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TagAttributeInfo (Java 2 Platform Ent. Ed. v1.4) - Java Platform, Enterprise Edition v1.4 API Specifications

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Ent. Ed. v1.4

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javax.servlet.jsp.tagext
Class TagAttributeInfo

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

public class TagAttributeInfo
extends 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

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

Constructor Summary

TagAttributeInfo(String name, boolean required, String type, boolean reqTime)
          Constructor for TagAttributeInfo.

TagAttributeInfo(String name, boolean required, String type, boolean reqTime, boolean fragment)
          JSP 2.0 Constructor for TagAttributeInfo.

Method Summary

boolean canBeRequestTime()
          Whether this attribute can hold a request-time value.

static TagAttributeInfo getIdAttribute(TagAttributeInfo[] a)
          Convenience static method that goes through an array of TagAttributeInfo objects and looks for "id".

String getName()
          The name of this attribute.

String getTypeName()
          The type (as a String) of this attribute.

boolean isFragment()
          Whether this attribute is of type JspFragment.

boolean isRequired()
          Whether this attribute is required.

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 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(String name,
                        boolean required,
                        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(String name,
                        boolean required,
                        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

Method Detail

getName

public String getName()

The name of this attribute.

Returns:: the name of the attribute

getTypeName

public 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 String toString()

Returns a String representation of this TagAttributeInfo, suitable for debugging purposes.

Returns:: a String representation of this TagAttributeInfo

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