| /* XMLEventImpl.java -- |
| Copyright (C) 2005,2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.stream; |
| |
| import java.io.Writer; |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.Location; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.events.Characters; |
| import javax.xml.stream.events.EndElement; |
| import javax.xml.stream.events.StartElement; |
| import javax.xml.stream.events.XMLEvent; |
| |
| /** |
| * An XML stream event. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| public abstract class XMLEventImpl |
| implements XMLEvent |
| { |
| |
| protected final Location location; |
| |
| protected XMLEventImpl(Location location) |
| { |
| this.location = location; |
| } |
| |
| public abstract int getEventType(); |
| |
| public Location getLocation() |
| { |
| return location; |
| } |
| |
| public boolean isStartElement() |
| { |
| return getEventType() == START_ELEMENT; |
| } |
| |
| public boolean isAttribute() |
| { |
| return getEventType() == ATTRIBUTE; |
| } |
| |
| public boolean isNamespace() |
| { |
| return getEventType() == NAMESPACE; |
| } |
| |
| public boolean isEndElement() |
| { |
| return getEventType() == END_ELEMENT; |
| } |
| |
| public boolean isEntityReference() |
| { |
| return getEventType() == ENTITY_REFERENCE; |
| } |
| |
| public boolean isProcessingInstruction() |
| { |
| return getEventType() == PROCESSING_INSTRUCTION; |
| } |
| |
| public boolean isCharacters() |
| { |
| int et = getEventType(); |
| return et == CHARACTERS || et == CDATA; |
| } |
| |
| public boolean isStartDocument() |
| { |
| return getEventType() == START_DOCUMENT; |
| } |
| |
| public boolean isEndDocument() |
| { |
| return getEventType() == END_DOCUMENT; |
| } |
| |
| public StartElement asStartElement() |
| { |
| return (StartElement) this; |
| } |
| |
| public EndElement asEndElement() |
| { |
| return (EndElement) this; |
| } |
| |
| public Characters asCharacters() |
| { |
| return (Characters) this; |
| } |
| |
| public QName getSchemaType() |
| { |
| return null; |
| } |
| |
| public abstract void writeAsEncodedUnicode(Writer writer) |
| throws XMLStreamException; |
| |
| protected String encode(String text, boolean inAttr) |
| { |
| int len = text.length(); |
| StringBuffer buf = null; |
| for (int i = 0; i < len; i++) |
| { |
| char c = text.charAt(i); |
| if (c == '<') |
| { |
| if (buf == null) |
| { |
| buf = new StringBuffer(text.substring(0, i)); |
| } |
| buf.append("<"); |
| } |
| else if (c == '>') |
| { |
| if (buf == null) |
| { |
| buf = new StringBuffer(text.substring(0, i)); |
| } |
| buf.append(">"); |
| } |
| else if (c == '&') |
| { |
| if (buf == null) |
| { |
| buf = new StringBuffer(text.substring(0, i)); |
| } |
| buf.append("&"); |
| } |
| else if (c == '\'' && inAttr) |
| { |
| if (buf == null) |
| { |
| buf = new StringBuffer(text.substring(0, i)); |
| } |
| buf.append("'"); |
| } |
| else if (c == '"' && inAttr) |
| { |
| if (buf == null) |
| { |
| buf = new StringBuffer(text.substring(0, i)); |
| } |
| buf.append("""); |
| } |
| else if (buf != null) |
| { |
| buf.append(c); |
| } |
| } |
| return (buf == null) ? text : buf.toString(); |
| } |
| |
| } |
| |