/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.mop.management.binding.xml;
import org.exoplatform.portal.config.model.ModelObject;
import org.exoplatform.portal.config.model.Page;
import org.gatein.common.xml.stax.writer.StaxWriter;
import org.gatein.common.xml.stax.writer.WritableValueTypes;
import org.gatein.management.api.binding.BindingException;
import org.staxnav.StaxNavException;
import org.staxnav.StaxNavigator;
import org.staxnav.ValueType;
import javax.xml.stream.XMLStreamException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import static org.gatein.common.xml.stax.navigator.Exceptions.*;
import static org.gatein.common.xml.stax.navigator.StaxNavUtils.*;
import static org.gatein.common.xml.stax.writer.StaxWriterUtils.*;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
* @version $Revision$
*/
public class PageMarshaller extends AbstractMarshaller<Page.PageSet>
{
@Override
public void marshal(Page.PageSet pageSet, OutputStream outputStream) throws BindingException
{
try
{
StaxWriter<Element> writer = createWriter(Element.class, outputStream);
writer.writeStartElement(Element.PAGE_SET);
writeGateinObjectsNamespace(writer);
// Marshal pages
for (Page page : pageSet.getPages())
{
marshalPage(writer, page);
}
writer.finish();
}
catch (StaxNavException e)
{
throw new BindingException(e);
}
catch (XMLStreamException e)
{
throw new BindingException(e);
}
}
@Override
public Page.PageSet unmarshal(InputStream inputStream) throws BindingException
{
try
{
StaxNavigator<Element> navigator = createNavigator(Element.class, Element.UNKNOWN, inputStream);
if (navigator.getName() == Element.PAGE_SET)
{
ArrayList<Page> pages = new ArrayList<Page>();
Element next = navigator.child();
if (next == Element.PAGE)
{
for (StaxNavigator<Element> fork : navigator.fork(Element.PAGE))
{
pages.add(unmarshalPage(fork));
}
}
else if (next != null)
{
throw unexpectedElement(navigator);
}
//Seems like next should be null here...
if (navigator.sibling() != null)
{
throw unexpectedElement(navigator);
}
Page.PageSet pageSet = new Page.PageSet();
pageSet.setPages(pages);
return pageSet;
}
else
{
throw unknownElement(navigator);
}
}
catch (StaxNavException e)
{
throw new BindingException(e);
}
catch (XMLStreamException e)
{
throw new BindingException(e);
}
}
private void marshalPage(StaxWriter<Element> writer, Page page) throws XMLStreamException
{
writer.writeStartElement(Element.PAGE);
// name, title description
writer.writeElement(Element.NAME, page.getName());
writeOptionalElement(writer, Element.TITLE, page.getTitle());
writeOptionalElement(writer, Element.DESCRIPTION, page.getDescription());
// Access/Edit permissions
marshalAccessPermissions(writer, page.getAccessPermissions());
marshalEditPermission(writer, page.getEditPermission());
writeOptionalElement(writer, Element.SHOW_MAX_WINDOW, WritableValueTypes.BOOLEAN, page.isShowMaxWindow());
List<ModelObject> children = page.getChildren();
for (ModelObject child : children)
{
marshalModelObject(writer, child);
}
writer.writeEndElement(); // End of page element
}
private Page unmarshalPage(StaxNavigator<Element> navigator) throws XMLStreamException
{
requiresChild(navigator, Element.NAME);
String name = getRequiredContent(navigator, true);
Page page = new Page();
page.setName(name);
//TODO: Need valid way to ensure a sequence of xml elements, with a mix of required and optional elements.
Element current = navigator.sibling();
while (current != null)
{
switch (current)
{
case TITLE:
page.setTitle(getContent(navigator, false));
current = navigator.sibling();
break;
case DESCRIPTION:
page.setDescription(getContent(navigator, false));
current = navigator.sibling();
break;
case ACCESS_PERMISSIONS:
page.setAccessPermissions(unmarshalAccessPermissions(navigator, true));
current = navigator.sibling();
break;
case EDIT_PERMISSION:
page.setEditPermission(unmarshalEditPermission(navigator));
current = navigator.sibling();
break;
case SHOW_MAX_WINDOW:
page.setShowMaxWindow(parseRequiredContent(navigator, ValueType.BOOLEAN));
current = navigator.sibling();
break;
case CONTAINER:
if (page.getChildren() == null)
{
page.setChildren(new ArrayList<ModelObject>());
}
page.getChildren().add(unmarshalContainer(navigator.fork()));
current = navigator.sibling();
break;
case PORTLET_APPLICATION:
if (page.getChildren() == null)
{
page.setChildren(new ArrayList<ModelObject>());
}
page.getChildren().add(unmarshalPortletApplication(navigator.fork()));
current = navigator.sibling();
break;
case GADGET_APPLICATION:
if (page.getChildren() == null)
{
page.setChildren(new ArrayList<ModelObject>());
}
page.getChildren().add(unmarshalGadgetApplication(navigator.fork()));
current = navigator.sibling();
break;
case UNKNOWN:
throw unknownElement(navigator);
default:
throw unexpectedElement(navigator);
}
}
//TODO: We should raise this exception as soon as we know so location is accurate
if (page.getAccessPermissions() == null) throw expectedElement(navigator, Element.ACCESS_PERMISSIONS);
return page;
}
}