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• Converter.java

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com.sencha.gxt.data.shared.Converter Maven / Gradle / Ivy

/**
 * Ext GWT 3.0.0-rc2 - Ext for GWT
 * Copyright(c) 2007-2012, Sencha, Inc.
 * [email protected]
 *
 * http://sencha.com/license
 */
package com.sencha.gxt.data.shared;

/**
 * Converts back and forth between model and field values
 * 
 * @param  the model value type
 * @param  the field value type
 */
public interface Converter {

  /**
   * Converts the value in the field to a value that can be stored in the model
   * 
   * @param object the value displayed in the field/cell
   * @return a value to be placed in the model
   */
  N convertFieldValue(O object);

  /**
   * Converts the value from the model to something that can be displayed and
   * edited by the user
   * 
   * @param object the value in the model object
   * @return a value to be rendered or edited in a cell or field
   */
  O convertModelValue(N object);
}