Source for gnu.xml.stream.StartDocumentImpl

   1: /* StartDocumentImpl.java --
   2:    Copyright (C) 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.xml.stream;
  39: 
  40: import java.io.IOException;
  41: import java.io.Writer;
  42: import javax.xml.stream.Location;
  43: import javax.xml.stream.XMLStreamException;
  44: import javax.xml.stream.events.StartDocument;
  45: 
  46: /**
  47:  * A start-document event.
  48:  *
  49:  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
  50:  */
  51: public class StartDocumentImpl
  52:   extends XMLEventImpl
  53:   implements StartDocument
  54: {
  55: 
  56:   protected final String systemId;
  57:   protected final String encoding;
  58:   protected final String xmlVersion;
  59:   protected final boolean xmlStandalone;
  60:   protected final boolean standaloneDeclared;
  61:   protected final boolean encodingDeclared;
  62: 
  63:   protected StartDocumentImpl(Location location,
  64:                               String systemId, String encoding,
  65:                               String xmlVersion, boolean xmlStandalone,
  66:                               boolean standaloneDeclared,
  67:                               boolean encodingDeclared)
  68:   {
  69:     super(location);
  70:     this.systemId = systemId;
  71:     this.encoding = encoding;
  72:     this.xmlVersion = xmlVersion;
  73:     this.xmlStandalone = xmlStandalone;
  74:     this.standaloneDeclared = standaloneDeclared;
  75:     this.encodingDeclared = encodingDeclared;
  76:   }
  77: 
  78:   public int getEventType()
  79:   {
  80:     return START_DOCUMENT;
  81:   }
  82: 
  83:   public String getSystemId()
  84:   {
  85:     return systemId;
  86:   }
  87: 
  88:   public String getCharacterEncodingScheme()
  89:   {
  90:     return encoding;
  91:   }
  92: 
  93:   public boolean encodingSet()
  94:   {
  95:     return encodingDeclared;
  96:   }
  97: 
  98:   public boolean isStandalone()
  99:   {
 100:     return xmlStandalone;
 101:   }
 102: 
 103:   public boolean standaloneSet()
 104:   {
 105:     return standaloneDeclared;
 106:   }
 107: 
 108:   public String getVersion()
 109:   {
 110:     return xmlVersion;
 111:   }
 112: 
 113:   public void writeAsEncodedUnicode(Writer writer)
 114:     throws XMLStreamException
 115:   {
 116:     try
 117:       {
 118:         writer.write("<?xml version='");
 119:         writer.write(xmlVersion);
 120:         writer.write('\'');
 121:         if (standaloneDeclared)
 122:           {
 123:             writer.write(" standalone='");
 124:             writer.write(xmlStandalone ? "yes" : "no");
 125:             writer.write('\'');
 126:           }
 127:         if (encodingDeclared)
 128:           {
 129:             writer.write(" encoding='");
 130:             writer.write(encoding);
 131:             writer.write('\'');
 132:           }
 133:         writer.write("?>");
 134:       }
 135:     catch (IOException e)
 136:       {
 137:         XMLStreamException e2 = new XMLStreamException(e.getMessage());
 138:         e2.initCause(e);
 139:         throw e2;
 140:       }
 141:   }
 142: 
 143: }