1 /* XMLEventImpl.java --
2 Copyright (C) 2005,2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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)
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.
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
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
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. */
38 package gnu.xml.stream;
40 import gnu.java.lang.CPStringBuilder;
42 import java.io.Writer;
43 import javax.xml.namespace.QName;
44 import javax.xml.stream.Location;
45 import javax.xml.stream.XMLStreamException;
46 import javax.xml.stream.events.Characters;
47 import javax.xml.stream.events.EndElement;
48 import javax.xml.stream.events.StartElement;
49 import javax.xml.stream.events.XMLEvent;
52 * An XML stream event.
54 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
56 public abstract class XMLEventImpl
60 protected final Location location;
62 protected XMLEventImpl(Location location)
64 this.location = location;
67 public abstract int getEventType();
69 public Location getLocation()
74 public boolean isStartElement()
76 return getEventType() == START_ELEMENT;
79 public boolean isAttribute()
81 return getEventType() == ATTRIBUTE;
84 public boolean isNamespace()
86 return getEventType() == NAMESPACE;
89 public boolean isEndElement()
91 return getEventType() == END_ELEMENT;
94 public boolean isEntityReference()
96 return getEventType() == ENTITY_REFERENCE;
99 public boolean isProcessingInstruction()
101 return getEventType() == PROCESSING_INSTRUCTION;
104 public boolean isCharacters()
106 int et = getEventType();
107 return et == CHARACTERS || et == CDATA;
110 public boolean isStartDocument()
112 return getEventType() == START_DOCUMENT;
115 public boolean isEndDocument()
117 return getEventType() == END_DOCUMENT;
120 public StartElement asStartElement()
122 return (StartElement) this;
125 public EndElement asEndElement()
127 return (EndElement) this;
130 public Characters asCharacters()
132 return (Characters) this;
135 public QName getSchemaType()
140 public abstract void writeAsEncodedUnicode(Writer writer)
141 throws XMLStreamException;
143 protected String encode(String text, boolean inAttr)
145 int len = text.length();
146 CPStringBuilder buf = null;
147 for (int i = 0; i < len; i++)
149 char c = text.charAt(i);
154 buf = new CPStringBuilder(text.substring(0, i));
162 buf = new CPStringBuilder(text.substring(0, i));
170 buf = new CPStringBuilder(text.substring(0, i));
174 else if (c == '\'' && inAttr)
178 buf = new CPStringBuilder(text.substring(0, i));
180 buf.append("'");
182 else if (c == '"' && inAttr)
186 buf = new CPStringBuilder(text.substring(0, i));
188 buf.append(""");
190 else if (buf != null)
195 return (buf == null) ? text : buf.toString();