Package org.apache.sling.scripting.jsp.jasper.runtime

Class TagHandlerPool

java.lang.Object
org.apache.sling.scripting.jsp.jasper.runtime.TagHandlerPool
public class TagHandlerPool extends Object
Pool of tag handlers that can be reused.
Author:
Jan Luehe

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected AnnotationProcessor
    annotationProcessor
     
    static String
    OPTION_MAXSIZE
     
    static String
    OPTION_TAGPOOL
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    TagHandlerPool()
    Constructs a tag handler pool with the default capacity.
    TagHandlerPool(int capacity)
    Deprecated.
    Use static getTagHandlerPool

  • Method Summary

    Modifier and Type
    Method
    Description
    javax.servlet.jsp.tagext.Tag
    get(Class handlerClass)
    Gets the next available tag handler from this tag handler pool, instantiating one if this tag handler pool is empty.
    protected static String
    getOption(javax.servlet.ServletConfig config, String name, String defaultV)
     
    static TagHandlerPool
    getTagHandlerPool(javax.servlet.ServletConfig config)
     
    protected void
    init(javax.servlet.ServletConfig config)
     
    void
    release()
    Calls the release() method of all available tag handlers in this tag handler pool.
    void
    reuse(javax.servlet.jsp.tagext.Tag handler)
    Adds the given tag handler to this tag handler pool, unless this tag handler pool has already reached its capacity, in which case the tag handler's release() method is called.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • OPTION_TAGPOOL

      public static String OPTION_TAGPOOL

    • OPTION_MAXSIZE

      public static String OPTION_MAXSIZE

    • annotationProcessor

      protected AnnotationProcessor annotationProcessor

  • Constructor Details

    • TagHandlerPool

      public TagHandlerPool()
      Constructs a tag handler pool with the default capacity.

    • TagHandlerPool

      @Deprecated public TagHandlerPool(int capacity)
      Deprecated.
      Use static getTagHandlerPool
      Constructs a tag handler pool with the given capacity.
      Parameters:
      capacity - Tag handler pool capacity

  • Method Details

    • getTagHandlerPool

      public static TagHandlerPool getTagHandlerPool(javax.servlet.ServletConfig config)

    • init

      protected void init(javax.servlet.ServletConfig config)

    • get

      public javax.servlet.jsp.tagext.Tag get(Class handlerClass) throws javax.servlet.jsp.JspException
      Gets the next available tag handler from this tag handler pool, instantiating one if this tag handler pool is empty.
      Parameters:
      handlerClass - Tag handler class
      Returns:
      Reused or newly instantiated tag handler
      Throws:
      javax.servlet.jsp.JspException - if a tag handler cannot be instantiated

    • reuse

      public void reuse(javax.servlet.jsp.tagext.Tag handler)
      Adds the given tag handler to this tag handler pool, unless this tag handler pool has already reached its capacity, in which case the tag handler's release() method is called.
      Parameters:
      handler - Tag handler to add to this tag handler pool

    • release

      public void release()
      Calls the release() method of all available tag handlers in this tag handler pool.

    • getOption

      protected static String getOption(javax.servlet.ServletConfig config, String name, String defaultV)