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CustomBooleanEditor (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.beans.propertyeditors
Class CustomBooleanEditor

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

All Implemented Interfaces:

PropertyEditor

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public class CustomBooleanEditor
extends PropertyEditorSupport

Property editor for Boolean/boolean properties.

This is not meant to be used as system PropertyEditor but rather as locale-specific Boolean editor within custom controller code, to parse UI-caused boolean strings into boolean properties of beans and check 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.

Since:

10.06.2003

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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Field Summary
static String	VALUE_0
static String	VALUE_1
static String	VALUE_FALSE
static String	VALUE_NO
static String	VALUE_OFF
static String	VALUE_ON
static String	VALUE_TRUE
static String	VALUE_YES

 

Constructor Summary
CustomBooleanEditor(boolean allowEmpty)           Create a new CustomBooleanEditor instance, with "true"/"on"/"yes" and "false"/"off"/"no" as recognized String values.
CustomBooleanEditor(String trueString, String falseString, boolean allowEmpty)           Create a new CustomBooleanEditor instance, with configurable String values for true and false.

 

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

 

Field Detail

VALUE_TRUE

public static final String VALUE_TRUE

See Also:

Constant Field Values

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VALUE_FALSE

public static final String VALUE_FALSE

See Also:

Constant Field Values

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VALUE_ON

public static final String VALUE_ON

See Also:

Constant Field Values

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VALUE_OFF

public static final String VALUE_OFF

See Also:

Constant Field Values

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VALUE_YES

public static final String VALUE_YES

See Also:

Constant Field Values

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VALUE_NO

public static final String VALUE_NO

See Also:

Constant Field Values

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VALUE_1

public static final String VALUE_1

See Also:

Constant Field Values

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VALUE_0

public static final String VALUE_0

See Also:

Constant Field Values

Constructor Detail

CustomBooleanEditor

public CustomBooleanEditor(boolean allowEmpty)

Create a new CustomBooleanEditor instance, with "true"/"on"/"yes" and "false"/"off"/"no" as recognized String values.

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:

allowEmpty - if empty strings should be allowed

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CustomBooleanEditor

public CustomBooleanEditor(String trueString,
                           String falseString,
                           boolean allowEmpty)

Create a new CustomBooleanEditor instance, with configurable String values for true and false.

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:

trueString - the String value that represents true: for example, "true" (VALUE_TRUE), "on" (VALUE_ON), "yes" (VALUE_YES) or some custom value

falseString - the String value that represents false: for example, "false" (VALUE_FALSE), "off" (VALUE_OFF), "no" (VALUE_NO) or some custom value

allowEmpty - if empty strings should be allowed

See Also:

VALUE_TRUE, VALUE_FALSE, VALUE_ON, VALUE_OFF, VALUE_YES, VALUE_NO

Method Detail

setAsText

public void setAsText(String text)
               throws IllegalArgumentException

Specified by:

setAsText in interface PropertyEditor

Overrides:

setAsText in class PropertyEditorSupport

Throws:

IllegalArgumentException

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getAsText

public String getAsText()

Specified by:

getAsText in interface PropertyEditor

Overrides:

getAsText in class PropertyEditorSupport

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