public class TagHandlerPool
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
private int |
current |
private javax.servlet.jsp.tagext.JspTag[] |
handlers |
static java.lang.String |
OPTION_MAXSIZE |
static java.lang.String |
OPTION_TAGPOOL |
private ResourceInjector |
resourceInjector |
Constructor and Description |
---|
TagHandlerPool()
Constructs a tag handler pool with the default capacity.
|
TagHandlerPool(int capacity)
Deprecated.
Use static getTagHandlerPool
|
Modifier and Type | Method and Description |
---|---|
<T extends javax.servlet.jsp.tagext.JspTag> |
get(java.lang.Class<T> 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(javax.servlet.ServletConfig config,
java.lang.String name,
java.lang.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.JspTag 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
private javax.servlet.jsp.tagext.JspTag[] handlers
private ResourceInjector resourceInjector
private int current
public TagHandlerPool()
public TagHandlerPool(int capacity)
capacity
- Tag handler pool capacitypublic static TagHandlerPool getTagHandlerPool(javax.servlet.ServletConfig config)
protected void init(javax.servlet.ServletConfig config)
public <T extends javax.servlet.jsp.tagext.JspTag> javax.servlet.jsp.tagext.JspTag get(java.lang.Class<T> handlerClass) throws javax.servlet.jsp.JspException
handlerClass
- Tag handler classjavax.servlet.jsp.JspException
- if a tag handler cannot be instantiatedpublic void reuse(javax.servlet.jsp.tagext.JspTag handler)
handler
- JspTag handler to add to this tag handler poolpublic void release()
protected static java.lang.String getOption(javax.servlet.ServletConfig config, java.lang.String name, java.lang.String defaultV)