Source for gnu.xml.stream.NamespaceImpl

   1: /* NamespaceImpl.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.namespace.QName;
  43: import javax.xml.stream.Location;
  44: import javax.xml.stream.XMLStreamException;
  45: import javax.xml.stream.events.Namespace;
  46: 
  47: /**
  48:  * A namespace declaration event.
  49:  *
  50:  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
  51:  */
  52: public class NamespaceImpl
  53:   extends XMLEventImpl
  54:   implements Namespace
  55: {
  56: 
  57:   protected final String prefix;
  58:   protected final String uri;
  59:   protected final boolean specified;
  60: 
  61:   protected NamespaceImpl(Location location, String prefix, String uri,
  62:                           boolean specified)
  63:   {
  64:     super(location);
  65:     this.prefix = prefix;
  66:     this.uri = uri;
  67:     this.specified = specified;
  68:   }
  69: 
  70:   public int getEventType()
  71:   {
  72:     return NAMESPACE;
  73:   }
  74: 
  75:   public String getPrefix()
  76:   {
  77:     return prefix;
  78:   }
  79: 
  80:   public String getNamespaceURI()
  81:   {
  82:     return uri;
  83:   }
  84: 
  85:   public boolean isSpecified()
  86:   {
  87:     return specified;
  88:   }
  89: 
  90:   public QName getName()
  91:   {
  92:     if (isDefaultNamespaceDeclaration())
  93:       return new QName("", "xmlns", null);
  94:     else
  95:       return new QName("", prefix, "xmlns");
  96:   }
  97: 
  98:   public String getDTDType()
  99:   {
 100:     return "CDATA";
 101:   }
 102: 
 103:   public String getValue()
 104:   {
 105:     return uri;
 106:   }
 107: 
 108:   public boolean isDefaultNamespaceDeclaration()
 109:   {
 110:     return (prefix == null || "".equals(prefix));
 111:   }
 112: 
 113:   public void writeAsEncodedUnicode(Writer writer)
 114:     throws XMLStreamException
 115:   {
 116:     try
 117:       {
 118:         writer.write("xmlns");
 119:         if (prefix != null && !"".equals(prefix))
 120:           {
 121:             writer.write(':');
 122:             writer.write(prefix);
 123:           }
 124:         writer.write('=');
 125:         writer.write('"');
 126:         writer.write(encode(uri, true));
 127:         writer.write('"');
 128:       }
 129:     catch (IOException e)
 130:       {
 131:         XMLStreamException e2 = new XMLStreamException(e.getMessage());
 132:         e2.initCause(e);
 133:         throw e2;
 134:       }
 135:   }
 136: 
 137: }