/**
* 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 1999-2004 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.schema;
import java.util.Enumeration;
import java.util.Vector;
/**
* An implementation of an XML Schema content model group.
*
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @author <a href="mailto:blandin@intalio.com">Arnaud Blandin</a>
* @version $Revision$ $Date: 2006-04-14 04:14:43 -0600 (Fri, 14 Apr 2006) $
*/
class ContentModelGroupImpl implements ContentModelGroup , java.io.Serializable {
/** SerialVersionUID */
private static final long serialVersionUID = -2477271185972337873L;
/**
* Collection holding all {@link Particle}s of this content model group.
*/
private Vector<Particle> _contentModel = new Vector<Particle>();
private transient ScopableResolver _resolver = new ScopableResolver();
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#addWildcard(org.exolab.castor.xml.schema.Wildcard)
*/
public void addWildcard(final Wildcard wildcard) throws SchemaException {
if (wildcard.isAttributeWildcard()) {
throw new SchemaException("only <any> should be add in a group.");
}
_contentModel.addElement(wildcard);
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#addElementDecl(org.exolab.castor.xml.schema.ElementDecl)
*/
public void addElementDecl(final ElementDecl elementDecl)
throws SchemaException {
if (elementDecl == null) {
return;
}
String name = elementDecl.getName();
if (!elementDecl.isReference()) {
String key = "element:" + name;
//-- check for naming collisions
if (_resolver.resolve(key) != null) {
String err = "An element declaration with the given name, ";
err += name + ", already exists in this scope.";
throw new SchemaException(err);
}
_resolver.addResolvable(key, elementDecl);
}
//-- add to content model
_contentModel.addElement(elementDecl);
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#removeElementDecl(org.exolab.castor.xml.schema.ElementDecl)
*/
public boolean removeElementDecl(final ElementDecl elementDecl) {
if (elementDecl == null) {
return false;
}
int position = _contentModel.indexOf(elementDecl);
if (position >= 0) {
_contentModel.removeElementAt(position);
if (!elementDecl.isReference()) {
String key = "element:" + elementDecl.getName();
_resolver.removeResolvable(key);
}
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#addGroup(org.exolab.castor.xml.schema.Group)
*/
public void addGroup(final Group group) throws SchemaException {
if (group == null) {
return;
}
String name = group.getName();
if (name != null) {
String key = "group:" + name;
// -- check for naming collisions
if (_resolver.resolve(key) != null) {
String err = "A group definition with the given name, ";
err += name + ", already exists in this scope.";
throw new SchemaException(err);
}
_resolver.addResolvable(key, group);
}
// -- add to content model
_contentModel.addElement(group);
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#removeGroup(org.exolab.castor.xml.schema.Group)
*/
public boolean removeGroup(final Group group) {
if (group == null) {
return false;
}
int position = _contentModel.indexOf(group);
if (position >= 0) {
String name = group.getName();
if (name != null) {
String key = "group:" + name;
_resolver.removeResolvable(key);
}
_contentModel.removeElementAt(position);
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#addGroup(org.exolab.castor.xml.schema.ModelGroup)
*/
public void addGroup(final ModelGroup group) throws SchemaException {
if (group == null) {
return;
}
String name = group.getName();
if ((name != null) && (!group.isReference())) {
String key = "group:" + name;
// -- check for naming collisions
if (_resolver.resolve(key) != null) {
String err = "An element declaration with the given name, ";
err += name + ", already exists in this scope.";
throw new SchemaException(err);
}
_resolver.addResolvable(key, group);
}
// -- add to content model
_contentModel.addElement(group);
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#removeGroup(org.exolab.castor.xml.schema.ModelGroup)
*/
public boolean removeGroup(final ModelGroup group) {
if (group == null) {
return false;
}
int position = _contentModel.indexOf(group);
if (position >= 0) {
String name = group.getName();
if ((name != null) && (!group.isReference())) {
String key = "group:" + name;
_resolver.removeResolvable(key);
}
_contentModel.removeElementAt(position);
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#removeWildcard(org.exolab.castor.xml.schema.Wildcard)
*/
public boolean removeWildcard(final Wildcard wildcard) {
if (wildcard == null) {
return false;
}
int position = _contentModel.indexOf(wildcard);
if (position >= 0) {
_contentModel.removeElementAt(position);
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#enumerate()
*/
public Enumeration<Particle> enumerate() {
return _contentModel.elements();
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#getElementDecl(java.lang.String)
*/
public ElementDecl getElementDecl(final String name) {
if (name == null) {
return null;
}
ElementDecl result = null;
if (_resolver != null) {
String key = "element:" + name;
result = (ElementDecl) _resolver.resolve(key);
// resolver is always not null (initialized in the constructor)
// but it may not contain the element (in case of a complexType)
if (result != null) {
return result;
}
}
for (int i = 0; i < _contentModel.size(); i++) {
Particle particle = _contentModel.elementAt(i);
switch (particle.getStructureType()) {
case Structure.ELEMENT:
ElementDecl e = (ElementDecl) particle;
if (name.equals(e.getName())) {
result = e;
}
break;
case Structure.GROUP:
case Structure.MODELGROUP:
result = ((ContentModelGroup) particle).getElementDecl(name);
break;
default:
break;
}
if (result != null) {
break;
}
}
return result;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#getMaxOccurs()
*/
public int getMaxOccurs() {
return 1;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#getMinOccurs()
*/
public int getMinOccurs() {
return 1;
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#getParticle(int)
*/
public Particle getParticle(final int index) {
return _contentModel.elementAt(index);
}
/**
* {@inheritDoc}
*
* @see org.exolab.castor.xml.schema.ContentModelGroup#getParticleCount()
*/
public int getParticleCount() {
return _contentModel.size();
}
}