org.apache.commons.jelly.tags.sql
Class SqlTagSupport

java.lang.Object
  org.apache.commons.jelly.TagSupport
      org.apache.commons.jelly.tags.sql.SqlTagSupport

All Implemented Interfaces:

javax.servlet.jsp.jstl.sql.SQLExecutionTag, org.apache.commons.jelly.Tag

Direct Known Subclasses:

QueryTag, UpdateTag

public abstract class SqlTagSupport

extends org.apache.commons.jelly.TagSupport

implements javax.servlet.jsp.jstl.sql.SQLExecutionTag

Abstract base class for any SQL related tag in JSTL.

Author:

Hans Bergsten, Justyna Horwat, James Strachan

Field Summary

protected boolean	dataSourceSpecified
protected boolean	isPartOfTransaction
protected java.lang.Object	rawDataSource
protected java.lang.String	scope
protected java.lang.String	sql
protected java.lang.String	var

Fields inherited from class org.apache.commons.jelly.TagSupport

body, context, hasTrimmed, parent, shouldTrim

Constructor Summary

SqlTagSupport()

Method Summary

void	addSQLParameter(java.lang.Object o) Called by nested parameter elements to add PreparedStatement parameter values.
protected void	clearParameters()
protected java.sql.Connection	getConnection()
protected boolean	hasParameters()
void	setDataSource(java.lang.Object dataSource) Sets the SQL DataSource.
protected void	setParameters(java.sql.PreparedStatement ps)
void	setScope(java.lang.String scopeName) Sets the scope of the variable to hold the result.
void	setSql(java.lang.String sql) Sets the SQL statement to use for the query.
void	setVar(java.lang.String var) Sets the name of the variable to hold the result.

Methods inherited from class org.apache.commons.jelly.TagSupport

findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, getBody, getBodyText, getBodyText, getContext, getParent, invokeBody, isEscapeText, isTrim, setBody, setContext, setEscapeText, setParent, setTrim, trimBody

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.commons.jelly.Tag

doTag

Field Detail

var

protected java.lang.String var

scope

protected java.lang.String scope

rawDataSource

protected java.lang.Object rawDataSource

dataSourceSpecified

protected boolean dataSourceSpecified

sql

protected java.lang.String sql

isPartOfTransaction

protected boolean isPartOfTransaction

Constructor Detail

SqlTagSupport

public SqlTagSupport()

Method Detail

setVar

public void setVar(java.lang.String var)

Sets the name of the variable to hold the result.

setScope

public void setScope(java.lang.String scopeName)

Sets the scope of the variable to hold the result.

setDataSource

public void setDataSource(java.lang.Object dataSource)

Sets the SQL DataSource. DataSource can be a String or a DataSource object.

setSql

public void setSql(java.lang.String sql)

Sets the SQL statement to use for the query. The statement may contain parameter markers (question marks, ?). If so, the parameter values must be set using nested value elements.

addSQLParameter

public void addSQLParameter(java.lang.Object o)

Called by nested parameter elements to add PreparedStatement parameter values.

Specified by:

addSQLParameter in interface javax.servlet.jsp.jstl.sql.SQLExecutionTag

hasParameters

protected boolean hasParameters()

Returns:

true if there are SQL parameters

clearParameters

protected void clearParameters()

getConnection

protected java.sql.Connection getConnection()
                                     throws org.apache.commons.jelly.JellyTagException,
                                            java.sql.SQLException

Throws:

org.apache.commons.jelly.JellyTagException

java.sql.SQLException

setParameters

protected void setParameters(java.sql.PreparedStatement ps)
                      throws java.sql.SQLException

Throws:

java.sql.SQLException