TagAttributeInfo (JSP 2.2 API Documentation

java.lang.Object
- javax.servlet.jsp.tagext.TagAttributeInfo

```
public class TagAttributeInfo
extends java.lang.Object
```
Information on the attributes of a Tag, available at translation time. This class is instantiated from the Tag Library Descriptor file (TLD).
Only the information needed to generate code is included here. Other information like SCHEMA for validation belongs elsewhere.

Field Summary

Fields
Modifier and Type Field and Description

static java.lang.String ID
"id" is wired in to be ID.

Fields
Modifier and Type	Field and Description
`static java.lang.String`	`ID` "id" is wired in to be ID.

Constructor Summary

Constructors
Constructor and Description
`TagAttributeInfo(java.lang.String name, boolean required, java.lang.String type, boolean reqTime)` Constructor for TagAttributeInfo.
`TagAttributeInfo(java.lang.String name, boolean required, java.lang.String type, boolean reqTime, boolean fragment)` JSP 2.0 Constructor for TagAttributeInfo.
`TagAttributeInfo(java.lang.String name, boolean required, java.lang.String type, boolean reqTime, boolean fragment, java.lang.String description, boolean deferredValue, boolean deferredMethod, java.lang.String expectedTypeName, java.lang.String methodSignature)` JSP 2.1 Constructor for TagAttributeInfo.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`canBeRequestTime()` Whether this attribute can hold a request-time value.
`java.lang.String`	`getDescription()`
`java.lang.String`	`getExpectedTypeName()`
`static TagAttributeInfo`	`getIdAttribute(TagAttributeInfo[] a)` Convenience static method that goes through an array of TagAttributeInfo objects and looks for "id".
`java.lang.String`	`getMethodSignature()`
`java.lang.String`	`getName()` The name of this attribute.
`java.lang.String`	`getTypeName()` The type (as a String) of this attribute.
`boolean`	`isDeferredMethod()`
`boolean`	`isDeferredValue()`
`boolean`	`isFragment()` Whether this attribute is of type JspFragment.
`boolean`	`isRequired()` Whether this attribute is required.
`java.lang.String`	`toString()` Returns a String representation of this TagAttributeInfo, suitable for debugging purposes.

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

- Field Detail
  - ID
```
public static final java.lang.String ID
```
    "id" is wired in to be ID. There is no real benefit in having it be something else IDREFs are not handled any differently.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - TagAttributeInfo
```
public TagAttributeInfo(java.lang.String name,
                boolean required,
                java.lang.String type,
                boolean reqTime)
```
    Constructor for TagAttributeInfo. This class is to be instantiated only from the TagLibrary code under request from some JSP code that is parsing a TLD (Tag Library Descriptor).
    
    Parameters:
    name - The name of the attribute.
    required - If this attribute is required in tag instances.
    type - The name of the type of the attribute.
    reqTime - Whether this attribute holds a request-time Attribute.
  - TagAttributeInfo
```
public TagAttributeInfo(java.lang.String name,
                boolean required,
                java.lang.String type,
                boolean reqTime,
                boolean fragment)
```
    JSP 2.0 Constructor for TagAttributeInfo. This class is to be instantiated only from the TagLibrary code under request from some JSP code that is parsing a TLD (Tag Library Descriptor).
    
    Parameters:
    name - The name of the attribute.
    required - If this attribute is required in tag instances.
    type - The name of the type of the attribute.
    reqTime - Whether this attribute holds a request-time Attribute.
    fragment - Whether this attribute is of type JspFragment
    Since:
    
    2.0
  - TagAttributeInfo
```
public TagAttributeInfo(java.lang.String name,
                boolean required,
                java.lang.String type,
                boolean reqTime,
                boolean fragment,
                java.lang.String description,
                boolean deferredValue,
                boolean deferredMethod,
                java.lang.String expectedTypeName,
                java.lang.String methodSignature)
```
    JSP 2.1 Constructor for TagAttributeInfo. This class is to be instantiated only from the TagLibrary code under request from some JSP code that is parsing a TLD (Tag Library Descriptor).
    
    Parameters:
    name - The name of the attribute.
    required - If this attribute is required in tag instances.
    type - The name of the type of the attribute.
    reqTime - Whether this attribute holds a request-time Attribute.
    fragment - Whether this attribute is of type JspFragment
    description - Description of this attribute
    deferredValue - Does this attribute accept value expressions (written as Strings) as attribute values the evaluation of which is deferred until calculated by the tag
    deferredMethod - Does this attribute accept method expressions (written as Strings) as attribute values the evaluation of which is deferred until calculated by the tag
    expectedTypeName - The expected type when the deferred value is evaluated
    methodSignature - The expected method signature if a deferred method
    Since:
    
    JSP 2.1
- Method Detail
  - getName
```
public java.lang.String getName()
```
    The name of this attribute.
    
    Returns:
    the name of the attribute
  - getTypeName
```
public java.lang.String getTypeName()
```
    The type (as a String) of this attribute.
    
    Returns:
    the type of the attribute
  - canBeRequestTime
```
public boolean canBeRequestTime()
```
    Whether this attribute can hold a request-time value.
    
    Returns:
    if the attribute can hold a request-time value.
  - isRequired
```
public boolean isRequired()
```
    Whether this attribute is required.
    
    Returns:
    if the attribute is required.
  - getIdAttribute
```
public static TagAttributeInfo getIdAttribute(TagAttributeInfo[] a)
```
    Convenience static method that goes through an array of TagAttributeInfo objects and looks for "id".
    
    Parameters:
    a - An array of TagAttributeInfo
    
    Returns:
    The TagAttributeInfo reference with name "id"
  - isFragment
```
public boolean isFragment()
```
    Whether this attribute is of type JspFragment.
    
    Returns:
    if the attribute is of type JspFragment
    Since:
    
    2.0
  - toString
```
public java.lang.String toString()
```
    Returns a String representation of this TagAttributeInfo, suitable for debugging purposes.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    a String representation of this TagAttributeInfo
  - isDeferredMethod
```
public boolean isDeferredMethod()
```
  - isDeferredValue
```
public boolean isDeferredValue()
```
  - getDescription
```
public java.lang.String getDescription()
```
  - getExpectedTypeName
```
public java.lang.String getExpectedTypeName()
```
  - getMethodSignature
```
public java.lang.String getMethodSignature()
```

Class TagAttributeInfo

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ID

Constructor Detail

TagAttributeInfo

TagAttributeInfo

TagAttributeInfo

Method Detail

getName

getTypeName

canBeRequestTime

isRequired

getIdAttribute

isFragment

toString

isDeferredMethod

isDeferredValue

getDescription

getExpectedTypeName

getMethodSignature