/**
* Copyright (C) 2009 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.pom.spi.wsrp;
import java.io.ByteArrayInputStream;
import java.util.List;
import org.exoplatform.commons.utils.Safe;
import org.gatein.common.util.ParameterValidation;
import org.gatein.mop.spi.content.ContentProvider;
import org.gatein.mop.spi.content.StateContainer;
/**
* @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
* @version $Revision$
*/
public class WSRPContentProvider implements ContentProvider<WSRP, WSRPState> {
public WSRP combine(List<WSRP> wsrpStates) {
WSRP result = null;
if (ParameterValidation.existsAndIsNotEmpty(wsrpStates)) {
for (WSRP state : wsrpStates) {
result = state;
if (state.isCloned()) {
return state;
}
}
}
return result;
}
public void setState(StateContainer<WSRPState> container, WSRP state) {
WSRPState wsrpState = container.getState();
if (wsrpState != null) {
if (state == null) {
container.setState(null);
} else {
setInternalState(wsrpState, state);
}
} else {
if (state != null) {
wsrpState = container.create();
setInternalState(wsrpState, state);
}
}
}
public WSRP getState(StateContainer<WSRPState> container) {
WSRPState wsrpState = container.getState();
if (wsrpState != null) {
return getState(wsrpState);
} else {
return null;
}
}
public Class<WSRP> getExternalType() {
return WSRP.class;
}
public Class<WSRPState> getInternalType() {
return WSRPState.class;
}
private void setInternalState(WSRPState persistedState, WSRP updatedState) {
byte[] bytes = updatedState.getState();
if (bytes != null && bytes.length > 0) {
ByteArrayInputStream is = new ByteArrayInputStream(bytes);
persistedState.setState(is);
}
persistedState.setPortletId(updatedState.getPortletId());
persistedState.setCloned(updatedState.isCloned());
}
private WSRP getState(WSRPState state) {
WSRP wsrp = new WSRP();
byte[] bytes = Safe.getBytes(state.getState());
wsrp.setState(bytes);
wsrp.setPortletId(state.getPortletId());
wsrp.setCloned(state.getCloned());
return wsrp;
}
}