/*
* 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.
QName;
import org.dom4j.tree.
AbstractAttribute;
import org.relaxng.datatype.
DatatypeException;
import org.relaxng.datatype.
ValidationContext;
/**
* <p>
* <code>DatatypeAttribute</code> represents an Attribute which supports the
* <a href="http://www.w3.org/TR/xmlschema-2/">XML Schema Data Types </a>
* specification.
* </p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
* @version $Revision: 1.9 $
*/
public class
DatatypeAttribute extends
AbstractAttribute implements
SerializationContext,
ValidationContext {
/** The parent <code>Element</code> of the <code>Attribute</code> */
private
Element parent;
/** The <code>QName</code> for this element */
private
QName qname;
/** The <code>XSDatatype</code> of the <code>Attribute</code> */
private
XSDatatype datatype;
/** The data (Object) value of the <code>Attribute</code> */
private
Object data;
/** The text value of the <code>Attribute</code> */
private
String text;
public
DatatypeAttribute(
QName qname,
XSDatatype datatype) {
this.
qname =
qname;
this.
datatype =
datatype;
}
public
DatatypeAttribute(
QName qname,
XSDatatype datatype,
String text) {
this.
qname =
qname;
this.
datatype =
datatype;
this.
text =
text;
this.
data =
convertToValue(
text);
}
public
String toString() {
return
getClass().
getName() +
hashCode() + " [Attribute: name "
+
getQualifiedName() + " value \"" +
getValue() + "\" data: "
+
getData() + "]";
}
/**
* Returns the MSV XSDatatype for this node
*
* @return DOCUMENT ME!
*/
public
XSDatatype getXSDatatype() {
return
datatype;
}
// SerializationContext interface
// -------------------------------------------------------------------------
public
String getNamespacePrefix(
String uri) {
Element parentElement =
getParent();
if (
parentElement != null) {
Namespace namespace =
parentElement.
getNamespaceForURI(
uri);
if (
namespace != null) {
return
namespace.
getPrefix();
}
}
return 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) {
// first lets see if this is our attribute's prefix
if (
prefix.
equals(
getNamespacePrefix())) {
return
getNamespaceURI();
} else {
Element parentElement =
getParent();
if (
parentElement != null) {
Namespace namespace =
parentElement
.
getNamespaceForPrefix(
prefix);
if (
namespace != null) {
return
namespace.
getURI();
}
}
}
return null;
}
// Attribute interface
// -------------------------------------------------------------------------
public
QName getQName() {
return
qname;
}
public
String getValue() {
return
text;
}
public void
setValue(
String value) {
validate(
value);
this.
text =
value;
this.
data =
convertToValue(
value);
}
public
Object getData() {
return
data;
}
public void
setData(
Object data) {
String s =
datatype.
convertToLexicalValue(
data, this);
validate(
s);
this.
text =
s;
this.
data =
data;
}
public
Element getParent() {
return
parent;
}
public void
setParent(
Element parent) {
this.
parent =
parent;
}
public boolean
supportsParent() {
return true;
}
public boolean
isReadOnly() {
return false;
}
// Implementation methods
// -------------------------------------------------------------------------
protected void
validate(
String txt) throws
IllegalArgumentException {
try {
datatype.
checkValid(
txt, this);
} catch (
DatatypeException e) {
throw new
IllegalArgumentException(
e.
getMessage());
}
}
protected
Object convertToValue(
String txt) {
if (
datatype instanceof
DatabindableDatatype) {
DatabindableDatatype bindable = (
DatabindableDatatype)
datatype;
return
bindable.
createJavaObject(
txt, this);
} else {
return
datatype.
createValue(
txt, this);
}
}
}
/*
* 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.
*/