/*
* Copyright (c) 2008, 2010, James Leigh All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - 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.
* - Neither the name of the openrdf.org nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS 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 THE COPYRIGHT OWNER OR 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.
*
*/
package net.enilink.komma.literals.internal;
import static javax.xml.XMLConstants.NULL_NS_URI;
import javax.xml.namespace.QName;
import com.google.inject.Inject;
import net.enilink.vocab.xmlschema.XMLSCHEMA;
import net.enilink.komma.literals.IConverter;
import net.enilink.komma.core.ILiteral;
import net.enilink.komma.core.ILiteralFactory;
import net.enilink.komma.core.URI;
/**
* Converts {@link QName} to and from {@link ILiteral}.
*
* @author James Leigh
*
*/
public class QNameConverter implements IConverter<QName> {
@Inject
private ILiteralFactory lf;
public String getJavaClassName() {
return QName.class.getName();
}
public URI getDatatype() {
return XMLSCHEMA.TYPE_QNAME;
}
public void setDatatype(URI datatype) {
if (!datatype.equals(getDatatype()))
throw new IllegalArgumentException(datatype.toString());
}
public QName deserialize(String label) {
int idx = label.indexOf(':');
if (label.charAt(0) == '{' || idx < 0)
return QName.valueOf(label);
String prefix = label.substring(0, idx);
return new QName(NULL_NS_URI, label.substring(idx + 1), prefix);
}
public ILiteral serialize(QName object) {
if (object.getPrefix().length() == 0)
return lf.createLiteral(object.toString(), getDatatype(),
null);
StringBuilder label = new StringBuilder();
label.append(object.getPrefix());
label.append(":");
label.append(object.getLocalPart());
return lf.createLiteral(label.toString(), getDatatype(), null);
}
}