/*
* Copyright (C) 2011 eXo Platform SAS.
*
* 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.pc;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.gatein.pc.portlet.impl.deployment.staxnav.PortletApplicationMetaDataBuilder;
import org.gatein.pc.portlet.impl.metadata.PortletApplication10MetaData;
import org.gatein.pc.portlet.impl.metadata.PortletApplication20MetaData;
import org.gatein.pc.portlet.impl.metadata.filter.FilterMappingMetaData;
import org.gatein.pc.portlet.impl.metadata.filter.FilterMetaData;
/**
* @author <a href="hoang281283@gmail.com">Minh Hoang TO</a>
* @date 3/31/11
*/
public class GlobalPortletMetaData {
private PortletApplication10MetaData wrappedMetaData;
public GlobalPortletMetaData(PortletApplication10MetaData _wrappedMetaData) {
this.wrappedMetaData = _wrappedMetaData;
}
public PortletApplication10MetaData mergeTo(PortletApplication10MetaData tobeMergedMetaData) {
if (wrappedMetaData.getCustomPortletModes() != null) {
tobeMergedMetaData.getCustomPortletModes().putAll(wrappedMetaData.getCustomPortletModes());
}
if (wrappedMetaData.getCustomWindowStates() != null) {
tobeMergedMetaData.getCustomWindowStates().putAll(wrappedMetaData.getCustomWindowStates());
}
if (tobeMergedMetaData instanceof PortletApplication20MetaData
&& wrappedMetaData instanceof PortletApplication20MetaData) {
return merge20MetData((PortletApplication20MetaData) wrappedMetaData,
(PortletApplication20MetaData) tobeMergedMetaData);
}
return tobeMergedMetaData;
}
public PortletApplication10MetaData merge20MetData(PortletApplication20MetaData globalMetaData,
PortletApplication20MetaData tobeMergedMetaData) {
mergeFilterMetaData(globalMetaData, tobeMergedMetaData);
mergeFilterMapping(globalMetaData, tobeMergedMetaData);
mergePublicRenderParameters(globalMetaData, tobeMergedMetaData);
return tobeMergedMetaData;
}
private void mergeFilterMetaData(PortletApplication20MetaData globalMetaData,
PortletApplication20MetaData tobeMergedMetaData) {
Map<String, FilterMetaData> globalFilters = globalMetaData.getFilters();
Map<String, FilterMetaData> applicationFilters = tobeMergedMetaData.getFilters();
if (globalFilters != null) {
if (applicationFilters == null) {
tobeMergedMetaData.setFilters(globalFilters);
return;
}
applicationFilters.putAll(globalFilters);
tobeMergedMetaData.setFilters(applicationFilters);
}
}
private void mergeFilterMapping(PortletApplication20MetaData globalMetaData, PortletApplication20MetaData tobeMergedMetaData) {
List<FilterMappingMetaData> applicationFilterMappings = tobeMergedMetaData.getFilterMapping();
if (applicationFilterMappings == null) {
applicationFilterMappings = new ArrayList<FilterMappingMetaData>(3);
}
Map<String, FilterMetaData> globalFilters = globalMetaData.getFilters();
if (globalFilters == null) {
return;
} else {
// TODO: Ensure there is no duplicated filter mapping
for (String filterName : globalFilters.keySet()) {
FilterMappingMetaData filterMapping = new FilterMappingMetaData();
filterMapping.setName(filterName);
// TODO: Use this list, examine if there is a bug in PC on the instantiation of filter mappings
// List<String> portletsApplyingThisGlobalFilter =
// findPortletsApplyingGlobalFilter(globalFilters.get(filterName), tobeMergedMetaData);
List<String> portletsApplyingThisGlobalFilter = new ArrayList<String>(3);
portletsApplyingThisGlobalFilter.add("*");
filterMapping.setPortletNames(portletsApplyingThisGlobalFilter);
applicationFilterMappings.add(filterMapping);
}
tobeMergedMetaData.setFilterMapping(applicationFilterMappings);
}
}
private void mergePublicRenderParameters(PortletApplication20MetaData globalMetaData,
PortletApplication20MetaData tobeMergedMetaData) {
// TODO: Wait for the spec of merging public render parameters
}
/** . */
private static final PortletApplicationMetaDataBuilder builder = new PortletApplicationMetaDataBuilder();
public static GlobalPortletMetaData unmarshalling(InputStream in) throws Exception {
PortletApplication10MetaData application10MetaData = builder.build(in);
return new GlobalPortletMetaData(application10MetaData);
}
}