org.apache.taglibs.standard.tag.el.sql

Class QueryTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

javax.servlet.jsp.tagext.BodyTagSupport

org.apache.taglibs.standard.tag.common.sql.QueryTagSupport

org.apache.taglibs.standard.tag.el.sql.QueryTag

All Implemented Interfaces:

Serializable, SQLExecutionTag, BodyTag, IterationTag, JspTag, Tag, TryCatchFinally

public class QueryTag
extends QueryTagSupport

Subclass for the JSTL library with EL support.

Author:

Hans Bergsten, Justyna Horwat

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.taglibs.standard.tag.common.sql.QueryTagSupport

dataSourceSpecified, maxRows, maxRowsSpecified, rawDataSource, sql, startRow

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

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

Constructors

Constructor and Description
QueryTag() Constructs a new QueryTag.

Method Summary

Methods

Modifier and Type	Method and Description
int	doStartTag() Prepares for execution by setting the initial state, such as getting the Connection
void	setDataSource(String dataSourceEL)
void	setMaxRows(String maxRowsEL) Query result can be limited by specifying the maximum number of rows returned.
void	setSql(String sqlEL) Setter method for the SQL statement to use for the query.
void	setStartRow(String startRowEL) The index of the first row returned can be specified using startRow.

Methods inherited from class org.apache.taglibs.standard.tag.common.sql.QueryTagSupport

addSQLParameter, doCatch, doEndTag, doFinally, setScope, setVar

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody, doInitBody, getBodyContent, getPreviousOut, release, 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, toString, wait, wait, wait

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setPageContext, setParent

Constructor Detail

QueryTag

public QueryTag()

Constructs a new QueryTag. As with TagSupport, subclasses should not provide other constructors and are expected to call the superclass constructor

Method Detail

setDataSource

public void setDataSource(String dataSourceEL)

setStartRow

public void setStartRow(String startRowEL)

The index of the first row returned can be specified using startRow.

setMaxRows

public void setMaxRows(String maxRowsEL)

Query result can be limited by specifying the maximum number of rows returned.

setSql

public void setSql(String sqlEL)

Setter method for 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.

doStartTag

public int doStartTag()
               throws JspException

Description copied from class: QueryTagSupport

Prepares for execution by setting the initial state, such as getting the Connection

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class QueryTagSupport

Returns:

EVAL_BODY_BUFFERED

Throws:

JspException - if an error occurred while processing this tag

See Also:

Tag.doStartTag()