/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.dom;
import java.util.
Map;
import org.dom4j.
Attribute;
import org.dom4j.
CDATA;
import org.dom4j.
Comment;
import org.dom4j.
Document;
import org.dom4j.
DocumentFactory;
import org.dom4j.
DocumentType;
import org.dom4j.
Element;
import org.dom4j.
Entity;
import org.dom4j.
Namespace;
import org.dom4j.
ProcessingInstruction;
import org.dom4j.
QName;
import org.dom4j.
Text;
import org.dom4j.util.
SingletonStrategy;
import org.w3c.dom.
DOMException;
/**
* <p>
* <code>DOMDocumentFactory</code> is a factory of DOM4J objects which
* implement the W3C DOM API.
* </p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
* @version $Revision: 1.21 $
*/
public class
DOMDocumentFactory extends
DocumentFactory implements
org.w3c.dom.
DOMImplementation {
/** The Singleton instance */
private static
SingletonStrategy singleton = null;
static {
try {
String defaultSingletonClass = "org.dom4j.util.SimpleSingleton";
Class clazz = null;
try {
String singletonClass =
defaultSingletonClass;
singletonClass =
System.
getProperty(
"org.dom4j.dom.DOMDocumentFactory.singleton.strategy",
singletonClass);
clazz =
Class.
forName(
singletonClass);
} catch (
Exception exc1) {
try {
String singletonClass =
defaultSingletonClass;
clazz =
Class.
forName(
singletonClass);
} catch (
Exception exc2) {
}
}
singleton = (
SingletonStrategy)
clazz.
newInstance();
singleton.
setSingletonClassName(
DOMDocumentFactory.class.
getName());
} catch (
Exception exc3) {
}
}
/**
* <p>
* Access to the singleton instance of this factory.
* </p>
*
* @return the default singleon instance
*/
public static
DocumentFactory getInstance() {
DOMDocumentFactory fact = (
DOMDocumentFactory)
singleton.
instance();
return
fact;
}
// Factory methods
public
Document createDocument() {
DOMDocument answer = new
DOMDocument();
answer.
setDocumentFactory(this);
return
answer;
}
public
DocumentType createDocType(
String name,
String publicId,
String systemId) {
return new
DOMDocumentType(
name,
publicId,
systemId);
}
public
Element createElement(
QName qname) {
return new
DOMElement(
qname);
}
public
Element createElement(
QName qname, int
attributeCount) {
return new
DOMElement(
qname,
attributeCount);
}
public
Attribute createAttribute(
Element owner,
QName qname,
String value) {
return new
DOMAttribute(
qname,
value);
}
public
CDATA createCDATA(
String text) {
return new
DOMCDATA(
text);
}
public
Comment createComment(
String text) {
return new
DOMComment(
text);
}
public
Text createText(
String text) {
return new
DOMText(
text);
}
public
Entity createEntity(
String name) {
return new
DOMEntityReference(
name);
}
public
Entity createEntity(
String name,
String text) {
return new
DOMEntityReference(
name,
text);
}
public
Namespace createNamespace(
String prefix,
String uri) {
return new
DOMNamespace(
prefix,
uri);
}
public
ProcessingInstruction createProcessingInstruction(
String target,
String data) {
return new
DOMProcessingInstruction(
target,
data);
}
public
ProcessingInstruction createProcessingInstruction(
String target,
Map data) {
return new
DOMProcessingInstruction(
target,
data);
}
// org.w3c.dom.DOMImplementation interface
public boolean
hasFeature(
String feat,
String version) {
if ("XML".
equalsIgnoreCase(
feat) || "Core".
equalsIgnoreCase(
feat)) {
return ((
version == null) || (
version.
length() == 0)
|| "1.0".
equals(
version) || "2.0".
equals(
version));
}
return false;
}
public org.w3c.dom.
DocumentType createDocumentType(
String qualifiedName,
String publicId,
String systemId) throws
DOMException {
return new
DOMDocumentType(
qualifiedName,
publicId,
systemId);
}
public org.w3c.dom.
Document createDocument(
String namespaceURI,
String qualifiedName, org.w3c.dom.
DocumentType docType)
throws org.w3c.dom.
DOMException {
DOMDocument document;
if (
docType != null) {
DOMDocumentType documentType =
asDocumentType(
docType);
document = new
DOMDocument(
documentType);
} else {
document = new
DOMDocument();
}
document.
addElement(
createQName(
qualifiedName,
namespaceURI));
return
document;
}
// Implementation methods
protected
DOMDocumentType asDocumentType(org.w3c.dom.
DocumentType docType) {
if (
docType instanceof
DOMDocumentType) {
return (
DOMDocumentType)
docType;
} else {
return new
DOMDocumentType(
docType.
getName(),
docType.
getPublicId(),
docType.
getSystemId());
}
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact dom4j-info@metastuff.com.
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/