Package ucar.unidata.util

Class Json

java.lang.Object

ucar.unidata.util.Json

public class Json
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final boolean	DFLT_QUOTE	default quote value
static final String	FIELD_DATA	_more_
static final String	FIELD_DATE	_more_
static final String	FIELD_ELEVATION	_more_
static final String	FIELD_FIELDS	_more_
static final String	FIELD_LATITUDE	_more_
static final String	FIELD_LONGITUDE	_more_
static final String	FIELD_NAME	_more_
static final String	FIELD_VALUES	_more_
static final String	MIMETYPE	JSON MIME type
static final String	NULL	the null string identifier

Constructor Summary

Constructors

Constructor	Description
Json()

Method Summary

Modifier and Type	Method	Description
static void	addGeolocation(Appendable pw, double lat, double lon, double elevation)	_more_
static String	attr(String name, double value)	_more_
static String	attr(String name, long value)	_more_
static String	attr(String name, String value)	Create a JSON object attribute
static String	attr(String name, String value, boolean quoteValue)	Create a JSON object attribute
static void	attr(List<String> items, String name, String value)	Make an attribute and add it to the list
static String	cleanString(String aText)	Clean a string of illegal JSON characters
static String	formatNumber(double d)	_more_
static String	getString(String s, boolean quote)	Get a string
static String	list(String[] values)	Create a JSON list from the array of strings
static String	list(List values)	Create a JSON list from the array of strings
static String	list(List values, boolean quoteValue)	Create a JSON list from the array of strings
static String	listClose()	_more_
static String	listOpen()	_more_
static void	main(String[] args)	_more_
static String	map(String... values)	Create a JSON map
static String	map(String[] values, boolean quoteValue)	Create a JSON map
static String	map(List<String> values)	Create a JSON map
static String	map(List<String> values, boolean quoteValue)	Create a JSON map
static String	mapAndQuote(String... values)	Create a JSON map
static String	mapAndQuote(List<String> values)	_more_
static String	mapClose()	_more_
static String	mapKey(String key)	_more_
static String	mapOpen()	_more_
static String	quote(String s)	Quote a string
static void	quoteAttr(List<String> items, String name, String value)	quote the attribute value and add it to the list
static String	tfoList(List<TwoFacedObject> values)	Create a list of JSON object from a list of TwoFacedObjects
static String	tfoList(List<TwoFacedObject> values, String idKey, String labelKey)	Create a list of JSON object from a list of TwoFacedObjects

Methods inherited from class java.lang.Object

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

Field Details

MIMETYPE

public static final String MIMETYPE

JSON MIME type

See Also:

• Constant Field Values

NULL

public static final String NULL

the null string identifier

See Also:

• Constant Field Values

DFLT_QUOTE

public static final boolean DFLT_QUOTE

default quote value

See Also:

• Constant Field Values

FIELD_NAME

public static final String FIELD_NAME

_more_

See Also:

• Constant Field Values

FIELD_FIELDS

public static final String FIELD_FIELDS

_more_

See Also:

• Constant Field Values

FIELD_DATA

public static final String FIELD_DATA

_more_

See Also:

• Constant Field Values

FIELD_VALUES

public static final String FIELD_VALUES

_more_

See Also:

• Constant Field Values

FIELD_LATITUDE

public static final String FIELD_LATITUDE

_more_

See Also:

• Constant Field Values

FIELD_LONGITUDE

public static final String FIELD_LONGITUDE

_more_

See Also:

• Constant Field Values

FIELD_ELEVATION

public static final String FIELD_ELEVATION

_more_

See Also:

• Constant Field Values

FIELD_DATE

public static final String FIELD_DATE

_more_

See Also:

• Constant Field Values

Constructor Details

Json

public Json()

Method Details

addGeolocation

public static void addGeolocation(Appendable pw,
 double lat,
 double lon,
 double elevation)
                           throws Exception

_more_

Parameters:

pw - _more_

lat - _more_

lon - _more_

elevation - _more_

Throws:

Exception - _more_

mapAndQuote

public static String mapAndQuote(String... values)

Create a JSON map

Parameters:

values - key/value pairs { key1,value1,key2,value2 }

Returns:

the map object { key1:value1, key2:value2 }

map

public static String map(String... values)

