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StringTrimmerEditor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.propertyeditors
Class StringTrimmerEditor

java.lang.Object
  java.beans.PropertyEditorSupport
      org.springframework.beans.propertyeditors.StringTrimmerEditor

All Implemented Interfaces:

PropertyEditor

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public class StringTrimmerEditor
extends PropertyEditorSupport

Property editor that trims Strings.

Optionally allows transforming an empty string into a null value. Needs to be explictly registered, e.g. for command binding.

Author:

Juergen Hoeller

See Also:

DataBinder.registerCustomEditor(java.lang.Class, java.beans.PropertyEditor), BaseCommandController.initBinder(javax.servlet.http.HttpServletRequest, org.springframework.web.bind.ServletRequestDataBinder)

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Constructor Summary
StringTrimmerEditor(boolean emptyAsNull)           Create a new StringTrimmerEditor instance.
StringTrimmerEditor(String charsToDelete, boolean emptyAsNull)           Create a new StringTrimmerEditor instance.

 

Method Summary
String	getAsText()
void	setAsText(String text)

 

Methods inherited from class java.beans.PropertyEditorSupport
addPropertyChangeListener, firePropertyChange, getCustomEditor, getJavaInitializationString, getSource, getTags, getValue, isPaintable, paintValue, removePropertyChangeListener, setSource, setValue, supportsCustomEditor

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

StringTrimmerEditor

public StringTrimmerEditor(boolean emptyAsNull)

Create a new StringTrimmerEditor instance.

Parameters:

emptyAsNull - true if an empty string is to be transformed into null

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StringTrimmerEditor

public StringTrimmerEditor(String charsToDelete,
                           boolean emptyAsNull)

Create a new StringTrimmerEditor instance.

Parameters:

charsToDelete - a set of characters to delete, in addition to trimming an input String. Useful for deleting unwanted line breaks. E.g. "\r\n\f" will delete all new lines and line feeds in a String.

emptyAsNull - true if an empty string is to be transformed into null

Method Detail

setAsText

public void setAsText(String text)

Specified by:

setAsText in interface PropertyEditor

Overrides:

setAsText in class PropertyEditorSupport

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getAsText

public String getAsText()

Specified by:

getAsText in interface PropertyEditor

Overrides:

getAsText in class PropertyEditorSupport

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