MetadataAclHolder.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License, version 2 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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 General Public License for more details.
 * 
 * Copyright 2007 - 2008 Pentaho Corporation.  All rights reserved.
 *  
 */
package org.pentaho.platform.plugin.services.metadata;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.pentaho.metadata.model.concept.Concept;
import org.pentaho.metadata.model.concept.IConcept;
import org.pentaho.metadata.model.concept.security.Security;
import org.pentaho.metadata.model.concept.security.SecurityOwner;
import org.pentaho.platform.api.engine.IAclHolder;
import org.pentaho.platform.api.engine.IPentahoAclEntry;
import org.pentaho.platform.engine.security.acls.PentahoAclEntry;
import org.springframework.security.GrantedAuthorityImpl;

public class MetadataAclHolder implements IAclHolder {

  List<IPentahoAclEntry> accessControls = new ArrayList<IPentahoAclEntry>();

  public MetadataAclHolder(final IConcept aclHolder) {
    try {
      Security sec = (Security)aclHolder.getProperty(Concept.SECURITY_PROPERTY);
      if (sec != null) {
        Map<SecurityOwner, Integer> securityMap = sec.getOwnerAclMap();
        SecurityOwner secOwn = null;
        for (Map.Entry<SecurityOwner, Integer> entry : securityMap.entrySet()) {
          // We now have the SecurityOwner and the Rights in there.
          secOwn = entry.getKey();
          int rights = entry.getValue().intValue();
          if (secOwn.getOwnerType() == SecurityOwner.OwnerType.USER) {
            accessControls.add(new PentahoAclEntry(secOwn.getOwnerName(), rights));
          } else {
            accessControls.add(new PentahoAclEntry(new GrantedAuthorityImpl(secOwn.getOwnerName()), rights));
          }
        }
      }
    } catch (Throwable th) {
      // Just being paranoid here in case something doesn't support it.
    }

  }

  public List<IPentahoAclEntry> getAccessControls() {
    return accessControls;
  }

  public List<IPentahoAclEntry> getEffectiveAccessControls() {
    return accessControls;
  }

  public void resetAccessControls(final List<IPentahoAclEntry> acls) {
    throw new UnsupportedOperationException("Cannot set Metadata Acls yet"); //$NON-NLS-1$
  }

  public void setAccessControls(final List<IPentahoAclEntry> acls) {
    throw new UnsupportedOperationException("Cannot set Metadata Acls yet"); //$NON-NLS-1$
  }

}