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java.lang.Object javax.servlet.jsp.tagext.TagSupport org.springframework.web.servlet.tags.RequestContextAwareTag org.springframework.web.servlet.tags.HtmlEscapingAwareTag org.springframework.web.servlet.tags.MessageTag
Custom JSP tag to look up a message in the scope of this page. Messages are looked up using the ApplicationContext, and thus should support internationalization.
Regards a HTML escaping setting, either on this tag instance, the page level, or the web.xml level. Can also apply JavaScript escaping.
If "code" isn't set or cannot be resolved, "text" will be used as default message. Thus, this tag can also be used for HTML escaping of any texts.
setCode(java.lang.String)
,
setText(java.lang.String)
,
HtmlEscapingAwareTag.setHtmlEscape(java.lang.String)
,
setJavaScriptEscape(java.lang.String)
,
HtmlEscapeTag.setDefaultHtmlEscape(java.lang.String)
,
WebUtils.HTML_ESCAPE_CONTEXT_PARAM
,
Serialized FormField Summary |
Fields inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag |
logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE |
Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
id, pageContext |
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag |
EVAL_BODY_AGAIN |
Fields inherited from interface javax.servlet.jsp.tagext.Tag |
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Constructor Summary | |
MessageTag()
|
Method Summary | |
protected int |
doStartTagInternal()
Called by doStartTag to perform the actual work. |
protected MessageSource |
getMessageSource()
Use the application context itself for default message resolution. |
protected java.lang.String |
getNoSuchMessageExceptionDescription(NoSuchMessageException ex)
Return default exception message. |
void |
setArguments(java.lang.Object arguments)
Set optional message arguments for this tag, as a comma-delimited String (each String argument can contain JSP EL), an Object array (used as argument array), or a single Object (used as single argument). |
void |
setCode(java.lang.String code)
Set the message code for this tag. |
void |
setJavaScriptEscape(java.lang.String javaScriptEscape)
Set JavaScript escaping for this tag, as boolean value. |
void |
setScope(java.lang.String scope)
Set the scope to export the variable to. |
void |
setText(java.lang.String text)
Set the message text for this tag. |
void |
setVar(java.lang.String var)
Set PageContext attribute name under which to expose a variable that contains the resolved message. |
protected void |
writeMessage(java.lang.String msg)
Write the message to the page. |
Methods inherited from class org.springframework.web.servlet.tags.HtmlEscapingAwareTag |
isHtmlEscape, setHtmlEscape |
Methods inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag |
doCatch, doFinally, doStartTag, getRequestContext |
Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public MessageTag()
Method Detail |
public void setCode(java.lang.String code)
public void setArguments(java.lang.Object arguments)
public void setText(java.lang.String text)
public void setVar(java.lang.String var)
setScope(java.lang.String)
,
PageContext.setAttribute(java.lang.String, java.lang.Object)
public void setScope(java.lang.String scope)
setVar(java.lang.String)
,
TagUtils.SCOPE_PAGE
,
PageContext.setAttribute(java.lang.String, java.lang.Object)
public void setJavaScriptEscape(java.lang.String javaScriptEscape) throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
protected final int doStartTagInternal() throws javax.servlet.jsp.JspException, java.io.IOException
RequestContextAwareTag
doStartTagInternal
in class RequestContextAwareTag
javax.servlet.jsp.JspException
java.io.IOException
TagSupport.doStartTag()
protected void writeMessage(java.lang.String msg) throws java.io.IOException
Can be overridden in subclasses, e.g. for testing purposes.
msg
- the message to write
java.io.IOException
- if writing failedprotected MessageSource getMessageSource()
protected java.lang.String getNoSuchMessageExceptionDescription(NoSuchMessageException ex)
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