public abstract class UpdateTagSupport extends javax.servlet.jsp.tagext.BodyTagSupport implements javax.servlet.jsp.tagext.TryCatchFinally, SQLExecutionTag
Tag handler for <Update> in JSTL.
| Modifier and Type | Field and Description |
|---|---|
protected boolean |
dataSourceSpecified |
protected Object |
rawDataSource |
protected String |
sql |
| Constructor and Description |
|---|
UpdateTagSupport() |
| Modifier and Type | Method and Description |
|---|---|
void |
addSQLParameter(Object o)
Called by nested parameter elements to add PreparedStatement
parameter values.
|
void |
doCatch(Throwable t)
Just rethrows the Throwable.
|
int |
doEndTag()
Execute the SQL statement, set either through the
sql
attribute or as the body, and save the result as a variable
named by the var attribute in the scope specified
by the scope attribute, as an object that implements
the Result interface. |
void |
doFinally()
Close the
Connection, unless this action is used
as part of a transaction. |
int |
doStartTag()
Prepares for execution by setting the initial state, such as
getting the
Connection |
void |
setScope(String scopeName)
Setter method for the scope of the variable to hold the
result.
|
void |
setVar(String var)
Setter method for the name of the variable to hold the
result.
|
doAfterBody, doInitBody, getBodyContent, getPreviousOut, release, setBodyContentfindAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValueprotected Object rawDataSource
protected boolean dataSourceSpecified
protected String sql
public void setVar(String var)
public void setScope(String scopeName)
public int doStartTag()
throws javax.servlet.jsp.JspException
ConnectiondoStartTag in interface javax.servlet.jsp.tagext.TagdoStartTag in class javax.servlet.jsp.tagext.BodyTagSupportjavax.servlet.jsp.JspExceptionpublic int doEndTag()
throws javax.servlet.jsp.JspException
Execute the SQL statement, set either through the sql
attribute or as the body, and save the result as a variable
named by the var attribute in the scope specified
by the scope attribute, as an object that implements
the Result interface.
The connection used to execute the statement comes either
from the DataSource specified by the
dataSource attribute, provided by a parent action
element, or is retrieved from a JSP scope attribute
named javax.servlet.jsp.jstl.sql.dataSource.
doEndTag in interface javax.servlet.jsp.tagext.TagdoEndTag in class javax.servlet.jsp.tagext.BodyTagSupportjavax.servlet.jsp.JspExceptionpublic void doCatch(Throwable t) throws Throwable
doCatch in interface javax.servlet.jsp.tagext.TryCatchFinallyThrowablepublic void doFinally()
Connection, unless this action is used
as part of a transaction.doFinally in interface javax.servlet.jsp.tagext.TryCatchFinallypublic void addSQLParameter(Object o)
addSQLParameter in interface SQLExecutionTago - the PreparedStatement parameter valueCopyright © 2017 JBoss, a division of Red Hat, Inc.. All Rights Reserved.