Source for gnu.xml.stream.StartElementImpl

   1: /* StartElementImpl.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 java.util.Iterator;
  43: import java.util.List;
  44: import javax.xml.namespace.NamespaceContext;
  45: import javax.xml.namespace.QName;
  46: import javax.xml.stream.Location;
  47: import javax.xml.stream.XMLStreamException;
  48: import javax.xml.stream.events.Attribute;
  49: import javax.xml.stream.events.Namespace;
  50: import javax.xml.stream.events.StartElement;
  51: 
  52: /**
  53:  * A start-element event.
  54:  *
  55:  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
  56:  */
  57: public class StartElementImpl
  58:   extends XMLEventImpl
  59:   implements StartElement
  60: {
  61: 
  62:   protected final QName name;
  63:   protected final List attributes;
  64:   protected final List namespaces;
  65:   protected final NamespaceContext namespaceContext;
  66: 
  67:   protected StartElementImpl(Location location,
  68:                              QName name, List attributes, List namespaces,
  69:                              NamespaceContext namespaceContext)
  70:   {
  71:     super(location);
  72:     this.name = name;
  73:     this.attributes = attributes;
  74:     this.namespaces = namespaces;
  75:     this.namespaceContext = namespaceContext;
  76:   }
  77: 
  78:   public int getEventType()
  79:   {
  80:     return START_ELEMENT;
  81:   }
  82: 
  83:   public QName getName()
  84:   {
  85:     return name;
  86:   }
  87: 
  88:   public Iterator getAttributes()
  89:   {
  90:     return attributes.iterator();
  91:   }
  92: 
  93:   public Iterator getNamespaces()
  94:   {
  95:     return namespaces.iterator();
  96:   }
  97: 
  98:   public Attribute getAttributeByName(QName name)
  99:   {
 100:     for (Iterator i = attributes.iterator(); i.hasNext(); )
 101:       {
 102:         Attribute attr = (Attribute) i.next();
 103:         if (name.equals(attr.getName()))
 104:           return attr;
 105:       }
 106:     return null;
 107:   }
 108: 
 109:   public NamespaceContext getNamespaceContext()
 110:   {
 111:     return namespaceContext;
 112:   }
 113: 
 114:   public String getNamespaceURI(String prefix)
 115:   {
 116:     return namespaceContext.getNamespaceURI(prefix);
 117:   }
 118: 
 119:   public void writeAsEncodedUnicode(Writer writer)
 120:     throws XMLStreamException
 121:   {
 122:     try
 123:       {
 124:         writer.write('<');
 125:         String prefix = name.getPrefix();
 126:         if (prefix != null && !"".equals(prefix))
 127:           {
 128:             writer.write(prefix);
 129:             writer.write(':');
 130:           }
 131:         writer.write(name.getLocalPart());
 132:         for (Iterator i = namespaces.iterator(); i.hasNext(); )
 133:           {
 134:             writer.write(' ');
 135:             ((Namespace) i.next()).writeAsEncodedUnicode(writer);
 136:           }
 137:         for (Iterator i = attributes.iterator(); i.hasNext(); )
 138:           {
 139:             writer.write(' ');
 140:             ((Attribute) i.next()).writeAsEncodedUnicode(writer);
 141:           }
 142:         writer.write('>');
 143:       }
 144:     catch (IOException e)
 145:       {
 146:         XMLStreamException e2 = new XMLStreamException(e.getMessage());
 147:         e2.initCause(e);
 148:         throw e2;
 149:       }
 150:   }
 151: 
 152: }