Create a JSON map

Parameters:

values - key/value pairs { key1,value1,key2,value2 }

Returns:

the map object { key1:value1, key2:value2 }

map

public static String map(List<String> values)

Create a JSON map

Parameters:

values - key/value pairs [ key1,value1,key2,value2 ]

Returns:

the map object { key1:value1, key2:value2 }

mapAndQuote

public static String mapAndQuote(List<String> values)

_more_

Parameters:

values - _more_

Returns:

_more_

map

public static String map(String[] values,
 boolean quoteValue)

Create a JSON map

Parameters:

values - key/value pairs { key1,value1,key2,value2 }

quoteValue - true to quote the values

Returns:

the map object { key1:value1, key2:value2 }

map

public static String map(List<String> values,
 boolean quoteValue)

Create a JSON map

Parameters:

values - key/value pairs [ key1,value1,key2,value2 ]

quoteValue - true to quote the values

Returns:

the map object { key1:value1, key2:value2 }

list

public static String list(String[] values)

Create a JSON list from the array of strings

Parameters:

values - list of values { value1,value2,value3,value4 }

Returns:

the values as a JSON array [ value1,value2,value3,value4 ]

list

public static String list(List values)

Create a JSON list from the array of strings

Parameters:

values - list of values [ value1,value2,value3,value4 ]

Returns:

the values as a JSON array [ value1,value2,value3,value4 ]

mapKey

public static String mapKey(String key)

_more_

Parameters:

key - _more_

Returns:

_more_

mapOpen

public static String mapOpen()

_more_

Returns:

_more_

mapClose

public static String mapClose()

_more_

Returns:

_more_

listOpen

public static String listOpen()

_more_

Returns:

_more_

listClose

public static String listClose()

_more_

Returns:

_more_

list

public static String list(List values,
 boolean quoteValue)

Create a JSON list from the array of strings

Parameters:

values - list of values [ value1,value2,value3,value4 ]

quoteValue - true to quote the values

Returns:

the values as a JSON array [ value1,value2,value3,value4 ]

tfoList

public static String tfoList(List<TwoFacedObject> values)

Create a list of JSON object from a list of TwoFacedObjects

Parameters:

values - the values

Returns:

the list [ {id:id1,label:label1},{id:id2,label:label2} ]

tfoList

public static String tfoList(List<TwoFacedObject> values,
 String idKey,
 String labelKey)

Create a list of JSON object from a list of TwoFacedObjects

Parameters:

values - the values

idKey - the key for the TwoFacedObject ID

labelKey - the key for the TwoFacedObject label

Returns:

the list [ {id:id1,label:label1},{id:id2,label:label2} ]

getString

public static String getString(String s,
 boolean quote)

Get a string

Parameters:

s - the string

quote - true to quote

Returns:

the string

attr

public static String attr(String name,
 double value)

_more_

Parameters:

name - _more_

value - _more_

Returns:

_more_

attr

public static String attr(String name,
 long value)

_more_

Parameters:

name - _more_

value - _more_

Returns:

_more_

attr

public static String attr(String name,
 String value)

Create a JSON object attribute

Parameters:

name - the attribute name

value - the attribute value

Returns:

the attribute as name:value

attr

public static String attr(String name,
 String value,
 boolean quoteValue)

Create a JSON object attribute

Parameters:

name - the attribute name

value - the attribute value

quoteValue - true to quote the name and value

Returns:

the attribute as name:value

quoteAttr

public static void quoteAttr(List<String> items,
 String name,
 String value)

quote the attribute value and add it to the list

Parameters:

items - the list of items

name - the attribute name

value - the attribute value

attr

public static void attr(List<String> items,
 String name,
 String value)

Make an attribute and add it to the list

Parameters:

items - the list of name/value pairs

name - the attribute name

value - the attribute value

formatNumber

public static String formatNumber(double d)

_more_

Parameters:

d - _more_

Returns:

_more_

quote

public static String quote(String s)

Quote a string

Parameters:

s - the string

Returns:

the quoted string

cleanString

public static String cleanString(String aText)

Clean a string of illegal JSON characters

Parameters:

aText - the string

Returns:

the cleaned string

main

public static void main(String[] args)

_more_

Parameters:

args - _more_