Class TagHandlerPool
- java.lang.Object
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- org.apache.sling.scripting.jsp.jasper.runtime.TagHandlerPool
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public class TagHandlerPool extends java.lang.Object
Pool of tag handlers that can be reused.
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
OPTION_MAXSIZE
static java.lang.String
OPTION_TAGPOOL
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Constructor Summary
Constructors Constructor Description TagHandlerPool()
Constructs a tag handler pool with the default capacity.TagHandlerPool(int capacity)
Deprecated.Use static getTagHandlerPool
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Tag
get(java.lang.Class handlerClass)
Gets the next available tag handler from this tag handler pool, instantiating one if this tag handler pool is empty.static TagHandlerPool
getTagHandlerPool(ServletConfig config)
void
release()
Calls the release() method of all available tag handlers in this tag handler pool.void
reuse(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.
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Constructor Detail
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TagHandlerPool
public TagHandlerPool()
Constructs a tag handler pool with the default capacity.
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TagHandlerPool
@Deprecated public TagHandlerPool(int capacity)
Deprecated.Use static getTagHandlerPoolConstructs a tag handler pool with the given capacity.- Parameters:
capacity
- Tag handler pool capacity
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Method Detail
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getTagHandlerPool
public static TagHandlerPool getTagHandlerPool(ServletConfig config)
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get
public Tag get(java.lang.Class handlerClass) throws 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:
JspException
- if a tag handler cannot be instantiated
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reuse
public void reuse(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
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release
public void release()
Calls the release() method of all available tag handlers in this tag handler pool.
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