/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*
* THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
*/
package com.sun.xml.internal.fastinfoset.stax.events ;
import javax.xml.stream.Location;
import javax.xml.stream.events.XMLEvent;
import javax.xml.stream.events.Characters;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.namespace.QName;
import java.io.Writer;
import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
public abstract class EventBase implements XMLEvent {
/* Event type this event corresponds to */
protected int _eventType;
protected Location _location = null;
public EventBase() {
}
public EventBase(int eventType) {
_eventType = eventType;
}
/**
* Returns an integer code for this event.
*/
public int getEventType() {
return _eventType;
}
protected void setEventType(int eventType){
_eventType = eventType;
}
public boolean isStartElement() {
return _eventType == START_ELEMENT;
}
public boolean isEndElement() {
return _eventType == END_ELEMENT;
}
public boolean isEntityReference() {
return _eventType == ENTITY_REFERENCE;
}
public boolean isProcessingInstruction() {
return _eventType == PROCESSING_INSTRUCTION;
}
public boolean isStartDocument() {
return _eventType == START_DOCUMENT;
}
public boolean isEndDocument() {
return _eventType == END_DOCUMENT;
}
/**
* Return the location of this event. The Location
* returned from this method is non-volatile and
* will retain its information.
* @see javax.xml.stream.Location
*/
public Location getLocation(){
return _location;
}
public void setLocation(Location loc){
_location = loc;
}
public String getSystemId() {
if(_location == null )
return "";
else
return _location.getSystemId();
}
/** Returns this event as Characters, may result in
* a class cast exception if this event is not Characters.
*/
public Characters asCharacters() {
if (isCharacters()) {
return (Characters)this;
} else
throw new ClassCastException(CommonResourceBundle.getInstance().getString("message.charactersCast", new Object[]{getEventTypeString()}));
}
/** Returns this event as an end element event, may result in
* a class cast exception if this event is not a end element.
*/
public EndElement asEndElement() {
if (isEndElement()) {
return (EndElement)this;
} else
throw new ClassCastException(CommonResourceBundle.getInstance().getString("message.endElementCase", new Object[]{getEventTypeString()}));
}
/**
* Returns this event as a start element event, may result in
* a class cast exception if this event is not a start element.
*/
public StartElement asStartElement() {
if (isStartElement()) {
return (StartElement)this;
} else
throw new ClassCastException(CommonResourceBundle.getInstance().getString("message.startElementCase", new Object[]{getEventTypeString()}));
}
/**
* This method is provided for implementations to provide
* optional type information about the associated event.
* It is optional and will return null if no information
* is available.
*/
public QName getSchemaType() {
return null;
}
/** A utility function to check if this event is an Attribute.
* @see javax.xml.stream.events.Attribute
*/
public boolean isAttribute() {
return _eventType == ATTRIBUTE;
}
/** A utility function to check if this event is Characters.
* @see javax.xml.stream.events.Characters
*/
public boolean isCharacters() {
return _eventType == CHARACTERS;
}
/** A utility function to check if this event is a Namespace.
* @see javax.xml.stream.events.Namespace
*/
public boolean isNamespace() {
return _eventType == NAMESPACE;
}
/**
* This method will write the XMLEvent as per the XML 1.0 specification as Unicode characters.
* No indentation or whitespace should be outputted.
*
* Any user defined event type SHALL have this method
* called when being written to on an output stream.
* Built in Event types MUST implement this method,
* but implementations MAY choose not call these methods
* for optimizations reasons when writing out built in
* Events to an output stream.
* The output generated MUST be equivalent in terms of the
* infoset expressed.
*
* @param writer The writer that will output the data
* @throws XMLStreamException if there is a fatal error writing the event
*/
public void writeAsEncodedUnicode(Writer writer) throws javax.xml.stream.XMLStreamException {
}
private String getEventTypeString() {
switch (_eventType){
case START_ELEMENT:
return "StartElementEvent";
case END_ELEMENT:
return "EndElementEvent";
case PROCESSING_INSTRUCTION:
return "ProcessingInstructionEvent";
case CHARACTERS:
return "CharacterEvent";
case COMMENT:
return "CommentEvent";
case START_DOCUMENT:
return "StartDocumentEvent";
case END_DOCUMENT:
return "EndDocumentEvent";
case ENTITY_REFERENCE:
return "EntityReferenceEvent";
case ATTRIBUTE:
return "AttributeBase";
case DTD:
return "DTDEvent";
case CDATA:
return "CDATA";
}
return "UNKNOWN_EVENT_TYPE";
}
}