContent() Get the next XML outer token, trimming whitespace.
Object	nextEntity(char ampersand) Return the next entity.
Object	nextMeta() Returns the next XML meta token.
Object	nextToken() Get the next XML Token.
boolean	skipPast(String to) Skip characters until past the requested string.

Methods inherited from class cn.hutool.json.JSONTokener

back, end, getPrevious, more, next, next, next, nextClean, nextString, nextStringValue, nextTo, nextTo, nextValue, skipTo, syntaxError, toJSONArray, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

entity

public static final HashMap<String,Character> entity

The table of entity values. It initially contains Character values for amp, apos, gt, lt, quot.

Constructor Detail

XMLTokener

public XMLTokener(CharSequence s,
                  JSONConfig config)

Construct an XMLTokener from a string.

Parameters:

s - A source string.

config - JSON配置

Method Detail

nextCDATA

public 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 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 - JSON

nextEntity

public Object nextEntity(char ampersand)
                  throws JSONException

Return the next entity. These entities are translated to Characters: & ' > < ".

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 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 - 字符串中属性未关闭或XML结构错误抛出此异常。If a string is not properly closed or if the XML is badly structured.

nextToken

public 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 boolean skipPast(String to)
                 throws JSONException

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.

Returns:

是否成功skip

Throws:

JSONException - JSON异常