1 /*
   2  * Copyright (c) 2014, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package javax.xml.transform;
  25 
  26 import javax.xml.namespace.NamespaceContext;
  27 import javax.xml.stream.XMLEventReader;
  28 import javax.xml.stream.XMLEventWriter;
  29 import javax.xml.stream.XMLStreamConstants;
  30 import javax.xml.stream.XMLStreamException;
  31 import javax.xml.stream.events.StartDocument;
  32 import javax.xml.stream.events.XMLEvent;
  33 
  34 public class VersionEventWriter implements XMLEventWriter {
  35 
  36     private String version = null;
  37 
  38     private String encoding = null;
  39 
  40     /** Creates a new instance of VersionEventWriter */
  41     public VersionEventWriter() {
  42     }
  43 
  44     public void add(XMLEvent event) throws XMLStreamException {
  45         if (event.getEventType() == XMLStreamConstants.START_DOCUMENT) {
  46             version = ((StartDocument) event).getVersion();
  47             encoding = ((StartDocument) event).getCharacterEncodingScheme();
  48         }
  49     }
  50 
  51     public void flush() throws XMLStreamException {
  52     }
  53 
  54     public void close() throws XMLStreamException {
  55     }
  56 
  57     public void add(XMLEventReader reader) throws XMLStreamException {
  58     }
  59 
  60     public java.lang.String getPrefix(java.lang.String uri) throws XMLStreamException {
  61         return null;
  62     }
  63 
  64     public void setPrefix(java.lang.String prefix, java.lang.String uri) throws XMLStreamException {
  65     }
  66 
  67     public void setDefaultNamespace(java.lang.String uri) throws XMLStreamException {
  68     }
  69 
  70     public void setNamespaceContext(NamespaceContext context) throws XMLStreamException {
  71     }
  72 
  73     public NamespaceContext getNamespaceContext() {
  74         return null;
  75     }
  76 
  77     public String getVersion() {
  78         return version;
  79     }
  80 
  81     public String getEncoding() {
  82         return encoding;
  83     }
  84 }