org.apache.taglibs.dbtags.statement
Class StatementImplTag
java.lang.Object
javax.servlet.jsp.tagext.TagSupport
javax.servlet.jsp.tagext.BodyTagSupport
org.apache.taglibs.dbtags.statement.StatementImplTag
- All Implemented Interfaces:
- java.io.Serializable, javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.Tag, StatementTag
public class StatementImplTag
- extends javax.servlet.jsp.tagext.BodyTagSupport
- implements StatementTag
JSP tag statement. According to the TEI, the java.sql.Statement
object specified in the "id" attribute is available within the scope
of the statement tags.
JSP Tag Lib Descriptor
<name>statement</name>
<tagclass>org.apache.taglibs.dbtags.statement.StatementImplTag</tagclass>
<teiclass>org.apache.taglibs.dbtags.connection.StatementTEI</teiclass>
<bodycontent>JSP</bodycontent>
<info>JSP tag statement, uses the enclosed query and resultset/execute
tags to perform a database operation.</info>
<attribute>
<name>id</name>
<required>true</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
<attribute>
<name>conn</name>
<required>true</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
- Author:
- Morgan Delagrange
- See Also:
- Serialized Form
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 |
Method Summary |
protected java.sql.Statement |
createStatement(java.sql.Connection theConnection)
Let subclass redefine how to create the statement |
int |
doAfterBody()
|
int |
doEndTag()
|
int |
doStartTag()
|
java.sql.ResultSet |
executeQuery()
Execute a SQL select |
void |
executeUpdate()
Execute a SQL insert, update or delete. |
void |
release()
|
void |
setConn(java.lang.String connId)
The id of a page context attribute containing a java.sql.Connection |
void |
setQuery(java.lang.String query)
SQL query to be executed in the statement |
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport |
doInitBody, getBodyContent, getPreviousOut, 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 |
StatementImplTag
public StatementImplTag()
setQuery
public void setQuery(java.lang.String query)
- Description copied from interface:
StatementTag
- SQL query to be executed in the statement
- Specified by:
setQuery
in interface StatementTag
- Parameters:
query
- SQL query
setConn
public void setConn(java.lang.String connId)
- Description copied from interface:
StatementTag
- The id of a page context attribute containing a java.sql.Connection
- Specified by:
setConn
in interface StatementTag
- Parameters:
connId
- id of the Connection attribute- See Also:
ConnectionTag
executeUpdate
public void executeUpdate()
throws java.sql.SQLException
- Description copied from interface:
StatementTag
- Execute a SQL insert, update or delete.
- Specified by:
executeUpdate
in interface StatementTag
- Throws:
java.sql.SQLException
executeQuery
public java.sql.ResultSet executeQuery()
throws java.sql.SQLException
- Description copied from interface:
StatementTag
- Execute a SQL select
- Specified by:
executeQuery
in interface StatementTag
- Returns:
- Resultset based on the
query
- Throws:
java.sql.SQLException
doStartTag
public int doStartTag()
throws javax.servlet.jsp.JspTagException
- Specified by:
doStartTag
in interface javax.servlet.jsp.tagext.Tag
- Overrides:
doStartTag
in class javax.servlet.jsp.tagext.BodyTagSupport
- Throws:
javax.servlet.jsp.JspTagException
createStatement
protected java.sql.Statement createStatement(java.sql.Connection theConnection)
throws java.sql.SQLException
- Let subclass redefine how to create the statement
- Throws:
java.sql.SQLException
doAfterBody
public int doAfterBody()
throws javax.servlet.jsp.JspTagException
- Specified by:
doAfterBody
in interface javax.servlet.jsp.tagext.IterationTag
- Overrides:
doAfterBody
in class javax.servlet.jsp.tagext.BodyTagSupport
- Throws:
javax.servlet.jsp.JspTagException
doEndTag
public int doEndTag()
- Specified by:
doEndTag
in interface javax.servlet.jsp.tagext.Tag
- Overrides:
doEndTag
in class javax.servlet.jsp.tagext.BodyTagSupport
release
public void release()
- Specified by:
release
in interface javax.servlet.jsp.tagext.Tag
- Overrides:
release
in class javax.servlet.jsp.tagext.BodyTagSupport
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