1 /*
   2  * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.xml.stream.events;
  27 
  28 /**
  29  * This describes the interface to Characters events.
  30  * All text events get reported as Characters events.
  31  * Content, CData and whitespace are all reported as
  32  * Characters events.  IgnorableWhitespace, in most cases,
  33  * will be set to false unless an element declaration of element
  34  * content is present for the current element.
  35  *
  36  * @version 1.0
  37  * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
  38  * @since 1.6
  39  */
  40 public interface Characters extends XMLEvent {
  41   /**
  42    * Get the character data of this event
  43    * @return the character data
  44    */
  45   public String getData();
  46 
  47   /**
  48    * Returns true if this set of Characters
  49    * is all whitespace.  Whitespace inside a document
  50    * is reported as CHARACTERS.  This method allows
  51    * checking of CHARACTERS events to see if they
  52    * are composed of only whitespace characters
  53    * @return true if the {@code Characters} are all whitespace, false otherwise
  54    */
  55   public boolean isWhiteSpace();
  56 
  57   /**
  58    * Returns true if this is a CData section.  If this
  59    * event is CData its event type will be CDATA
  60    *
  61    * If javax.xml.stream.isCoalescing is set to true CDATA Sections
  62    * that are surrounded by non CDATA characters will be reported
  63    * as a single Characters event. This method will return false
  64    * in this case.
  65    * @return true if it is {@code CDATA}, false otherwise
  66    */
  67   public boolean isCData();
  68 
  69   /**
  70    * Return true if this is ignorableWhiteSpace.  If
  71    * this event is ignorableWhiteSpace its event type will
  72    * be SPACE.
  73    * @return true if it is ignorable whitespace, false otherwise
  74    */
  75   public boolean isIgnorableWhiteSpace();
  76 
  77 }