Package org.codehaus.jettison.util

Class StringIndenter

java.lang.Object

org.codehaus.jettison.util.StringIndenter

public class StringIndenter
extends java.lang.Object

 indent json, assumes the input is not yet indented.  here is an example:
 {
 "FastResponseJs":{
   "ajaxElements":{
     "AjaxMapEntry":[
       {
         "theKey":{
           "@class":"string",
           "$":"ajax1a"
         },
         "theValue":{
           "@class":"AjaxEvent",
           "ajaxSendFormNames":{
             "string":"ajax1"
           },
           "ajaxEventType":"NORMAL",
           "eventName":"onblur",
           "ajaxId":"PRLZY5QZ",
           "screenElementId":"ajax1a",
           "asynchronous":true,
           "disableValidation":true
         }
         
       },
       {
         "theKey":{
        ...
        
        
   Usage: String formatted = new StringIndenter(jsonString).result();
 

Field Summary

Fields

Modifier and Type	Field	Description
private int	currentNumberOfIndents	current number of indents (times to is the indent
private int	endTagIndex	current end tag
private java.lang.String	json	chars to process
private java.lang.StringBuilder	result	result
private int	startTagIndex	current start tag

Constructor Summary

Constructors

Constructor	Description
StringIndenter(java.lang.String theJson)

Method Summary

Modifier and Type	Method	Description
private int	findEndTagIndex()	after the last start tag, find the next end start tag
private static int	findNextEndTagIndex(java.lang.String json, int startFrom)	find the end tag from json and a start from index
private static int	findNextStartTagIndex(java.lang.String json, int startFrom)	find the start tag from json and a start from index either look for a quote, {, [ or scalar.
private int	findStartTagIndex()	after the last end tag, find the next start tag
private void	indent()	indent the string
private static boolean	instantIndent(java.lang.String json, int index)	see if instant indent
private static boolean	instantNewline(java.lang.String json, int index)	see if instant indent
private static boolean	instantUnindent(java.lang.String json, int index)	see if instant unindent
private static boolean	instantUnindentTwoChars(java.lang.String json, int index)	see if instant indent
private void	newlineIndent()	put a newline and indent
private boolean	onNewline()	see if current pos is on newline
private void	printNewlineIndent(int start, int end)	put a newline and indent
private static java.lang.String	repeat(java.lang.String theString, int times)	repeat a string a certain number of times.
java.lang.String	result()	get the result
private void	unindent()	unindent a previous indent if it is there

Methods inherited from class java.lang.Object

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

Field Detail

json

private java.lang.String json

chars to process

startTagIndex

private int startTagIndex

current start tag

endTagIndex

private int endTagIndex

current end tag

currentNumberOfIndents

private int currentNumberOfIndents

current number of indents (times to is the indent

result

private java.lang.StringBuilder result

result

Constructor Detail

StringIndenter

public StringIndenter(java.lang.String theJson)

Parameters:

theJson - is the json to format indenter

Method Detail

result

public java.lang.String result()

get the result

Returns:

the result

indent

private void indent()

indent the string

onNewline

private boolean onNewline()

see if current pos is on newline

Returns:

true if on new line

instantIndent

private static boolean instantIndent(java.lang.String json,
                                     int index)

see if instant indent

Parameters:

json -

index -

Returns:

if it is an instant indent

instantNewline

private static boolean instantNewline(java.lang.String json,
                                      int index)

see if instant indent

Parameters:

json -

index -

Returns:

if it is an instant indent

instantUnindent

private static boolean instantUnindent(java.lang.String json,
                                       int index)

see if instant unindent

Parameters:

json -

index -

Returns:

if it is an instant unindent

instantUnindentTwoChars

private static boolean instantUnindentTwoChars(java.lang.String json,
                                               int index)

see if instant indent

Parameters:

json -

index -

Returns:

if it is an instant indent

printNewlineIndent

private void printNewlineIndent(int start,
                                int end)

put a newline and indent

Parameters:

start -

end -

newlineIndent

private void newlineIndent()

put a newline and indent

repeat

private static java.lang.String repeat(java.lang.String theString,
                                       int times)

repeat a string a certain number of times.

Parameters:

theString -

times -

Returns:

the string

unindent

private void unindent()

unindent a previous indent if it is there

findStartTagIndex

private int findStartTagIndex()

after the last end tag, find the next start tag

Returns:

the next start tag

findEndTagIndex

private int findEndTagIndex()

after the last start tag, find the next end start tag

Returns:

the next start tag

findNextStartTagIndex

private static int findNextStartTagIndex(java.lang.String json,
                                         int startFrom)

find the start tag from json and a start from index either look for a quote, {, [ or scalar. generally not whitespace

Parameters:

json -

startFrom -

Returns:

the start tag index of -1 if not found another

findNextEndTagIndex

private static int findNextEndTagIndex(java.lang.String json,
                                       int startFrom)

find the end tag from json and a start from index

Parameters:

json -

startFrom - is the char after the start of tag

Returns:

the start tag index of -1 if not found another