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

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

All Implemented Interfaces:

TypeHandler

Direct Known Subclasses:

XmlHandler

public class StringHandler

extends AbstractTypeHandler

A TypeHandler for strings, textareas and text-input. Search values are SQL escaped.

Since:

MMBase-1.6

Version:

$Id: StringHandler.java,v 1.58 2006/07/09 13:48:06 michiel Exp $

Author:

Gerard van de Looi, Michiel Meeuwissen

Field Summary

Fields inherited from class org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler

eh, gotEnumHandler, tag

Constructor Summary

StringHandler(FieldInfoTag tag)
Constructor for StringHandler.

Method Summary

protected Object	getFieldValue(Field field) Returns the field value as specified by the client's post.
protected int	getOperator() The operator to be used by whereHtmlInput(field, query)
protected String	getSearchValue(String string) Converts the value to the actual value to be searched.
String	htmlInput(Node node, Field field, boolean search) Produces an form input field for the given Node, and Field.
protected boolean	interpretEmptyAsNull(Field field)
boolean	useHtmlInput(Node node, Field field) returns true if setValue happened.
String	whereHtmlInput(Field field)
Constraint	whereHtmlInput(Field field, Query query) Adds search constraint to Query object.

Methods inherited from class org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler

addExtraAttributes, cast, checkHtmlInput, findString, getClasses, getEnumHandler, getFieldValue, init, paramHtmlInput, prefix, prefixError, prefixID

Methods inherited from class java.lang.Object

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

Constructor Detail

StringHandler

public StringHandler(FieldInfoTag tag)

Constructor for StringHandler.

Method Detail

htmlInput

public String htmlInput(Node node,
                        Field field,
                        boolean search)
                 throws JspTagException

Description copied from interface: TypeHandler

Produces an form input field for the given Node, and Field.

Specified by:

htmlInput in interface TypeHandler

Overrides:

htmlInput in class AbstractTypeHandler

Throws:

JspTagException

See Also:

TypeHandler.htmlInput(Node, Field, boolean)

useHtmlInput

public boolean useHtmlInput(Node node,
                            Field field)
                     throws JspTagException

Description copied from interface: TypeHandler

returns true if setValue happened.

Specified by:

useHtmlInput in interface TypeHandler

Overrides:

useHtmlInput in class AbstractTypeHandler

Throws:

JspTagException

See Also:

TypeHandler.useHtmlInput(Node, Field)

getFieldValue

protected Object getFieldValue(Field field)
                        throws JspTagException

Description copied from class: AbstractTypeHandler

Returns the field value as specified by the client's post.

Overrides:

getFieldValue in class AbstractTypeHandler

Throws:

JspTagException

interpretEmptyAsNull

protected boolean interpretEmptyAsNull(Field field)

Overrides:

interpretEmptyAsNull in class AbstractTypeHandler

whereHtmlInput

public String whereHtmlInput(Field field)
                      throws JspTagException

Specified by:

whereHtmlInput in interface TypeHandler

Overrides:

whereHtmlInput in class AbstractTypeHandler

Throws:

JspTagException

See Also:

TypeHandler.whereHtmlInput(Field)

getOperator

protected int getOperator()

Description copied from class: AbstractTypeHandler

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

Overrides:

getOperator in class AbstractTypeHandler

getSearchValue

protected String getSearchValue(String string)

Description copied from class: AbstractTypeHandler

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

Overrides:

getSearchValue in class AbstractTypeHandler

whereHtmlInput

public Constraint whereHtmlInput(Field field,
                                 Query query)
                          throws JspTagException

Description copied from class: AbstractTypeHandler

Adds search constraint to Query object.

Specified by:

whereHtmlInput in interface TypeHandler

Overrides:

whereHtmlInput in class AbstractTypeHandler

Returns:

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

Throws:

JspTagException