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java.lang.Objectcom.ijchart.xychart.util.StringUtil
public abstract class StringUtil
Title: IJChart
Description: a chart library for the Java(tm) platform.
Nice static helpers for working with StringsCopyright: Copyright (c) 2013
Company:
Constructor Summary | |
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StringUtil()
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Method Summary | |
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static boolean |
isEmpty(java.lang.String str)
Test whether or not string is null or empty. |
static boolean |
isEmpty(java.lang.String[] arr,
boolean trim)
Returns whether or not an array of elements are as null. |
static boolean |
isEmptyWithTrim(java.lang.String str)
Test whether or not string is null or String.trim() return empty. |
static java.lang.String |
javascriptEscape(java.lang.String str)
Returns a string that is equivalent to the input string, but with special characters converted to JavaScript escape sequences. |
static java.lang.String |
nullToEmpty(java.lang.String str)
If str is null return empty string,otherwise return str. |
static java.lang.Object |
nullToString(java.lang.Object obj)
If str is null return "null",otherwise return str. |
static java.lang.String[] |
removeRepeatValues(java.lang.String[] values)
Remove repeat values and reserve the center object. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public StringUtil()
Method Detail |
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public static boolean isEmpty(java.lang.String str)
str
- String
The test string.
public static boolean isEmptyWithTrim(java.lang.String str)
String.trim()
return empty.
str
- String
The test string.
String.trim()
is empty return true,
otherwise return false.public static java.lang.String nullToEmpty(java.lang.String str)
str
- String
A string (null permitted).
public static java.lang.Object nullToString(java.lang.Object obj)
obj
- Object
A Object (null permitted).
public static boolean isEmpty(java.lang.String[] arr, boolean trim)
arr
- String[]
An array (null permitted).trim
- boolean
Whether or not trim space.
public static java.lang.String[] removeRepeatValues(java.lang.String[] values)
values
- String[]
The array of labels.
public static java.lang.String javascriptEscape(java.lang.String str)
str
- String
The input string (null permitted).
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