/*
* 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.datatype;
import com.sun.msv.datatype.
DatabindableDatatype;
import com.sun.msv.datatype.
SerializationContext;
import com.sun.msv.datatype.xsd.
XSDatatype;
import org.dom4j.
Element;
import org.dom4j.
Namespace;
import org.dom4j.
Node;
import org.dom4j.
QName;
import org.dom4j.tree.
DefaultElement;
import org.relaxng.datatype.
DatatypeException;
import org.relaxng.datatype.
ValidationContext;
/**
* <p>
* <code>DatatypeElement</code> represents an Element which supports the <a
* href="http://www.w3.org/TR/xmlschema-2/">XML Schema Data Types </a>
* specification.
* </p>
*
* @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
* @version $Revision: 1.9 $
*/
public class
DatatypeElement extends
DefaultElement implements
SerializationContext,
ValidationContext {
/** The <code>XSDatatype</code> of the <code>Attribute</code> */
private
XSDatatype datatype;
/** The data (Object) value of the <code>Attribute</code> */
private
Object data;
public
DatatypeElement(
QName qname,
XSDatatype datatype) {
super(
qname);
this.
datatype =
datatype;
}
public
DatatypeElement(
QName qname, int
attributeCount,
XSDatatype type) {
super(
qname,
attributeCount);
this.
datatype =
type;
}
public
String toString() {
return
getClass().
getName() +
hashCode() + " [Element: <"
+
getQualifiedName() + " attributes: " +
attributeList()
+ " data: " +
getData() + " />]";
}
/**
* Returns the MSV XSDatatype for this node
*
* @return DOCUMENT ME!
*/
public
XSDatatype getXSDatatype() {
return
datatype;
}
// SerializationContext interface
// -------------------------------------------------------------------------
public
String getNamespacePrefix(
String uri) {
Namespace namespace =
getNamespaceForURI(
uri);
return (
namespace != null) ?
namespace.
getPrefix() : null;
}
// ValidationContext interface
// -------------------------------------------------------------------------
public
String getBaseUri() {
// XXXX: could we use a Document for this?
return null;
}
public boolean
isNotation(
String notationName) {
// XXXX: no way to do this yet in dom4j so assume false
return false;
}
public boolean
isUnparsedEntity(
String entityName) {
// XXXX: no way to do this yet in dom4j so assume valid
return true;
}
public
String resolveNamespacePrefix(
String prefix) {
Namespace namespace =
getNamespaceForPrefix(
prefix);
if (
namespace != null) {
return
namespace.
getURI();
}
return null;
}
// Element interface
// -------------------------------------------------------------------------
public
Object getData() {
if (
data == null) {
String text =
getTextTrim();
if ((
text != null) && (
text.
length() > 0)) {
if (
datatype instanceof
DatabindableDatatype) {
DatabindableDatatype bind = (
DatabindableDatatype)
datatype;
data =
bind.
createJavaObject(
text, this);
} else {
data =
datatype.
createValue(
text, this);
}
}
}
return
data;
}
public void
setData(
Object data) {
String s =
datatype.
convertToLexicalValue(
data, this);
validate(
s);
this.
data =
data;
setText(
s);
}
public
Element addText(
String text) {
validate(
text);
return super.addText(
text);
}
public void
setText(
String text) {
validate(
text);
super.setText(
text);
}
// Implementation methods
// -------------------------------------------------------------------------
/**
* Override to force lazy recreation of data object
*
* @param node
* DOCUMENT ME!
*/
protected void
childAdded(
Node node) {
data = null;
super.childAdded(
node);
}
/**
* Override to force lazy recreation of data object
*
* @param node
* DOCUMENT ME!
*/
protected void
childRemoved(
Node node) {
data = null;
super.childRemoved(
node);
}
protected void
validate(
String text) throws
IllegalArgumentException {
try {
datatype.
checkValid(
text, this);
} catch (
DatatypeException e) {
throw new
IllegalArgumentException(
e.
getMessage());
}
}
}
/*
* 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.
*/