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java.lang.Objectorg.apache.tomcat.util.json.JSONTokener
public class JSONTokener
A JSONTokener takes a source string and extracts characters and tokens from it. It is used by the JSONObject and JSONArray constructors to parse JSON source strings.
Constructor Summary | |
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JSONTokener(java.io.Reader reader)
Construct a JSONTokener from a string. |
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JSONTokener(java.lang.String s)
Construct a JSONTokener from a string. |
Method Summary | |
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void |
back()
Back up one character. |
static int |
dehexchar(char c)
Get the hex value of a character (base16). |
boolean |
more()
Determine if the source string still contains characters that next() can consume. |
char |
next()
Get the next character in the source string. |
char |
next(char c)
Consume the next character, and check that it matches a specified character. |
java.lang.String |
next(int n)
Get the next n characters. |
char |
nextClean()
Get the next char in the string, skipping whitespace. |
java.lang.String |
nextString(char quote)
Return the characters up to the next close quote character. |
java.lang.String |
nextTo(char d)
Get the text up but not including the specified character or the end of line, whichever comes first. |
java.lang.String |
nextTo(java.lang.String delimiters)
Get the text up but not including one of the specified delimiter characters or the end of line, whichever comes first. |
java.lang.Object |
nextValue()
Get the next value. |
char |
skipTo(char to)
Skip characters until the next character is the requested character. |
JSONException |
syntaxError(java.lang.String message)
Make a JSONException to signal a syntax error. |
java.lang.String |
toString()
Make a printable string of this JSONTokener. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public JSONTokener(java.io.Reader reader)
reader
- A reader.public JSONTokener(java.lang.String s)
s
- A source string.Method Detail |
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public void back() throws JSONException
JSONException
public static int dehexchar(char c)
c
- A character between '0' and '9' or between 'A' and 'F' or
between 'a' and 'f'.
public boolean more() throws JSONException
JSONException
public char next() throws JSONException
JSONException
public char next(char c) throws JSONException
c
- The character to match.
JSONException
- if the character does not match.public java.lang.String next(int n) throws JSONException
n
- The number of characters to take.
JSONException
- Substring bounds error if there are not
n characters remaining in the source string.public char nextClean() throws JSONException
JSONException
public java.lang.String nextString(char quote) throws JSONException
quote
- The quoting character, either
"
(double quote) or
'
(single quote).
JSONException
- Unterminated string.public java.lang.String nextTo(char d) throws JSONException
d
- A delimiter character.
JSONException
public java.lang.String nextTo(java.lang.String delimiters) throws JSONException
delimiters
- A set of delimiter characters.
JSONException
public java.lang.Object nextValue() throws JSONException
JSONException
- If syntax error.public char skipTo(char to) throws JSONException
to
- A character to skip to.
JSONException
public JSONException syntaxError(java.lang.String message)
message
- The error message.
public java.lang.String toString()
toString
in class java.lang.Object
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