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Java Source Code / Java Documentation » EJB Server GlassFish » appserv jstl » org.apache.taglibs.standard.tag.common.sql

Source Cross Reference Class Diagram Java Document (Java Doc)

javax.servlet.jsp.tagext .BodyTagSupport

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

All known Subclasses:   org.apache.taglibs.standard.tag.rt.sql .QueryTag,  org.apache.taglibs.standard.tag.el.sql .QueryTag,
QueryTagSupport
abstract public class QueryTagSupport extends BodyTagSupport implements TryCatchFinally,SQLExecutionTag(Code)

Tag handler for <Query> in JSTL.
author:
   Hans Bergsten
author:
   Justyna Horwat

Field Summary
protected boolean dataSourceSpecified

protected int maxRows

protected boolean maxRowsSpecified

protected Object rawDataSource

protected String sql

protected int startRow


Constructor Summary
public QueryTagSupport()


Method Summary
public void addSQLParameter(Object o)
     Called by nested parameter elements to add PreparedStatement parameter values.
public void doCatch(Throwable t)
     Just rethrows the Throwable.
public 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.
public void doFinally()
     Close the Connection, unless this action is used as part of a transaction.
public int doStartTag()

public void setScope(String scopeName)
     Setter method for the scope of the variable to hold the result.
public void setVar(String var)
     Setter method for the name of the variable to hold the result.

Field Detail
dataSourceSpecified
protected boolean dataSourceSpecified(Code)

maxRows
protected int maxRows(Code)

maxRowsSpecified
protected boolean maxRowsSpecified(Code)

rawDataSource
protected Object rawDataSource(Code)

sql
protected String sql(Code)

startRow
protected int startRow(Code)

Constructor Detail
QueryTagSupport
public QueryTagSupport()(Code)

Method Detail
addSQLParameter
public void addSQLParameter(Object o)(Code)
Called by nested parameter elements to add PreparedStatement parameter values.

doCatch
public void doCatch(Throwable t) throws Throwable(Code)
Just rethrows the Throwable.

doEndTag
public int doEndTag() throws JspException(Code)

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.jstl.sql.dataSource.

doFinally
public void doFinally()(Code)
Close the Connection, unless this action is used as part of a transaction.

doStartTag
public int doStartTag() throws JspException(Code)
Prepares for execution by setting the initial state, such as getting the Connection

setScope
public void setScope(String scopeName)(Code)
Setter method for the scope of the variable to hold the result.

setVar
public void setVar(String var)(Code)
Setter method for the name of the variable to hold the result.

Fields inherited from javax.servlet.jsp.tagext.BodyTagSupport
protected BodyContent bodyContent(Code)(Java Doc)

Methods inherited from javax.servlet.jsp.tagext.BodyTagSupport
public int doAfterBody() throws JspException(Code)(Java Doc)
public int doEndTag() throws JspException(Code)(Java Doc)
public void doInitBody() throws JspException(Code)(Java Doc)
public int doStartTag() throws JspException(Code)(Java Doc)
public BodyContent getBodyContent()(Code)(Java Doc)
public JspWriter getPreviousOut()(Code)(Java Doc)
public void release()(Code)(Java Doc)
public void setBodyContent(BodyContent b)(Code)(Java Doc)

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