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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.xml.client;

/**
 * This interface describes CharacterData XML nodes. These can be
 * either Text, CDATASection or
 * Comment nodes.
 */
public interface CharacterData extends Node {
  /**
   * This method appends data to the data in this
   * CharacterData.
   * 
   * @param appendedData the data to be appended to the end
   */
  void appendData(String appendedData);

  /**
   * This method deletes data, starting at offset, and deleting
   * count characters.
   * 
   * @param offset how far from the beginning to start deleting
   * @param count how many characters to delete
   */
  void deleteData(int offset, int count);

  /**
   * This method retrieves the data.
   * 
   * @return the data of this CharacterData
   */
  String getData();

  /**
   * This method retrieves the length of the data.
   * 
   * @return the length of the data contained in this CharacterData
   */
  int getLength();

  /**
   * This method inserts data at the specified offset.
   * 
   * @param offset how far from the beginning to start inserting
   * @param insertedData the data to be inserted
   */
  void insertData(int offset, String insertedData);

  /**
   * This method replaces the substring of data indicated by offset
   * and count with replacementData.
   * 
   * @param offset how far from the beginning to start the replacement
   * @param replacementData the data that will replace the deleted data
   * @param count how many characters to delete before inserting
   *          replacementData
   */
  void replaceData(int offset, int count, String replacementData);

  /**
   * This method sets the data to data.
   * 
   * @param data the new data
   */
  void setData(String data);

  /**
   * This method gets a substring of the character data.
   * 
   * @param offset the place to start the substring
   * @param count how many characters to return
   * @return the specified substring
   */
  String substringData(int offset, int count);

}