com.ora.jsp.tags.generic
Class MenuItemTag
java.lang.Object
|
+--javax.servlet.jsp.tagext.TagSupport
|
+--javax.servlet.jsp.tagext.BodyTagSupport
|
+--com.ora.jsp.tags.generic.MenuItemTag
- All Implemented Interfaces:
- javax.servlet.jsp.tagext.BodyTag, ParamParent, java.io.Serializable, javax.servlet.jsp.tagext.Tag
- public class MenuItemTag
- extends javax.servlet.jsp.tagext.BodyTagSupport
- implements ParamParent
This class is a custom action for inserting HTML references
in a navigation menu. If the action is used in a page
with requested with a URI that corresponds to the page
attribute, only the HTML text is included, otherwise an
HTML reference (...) element is used to enclose the
HTML text. The action also encodes the page URI for URL rewriting
with possible parameter values URL encoded.
- Version:
- 1.0.1
- Author:
- Hans Bergsten, Gefion software
- See Also:
- Serialized Form
Inner Class Summary |
(package private) class |
MenuItemTag.Param
This is a helper class that holds the name and value of a
parameter. |
Field Summary |
private java.lang.String |
html
|
private java.lang.String |
page
|
private java.util.Vector |
params
|
Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport |
bodyContent |
Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
id, pageContext, parent, values |
Fields inherited from interface javax.servlet.jsp.tagext.BodyTag |
EVAL_BODY_TAG |
Fields inherited from interface javax.servlet.jsp.tagext.Tag |
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Method Summary |
int |
doAfterBody()
Sets the html attribute. |
int |
doEndTag()
Writes the HTML to the current output, enclosed in an
HTML reference element (...) if the page attribute
doesn't correspond to the current page. |
void |
release()
Releases all instance variables. |
void |
setPage(java.lang.String page)
Sets the page attribute. |
void |
setParam(java.lang.String name,
java.lang.String value)
Adds a parameter name and value. |
private java.lang.String |
toContextRelative(java.lang.String relURI,
java.lang.String currURI)
Returns a page-relative or context-relative path URI as
a context-relative URI. |
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport |
doInitBody, doStartTag, getBodyContent, getPreviousOut, setBodyContent |
Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait |
Methods inherited from interface javax.servlet.jsp.tagext.Tag |
getParent, setPageContext, setParent |
page
private java.lang.String page
html
private java.lang.String html
params
private java.util.Vector params
MenuItemTag
public MenuItemTag()
setPage
public void setPage(java.lang.String page)
- Sets the page attribute.
- Parameters:
page
- the page URI value
doAfterBody
public int doAfterBody()
- Sets the html attribute.
- Overrides:
doAfterBody
in class javax.servlet.jsp.tagext.BodyTagSupport
- Parameters:
html
- the HTML to use for the item
setParam
public void setParam(java.lang.String name,
java.lang.String value)
- Adds a parameter name and value. This method is called by param
tags in the action body.
- Specified by:
setParam
in interface ParamParent
- Parameters:
name
- the parameter namevalue
- the URL encoded parameter value
doEndTag
public int doEndTag()
throws javax.servlet.jsp.JspException
- Writes the HTML to the current output, enclosed in an
HTML reference element (...) if the page attribute
doesn't correspond to the current page. If a reference
is used, appends possible URL encoded parameters to the main URL,
encodes the result for URL rewriting and writes the result
to the JspWriter.
- Overrides:
doEndTag
in class javax.servlet.jsp.tagext.BodyTagSupport
release
public void release()
- Releases all instance variables.
- Overrides:
release
in class javax.servlet.jsp.tagext.BodyTagSupport
toContextRelative
private java.lang.String toContextRelative(java.lang.String relURI,
java.lang.String currURI)
throws javax.servlet.jsp.JspException
- Returns a page-relative or context-relative path URI as
a context-relative URI.
- Parameters:
relURI
- the page or context-relative URIcurrURI
- the context-relative URI for the current request- Throws:
javax.servlet.jsp.JspException
- if the relURI is invalid