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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.beans.propertyeditors

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

java.beans .PropertyEditorSupport

org.springframework.beans.propertyeditors .CustomNumberEditor

CustomNumberEditor

public class CustomNumberEditor extends PropertyEditorSupport (Code)

Property editor for any Number subclass like Integer, Long, Float, Double. Can use a given NumberFormat for (locale-specific) parsing and rendering, or alternatively the default valueOf respectively toString methods.

This is not meant to be used as system PropertyEditor but rather as locale-specific number editor within custom controller code, to parse user-entered number strings into Number properties of beans, and render them in the UI form.

In web MVC code, this editor will typically be registered with binder.registerCustomEditor calls in an implementation of BaseCommandController's initBinder method.
author:
   Juergen Hoeller
since:
   06.06.2003
See Also:   java.lang.Number
See Also:   java.text.NumberFormat
See Also:   org.springframework.validation.DataBinder.registerCustomEditor
See Also:   org.springframework.web.servlet.mvc.BaseCommandController.initBinder

Constructor Summary
public	CustomNumberEditor(Class numberClass, boolean allowEmpty) Create a new CustomNumberEditor instance, using the default `valueOf` methods for parsing and `toString` methods for rendering. The "allowEmpty" parameter states if an empty String should be allowed for parsing, i.e.
public	CustomNumberEditor(Class numberClass, NumberFormat numberFormat, boolean allowEmpty) Create a new CustomNumberEditor instance, using the given NumberFormat for parsing and rendering. The allowEmpty parameter states if an empty String should be allowed for parsing, i.e.

Method Summary
public String	getAsText() Format the Number as String, using the specified NumberFormat.
public void	setAsText(String text) Parse the Number from the given text, using the specified NumberFormat.
public void	setValue(Object value) Coerce a Number value into the required target class, if necessary.

Constructor Detail

CustomNumberEditor
public CustomNumberEditor(Class numberClass, boolean allowEmpty) throws IllegalArgumentException(Code)
	Create a new CustomNumberEditor instance, using the default `valueOf` methods for parsing and `toString` methods for rendering. The "allowEmpty" parameter states if an empty String should be allowed for parsing, i.e. get interpreted as `null` value. Else, an IllegalArgumentException gets thrown in that case. Parameters: numberClass - Number subclass to generate Parameters: allowEmpty - if empty strings should be allowed throws: IllegalArgumentException - if an invalid numberClass has been specified See Also: org.springframework.util.NumberUtils.parseNumber(StringClass) See Also: Integer.valueOf See Also: Integer.toString

CustomNumberEditor
public CustomNumberEditor(Class numberClass, NumberFormat numberFormat, boolean allowEmpty) throws IllegalArgumentException(Code)
	Create a new CustomNumberEditor instance, using the given NumberFormat for parsing and rendering. The allowEmpty parameter states if an empty String should be allowed for parsing, i.e. get interpreted as `null` value. Else, an IllegalArgumentException gets thrown in that case. Parameters: numberClass - Number subclass to generate Parameters: numberFormat - NumberFormat to use for parsing and rendering Parameters: allowEmpty - if empty strings should be allowed throws: IllegalArgumentException - if an invalid numberClass has been specified See Also: org.springframework.util.NumberUtils.parseNumber(StringClassjava.text.NumberFormat) See Also: java.text.NumberFormat.parse See Also: java.text.NumberFormat.format

Method Detail

getAsText
public String getAsText()(Code)
	Format the Number as String, using the specified NumberFormat.

setAsText
public void setAsText(String text) throws IllegalArgumentException(Code)
	Parse the Number from the given text, using the specified NumberFormat.

setValue
public void setValue(Object value)(Code)
	Coerce a Number value into the required target class, if necessary.

Methods inherited from java.beans.PropertyEditorSupport

public synchronized void addPropertyChangeListener(PropertyChangeListener listener)(Code)(Java Doc)
public void firePropertyChange()(Code)(Java Doc)
public String getAsText()(Code)(Java Doc)
public java.awt.Component getCustomEditor()(Code)(Java Doc)
public String getJavaInitializationString()(Code)(Java Doc)
public Object getSource()(Code)(Java Doc)
public String[] getTags()(Code)(Java Doc)
public Object getValue()(Code)(Java Doc)
public boolean isPaintable()(Code)(Java Doc)
public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box)(Code)(Java Doc)
public synchronized void removePropertyChangeListener(PropertyChangeListener listener)(Code)(Java Doc)
public void setAsText(String text) throws java.lang.IllegalArgumentException(Code)(Java Doc)
public void setSource(Object source)(Code)(Java Doc)
public void setValue(Object value)(Code)(Java Doc)
public boolean supportsCustomEditor()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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