Attr (jquery-selectors 3.0.5 API)

java.lang.Object
- de.agilecoders.wicket.jquery.Attr

All Implemented Interfaces:

Serializable, CharSequence, IClusterable

Direct Known Subclasses:

Attr.Auto, Attr.MarkupId, Attr.NoSelector, Attr.Plain, Attr.Quoted
```
public abstract class Attr
extends Object
implements CharSequence, IClusterable
```
Attr represents a jquery attribute.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`Attr.Auto`	jquery attribute the value and type will be detect automatically.
`static class`	`Attr.MarkupId`	markup id jquery selector.
`static class`	`Attr.NoSelector`	NoSelector represents the static object of jQuery, e.g.
`static class`	`Attr.NullValue`	NullValue represents a jquery attribute that is "null".
`static class`	`Attr.Plain`	Plain jquery attribute, this attribute won't be quoted.
`static class`	`Attr.Quoted`	quoted jquery attribute.

Constructor Summary

Constructors
Modifier Constructor Description

protected Attr(CharSequence selector)
Construct.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`char`	`charAt(int index)`
`boolean`	`equals(Object obj)`
`int`	`hashCode()`
`static boolean`	`isNullOrEmpty(Attr attr)`	checks whether given value is null or empty
`int`	`length()`
`static Attr`	`noSelector()`
`static Attr`	`nullValue()`
`CharSequence`	`subSequence(int start, int end)`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.CharSequence
chars, codePoints

- Constructor Detail
  - Attr
```
protected Attr(CharSequence selector)
```
    Construct.
    
    Parameters:
    
    selector - the jquery selector
- Method Detail
  - isNullOrEmpty
```
public static boolean isNullOrEmpty(Attr attr)
```
    checks whether given value is null or empty
    
    Parameters:
    
    attr - the attribute to check
    
    Returns:
    
    true, if given attribute is null or empty
  - length
```
public int length()
```
    Specified by:
    
    length in interface CharSequence
  - charAt
```
public char charAt(int index)
```
    Specified by:
    
    charAt in interface CharSequence
  - subSequence
```
public CharSequence subSequence(int start,
                                int end)
```
    Specified by:
    
    subSequence in interface CharSequence
  - toString
```
public String toString()
```
    Specified by:
    
    toString in interface CharSequence
    
    Overrides:
    
    toString in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - noSelector
```
public static Attr noSelector()
```
  - nullValue
```
public static Attr nullValue()
```
    Returns:
    
    null value instance