public class TagHandlerPool
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
protected InstanceManager |
instanceManager |
static java.lang.String |
OPTION_MAXSIZE |
static java.lang.String |
OPTION_TAGPOOL |
Constructor and Description |
---|
TagHandlerPool()
Constructs a tag handler pool with the default capacity.
|
Modifier and Type | Method and Description |
---|---|
Tag |
get(java.lang.Class<? extends Tag> handlerClass)
Gets the next available tag handler from this tag handler pool,
instantiating one if this tag handler pool is empty.
|
protected static java.lang.String |
getOption(ServletConfig config,
java.lang.String name,
java.lang.String defaultV) |
static TagHandlerPool |
getTagHandlerPool(ServletConfig config) |
protected void |
init(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.
|
public static final java.lang.String OPTION_TAGPOOL
public static final java.lang.String OPTION_MAXSIZE
protected InstanceManager instanceManager
public TagHandlerPool()
public static TagHandlerPool getTagHandlerPool(ServletConfig config)
protected void init(ServletConfig config)
public Tag get(java.lang.Class<? extends Tag> handlerClass) throws JspException
handlerClass
- Tag handler classJspException
- if a tag handler cannot be instantiatedpublic void reuse(Tag handler)
handler
- Tag handler to add to this tag handler poolpublic void release()
protected static java.lang.String getOption(ServletConfig config, java.lang.String name, java.lang.String defaultV)
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