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*
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* above copyright notice, this list of conditions and the
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* please contact info@exolab.org.
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* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Intalio, Inc. Exolab is a registered
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*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. 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
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2000 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.descriptors;
import java.util.Date;
import org.exolab.castor.mapping.AccessMode;
import org.exolab.castor.mapping.ClassDescriptor;
import org.exolab.castor.mapping.FieldDescriptor;
import org.exolab.castor.xml.NodeType;
import org.exolab.castor.xml.TypeValidator;
import org.exolab.castor.xml.XMLFieldDescriptor;
import org.exolab.castor.xml.XMLFieldHandler;
import org.exolab.castor.xml.handlers.DateFieldHandler;
import org.exolab.castor.xml.util.XMLFieldDescriptorImpl;
/**
* A ClassDescriptor for java.util.Date.
*
* @author <a href="kvisco-at-intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2004-12-16 22:49:25 -0700 (Thu, 16 Dec 2004) $
*/
public class DateClassDescriptor extends BaseDescriptor {
/** Used for returning no attribute and no element fields. */
private static final XMLFieldDescriptor[] NO_FIELDS = new XMLFieldDescriptor[0];
/** The name of the XML element. */
private static final String XML_NAME = "date";
/** Our field descriptor. */
private static final XMLFieldDescriptorImpl CONTENT_DESCRIPTOR;
/** Our field descriptor array. Lists the fields we describe. */
private static final FieldDescriptor[] FIELDS;
/** The TypeValidator to use for validation of the described class. */
private static final TypeValidator VALIDATOR = null;
static {
CONTENT_DESCRIPTOR = new XMLFieldDescriptorImpl(String.class,
"content", "content", NodeType.Text);
CONTENT_DESCRIPTOR.setImmutable(true);
CONTENT_DESCRIPTOR.setHandler(new DateFieldHandler(new XMLFieldHandler() {
/**
* {@inheritDoc}
*/
public Object getValue(final Object object) throws IllegalStateException {
return object;
}
/**
* {@inheritDoc}
*/
public void setValue(final Object object, final Object value)
throws IllegalStateException, IllegalArgumentException {
if (object.getClass() == java.util.Date.class) {
Date target = (Date) object;
if (value.getClass() == java.util.Date.class) {
target.setTime(((Date) value).getTime());
}
}
}
/**
* {@inheritDoc}
*/
public Object newInstance(final Object parent) {
return null;
}
}));
FIELDS = new FieldDescriptor[1];
FIELDS[0] = CONTENT_DESCRIPTOR;
}
//----------------/
//- Constructors -/
//----------------/
/**
* No-arg constructor.
*/
public DateClassDescriptor() {
super();
} //-- DateDescriptor
//------------------/
//- Public Methods -/
//------------------/
/**
* Returns the set of XMLFieldDescriptors for all members that should be
* marshaled as XML attributes.
*
* @return an array of XMLFieldDescriptors for all members that should be
* marshaled as XML attributes.
*/
public XMLFieldDescriptor[] getAttributeDescriptors() {
return NO_FIELDS;
} // getAttributeDescriptors
/**
* Returns the XMLFieldDescriptor for the member that should be marshaled
* as text content.
*
* @return the XMLFieldDescriptor for the member that should be marshaled
* as text content.
*/
public XMLFieldDescriptor getContentDescriptor() {
return CONTENT_DESCRIPTOR;
} // getContentDescriptor
/**
* Returns the set of XMLFieldDescriptors for all members that should be
* marshaled as XML elements.
*
* @return an array of XMLFieldDescriptors for all members that should be
* marshaled as XML elements.
*/
public XMLFieldDescriptor[] getElementDescriptors() {
return NO_FIELDS;
} // getElementDescriptors
/**
* Returns the XML field descriptor matching the given xml name and
* nodeType. If NodeType is null, then either an AttributeDescriptor, or
* ElementDescriptor may be returned. Null is returned if no matching
* descriptor is available.
*
* @param name the xml name to match against
* @param namespace the namespace of the element. This may be null. Note: A
* null namespace is not the same as the default namespace unless the
* default namespace is also null.
* @param nodeType the NodeType to match against, or null if the node type
* is not known.
* @return the matching descriptor, or null if no matching descriptor is
* available.
*/
public XMLFieldDescriptor getFieldDescriptor(final String name,
final String namespace, final NodeType nodeType) {
return null;
} //-- getFieldDescriptor
/**
* @return the namespace prefix to use when marshaling as XML.
*/
public String getNameSpacePrefix() {
return null;
} //-- getNameSpacePrefix
/**
* @return the namespace URI used when marshaling and unmarshaling as XML.
*/
public String getNameSpaceURI() {
return null;
} //-- getNameSpaceURI
/**
* Returns a specific validator for the class described by this
* ClassDescriptor. A null value may be returned if no specific validator
* exists.
*
* @return the type validator for the class described by this
* ClassDescriptor.
*/
public TypeValidator getValidator() {
return VALIDATOR;
} //-- getValidator
/**
* Returns the XML Name for the Class being described.
*
* @return the XML name.
*/
public String getXMLName() {
return XML_NAME;
} //-- getXMLName
/**
* Returns the String representation of this XMLClassDescriptor.
* @return the String representation of this XMLClassDescriptor.
*/
public String toString() {
return super.toString() + "; descriptor for class: Date" + "; xml name: " + XML_NAME;
} //-- toString
//-------------------------------------/
//- Implementation of ClassDescriptor -/
//-------------------------------------/
/**
* Returns the Java class represented by this descriptor.
*
* @return The Java class
*/
public Class getJavaClass() {
return java.util.Date.class;
} //-- getJavaClass
/**
* Returns a list of fields represented by this descriptor.
*
* @return A list of fields
*/
public FieldDescriptor[] getFields() {
return FIELDS;
} //-- getFields
/**
* Returns the class descriptor of the class extended by this class.
*
* @return The extended class descriptor
*/
public ClassDescriptor getExtends() {
return null;
} //-- getExtends
/**
* Returns the identity field, null if this class has no identity.
*
* @return The identity field
*/
public FieldDescriptor getIdentity() {
return null;
} //-- getIdentity
/**
* Returns the access mode specified for this class.
*
* @return The access mode
*/
public AccessMode getAccessMode() {
return null;
} //-- getAccessMode
} //-- class: DateClassDescriptor