org.mmbase.bridge.jsp.taglib.typehandler
Class AbstractTypeHandler

java.lang.Object
  org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler

All Implemented Interfaces:

TypeHandler

Direct Known Subclasses:

ByteHandler, DateHandler, DefaultTypeHandler, DoubleHandler, DurationHandler, EnumHandler, FloatHandler, IntegerHandler, LongHandler, NodeHandler, StringHandler

public abstract class AbstractTypeHandler

extends java.lang.Object

implements TypeHandler

Since:

MMBase-1.6

Version:

$Id: AbstractTypeHandler.java,v 1.25.2.1 2004/04/23 13:38:07 michiel Exp $

Author:

Gerard van de Looi, Michiel Meeuwissen

Warning: No Java Documentation Available.

Field Summary

protected FieldInfoTag

tag

Constructor Summary

AbstractTypeHandler(FieldInfoTag tag)
Constructor for AbstractTypeHandler.

Method Summary

protected java.lang.StringBuffer	addExtraAttributes(java.lang.StringBuffer buf)
protected java.lang.String	findString(Field field)
protected int	getOperator() The operator to be used by whereHtmlInput(field, query)
protected java.lang.String	getSearchValue(java.lang.String string) Converts the value to the actual value to be searched.
java.lang.String	htmlInput(Node node, Field field, boolean search)
void	paramHtmlInput(ParamHandler handler, Field field)
protected java.lang.String	prefix(java.lang.String s) Puts a prefix before a name.
boolean	useHtmlInput(Node node, Field field) returns true if setValue happened.
java.lang.String	whereHtmlInput(Field field)
Constraint	whereHtmlInput(Field field, Query query) Adds search constraint to Query object.

Methods inherited from class java.lang.Object

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

Field Detail

tag

protected FieldInfoTag tag

Constructor Detail

AbstractTypeHandler

public AbstractTypeHandler(FieldInfoTag tag)

Constructor for AbstractTypeHandler.

Method Detail

addExtraAttributes

protected java.lang.StringBuffer addExtraAttributes(java.lang.StringBuffer buf)
                                             throws javax.servlet.jsp.JspTagException

Throws:

javax.servlet.jsp.JspTagException

htmlInput

public java.lang.String htmlInput(Node node,
                                  Field field,
                                  boolean search)
                           throws javax.servlet.jsp.JspTagException

Specified by:

htmlInput in interface TypeHandler

Throws:

javax.servlet.jsp.JspTagException

See Also:

TypeHandler.htmlInput(Node, Field, boolean)

useHtmlInput

public boolean useHtmlInput(Node node,
                            Field field)
                     throws javax.servlet.jsp.JspTagException

Description copied from interface: TypeHandler

returns true if setValue happened.

Specified by:

useHtmlInput in interface TypeHandler

Throws:

javax.servlet.jsp.JspTagException

See Also:

TypeHandler.useHtmlInput(Node, Field)

whereHtmlInput

public java.lang.String whereHtmlInput(Field field)
                                throws javax.servlet.jsp.JspTagException

Specified by:

whereHtmlInput in interface TypeHandler

Returns:

Piece of SQL. null if no constraint.

Throws:

javax.servlet.jsp.JspTagException

See Also:

TypeHandler.whereHtmlInput(Field)

getOperator

protected int getOperator()

The operator to be used by whereHtmlInput(field, query)

Since:

MMBase-1.7

getSearchValue

protected java.lang.String getSearchValue(java.lang.String string)

Converts the value to the actual value to be searched. (mainly targeted at StringHandler).

Since:

MMBase-1.7

findString

protected final java.lang.String findString(Field field)
                                     throws javax.servlet.jsp.JspTagException

Throws:

javax.servlet.jsp.JspTagException

Since:

MMBase-1.7

paramHtmlInput

public void paramHtmlInput(ParamHandler handler,
                           Field field)
                    throws javax.servlet.jsp.JspTagException

Specified by:

paramHtmlInput in interface TypeHandler

Throws:

javax.servlet.jsp.JspTagException

whereHtmlInput

public Constraint whereHtmlInput(Field field,
                                 Query query)
                          throws javax.servlet.jsp.JspTagException

Adds search constraint to Query object.

Specified by:

whereHtmlInput in interface TypeHandler

Returns:

null if nothing to be searched, the constraint if constraint added

Throws:

javax.servlet.jsp.JspTagException

prefix

protected java.lang.String prefix(java.lang.String s)
                           throws javax.servlet.jsp.JspTagException

Puts a prefix before a name. This is used in htmlInput and useHtmlInput, they need it to get a reasonably unique value for the name attribute of form elements.

Throws:

javax.servlet.jsp.JspTagException