/**
* 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 "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Intalio, Inc. For written permission,
* please contact info@exolab.org.
*
* 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
* trademark of Intalio, Inc.
*
* 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
* INTALIO, INC. 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 1999-2003 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.schema.reader;
import java.util.Enumeration;
import java.util.Stack;
import org.castor.core.constants.cpa.JDOConstants;
import org.exolab.castor.types.AnyNode;
import org.exolab.castor.xml.AttributeSet;
import org.exolab.castor.xml.Namespaces;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.XMLContext;
import org.exolab.castor.xml.XMLException;
import org.exolab.castor.xml.schema.AppInfo;
import org.exolab.castor.xml.schema.SchemaContext;
import org.exolab.castor.xml.schema.SchemaNames;
/**
* A class for unmarshalling XML Schema {@literal <appinfo>} elements
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2004-10-01 07:25:46 -0600 (Fri, 01 Oct 2004) $
**/
public class AppInfoUnmarshaller extends ComponentReader {
/**
* The Attribute reference for the Attribute we are constructing.
*/
private AppInfo _appInfo = null;
/**
* Stack of AnyNodes being unmarshalled.
*/
private Stack _nodes = new Stack();
/**
* Creates a new AppInfoUnmarshaller.
* @param schemaContext the schema context to get some configuration settings from
* @param atts the AttributeList
* @throws XMLException if instantiation failed for any reason.
**/
public AppInfoUnmarshaller(
final SchemaContext schemaContext,
final AttributeSet atts)
throws XMLException {
super(schemaContext);
_appInfo = new AppInfo();
_appInfo.setSource(atts.getValue(SchemaNames.SOURCE_ATTR));
}
/**
* @return appinfo.
**/
public AppInfo getAppInfo() {
return _appInfo;
}
/**
* Returns the name of the element that this ComponentReader
* handles.
* @return the name of the element that this ComponentReader
* handles
**/
public String elementName() {
return SchemaNames.APPINFO;
}
/**
* Called to signal an end of unmarshalling. This method should
* be overridden to perform any necessary clean up by an unmarshaller
**/
public void finish() {
//-- do nothing
}
/**
* Returns the Object created by this ComponentReader.
* @return the Object created by this ComponentReader
**/
public Object getObject() {
return getAppInfo();
}
/**
* Signals the start of an element with the given name.
*
* @param name the NCName of the element. It is an error
* if the name is a QName (ie. contains a prefix).
* @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 atts the AttributeSet containing the attributes associated
* with the element.
* @param nsDecls the namespace declarations being declared for this
* element. This may be null.
* @throws XMLException if any error occurs
**/
public void startElement(String name, String namespace, AttributeSet atts,
Namespaces nsDecls)
throws XMLException {
String prefix = null;
if (nsDecls != null) {
//-- find prefix (elements use default namespace if null)
if (namespace == null) {
namespace = "";
}
prefix = nsDecls.getNamespacePrefix(namespace);
}
AnyNode node = new AnyNode(AnyNode.ELEMENT, name, prefix, namespace, null);
_nodes.push(node);
//-- process namespace nodes
if (nsDecls != null) {
Enumeration enumeration = nsDecls.getLocalNamespaces();
while (enumeration.hasMoreElements()) {
namespace = (String) enumeration.nextElement();
prefix = nsDecls.getNamespacePrefix(namespace);
node.addNamespace (new AnyNode(AnyNode.NAMESPACE,
null, //-- no local name for a ns decl.
prefix,
namespace,
null)); //-- no value
}
}
//-- process attributes
if (atts != null) {
for (int i = 0; i < atts.getSize(); i++) {
namespace = atts.getNamespace(i);
if ((nsDecls != null) && (namespace != null)) {
prefix = nsDecls.getNamespacePrefix(namespace);
} else {
prefix = null;
}
node.addAttribute(new AnyNode(AnyNode.ATTRIBUTE,
atts.getName(i),
prefix, namespace,
atts.getValue(i)));
}
}
}
/**
* Signals to end of the element with the given name.
*
* @param name the NCName of the element. It is an error
* if the name is a QName (ie. contains a prefix).
* @param namespace the namespace of the element.
* @throws XMLException if unmarshalling fails.
*
**/
public void endElement(final String name, final String namespace)
throws XMLException {
AnyNode node = (AnyNode) _nodes.pop();
if (_nodes.isEmpty()) {
//- unmarshall JDO appinfo content
if (node.getNamespaceURI().equals(JDOConstants.JDO_NAMESPACE)
&& (node.getLocalName().equals(JDOConstants.ANNOTATIONS_TABLE_NAME)
|| node.getLocalName().equals(JDOConstants.ANNOTATIONS_COLUMN_NAME)
|| node.getLocalName().equals(JDOConstants.ANNOTATIONS_ONE_TO_ONE_NAME)
|| node.getLocalName().equals(JDOConstants.ANNOTATIONS_ONE_TO_MANY))) {
XMLContext context = new XMLContext();
context.addPackage(JDOConstants.GENERATED_ANNOTATION_CLASSES_PACKAGE);
Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setClassLoader(getClass().getClassLoader());
_appInfo.getJdoContent().add(unmarshaller.unmarshal(node));
}
//-- add to appInfo
_appInfo.add(node);
} else {
//-- add to parent AnyNode
((AnyNode) _nodes.peek()).addChild(node);
}
}
public void characters(char[] ch, int start, int length)
throws XMLException {
//-- Do delegation if necessary
AnyNode text = new AnyNode(AnyNode.TEXT,
null, //-- no local name for text nodes
null, //-- no prefix
null, //-- no namespace
new String(ch, start, length));
if (!_nodes.isEmpty()) {
AnyNode parent = (AnyNode) _nodes.peek();
parent.addChild(text);
} else {
_appInfo.add(text);
}
}
}