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org.eclipse.jet.core.parser.ast
Class TagLibraryUsageManager

java.lang.Object
  extended by 
org.eclipse.jet.core.parser.ast.TagLibraryUsageManager

public class TagLibraryUsageManager
extends java.lang.Object

A class to manage usage of tag libraries in a JET2 template.


Constructor Summary
TagLibraryUsageManager (java.util.Map predefinedLibraryMap, ITagLibraryResolver tagLibraryResolver)
           
 
Method Summary
 void add (java.lang.String prefix, java.lang.String libraryId)
          Defined a prefix for a tag library id.
 boolean canDefinePrefix (java.lang.String prefix, java.lang.String id)
          Test whether a prefix can be created.
 java.lang.String[] getKnownTagNames ()
           
 java.lang.String getLibraryIdFromPrefix (java.lang.String prefix)
           
  TagDefinition getTagDefinition (java.lang.String tagName)
          Return the TagDefinition of the selected tag.
  TagLibraryReference[] getTagLibraryReferences ()
           
 boolean isKnownInvalidTagName (java.lang.String tagName)
          Test whether the tag name passed is known to be an invalid name by the manager.
 boolean isKnownTag (java.lang.String tagName)
          Test whether the tag name passed is know to this manager
 boolean isLibraryDefined (java.lang.String libaryId)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TagLibraryUsageManager

public TagLibraryUsageManager(java.util.Map predefinedLibraryMap,
                              
ITagLibraryResolver tagLibraryResolver)
Parameters:
predefinedLibraryMap - a map of predefined prefixes and their tag libary ids.
Method Detail

canDefinePrefix

public boolean canDefinePrefix(java.lang.String prefix,
                               java.lang.String id)
Test whether a prefix can be created.

Conditions where this can succeed:

  • prefix is not defined in either the predefined library map or the library map.
  • Parameters:
    prefix - a prefix
    id - the tag libary id.
    Returns:
    true if the prefix can be created.

    isLibraryDefined

    public boolean isLibraryDefined(java.lang.String libaryId)

    getLibraryIdFromPrefix

    public java.lang.String getLibraryIdFromPrefix(java.lang.String prefix)

    add

    public void add(java.lang.String prefix,
                    java.lang.String libraryId)
    Defined a prefix for a tag library id. If a prefix for the tag library id is already defined in the predefined librarys map, then that prefix is removed.

    Parameters:
    prefix - a prefix
    libraryId - a library id

    getTagDefinition

    public 
    TagDefinition getTagDefinition(java.lang.String tagName)
    Return the TagDefinition of the selected tag.

    Parameters:
    tagName - the QName of the tag
    Returns:
    the TagDefinition

    isKnownTag

    public boolean isKnownTag(java.lang.String tagName)
    Test whether the tag name passed is know to this manager

    Returns:
    true if the tag matches one of the libraries, false otherwise.

    isKnownInvalidTagName

    public boolean isKnownInvalidTagName(java.lang.String tagName)
    Test whether the tag name passed is known to be an invalid name by the manager. The tag name is known to be invalid if it has a known prefix, but an unknown unqualified tag name.

    Returns:
    true if the tag matches one of the libraries, false otherwise.

    getTagLibraryReferences

    public 
    TagLibraryReference[] getTagLibraryReferences()

    getKnownTagNames

    public java.lang.String[] getKnownTagNames()

    Copyright 2006 IBM Corporation and others.
    All Rights Reserved.


     
     
      Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire