/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */

package org.geoserver.security.validation;

import java.io.IOException;

import org.geoserver.security.GeoServerRoleService;
import org.geoserver.security.GeoServerRoleStore;
import org.geoserver.security.GeoServerUserGroupService;
import org.geoserver.security.impl.GeoServerRole;



/**
 * 
 * This class is a validation wrapper for {@link GeoServerRoleStore}
 * 
 * Usage:
 * <code>
 * GeoserverRoleStore valStore = new RoleStoreValidationWrapper(store);
 * valStore.addRole(..);
 * valStore.store()
 * </code>
 * 
 * Since the {@link GeoServerRoleStore} interface does not allow to 
 * throw {@link RoleServiceException} objects directly, these objects
 * a wrapped into an IOException. Use {@link IOException#getCause()} to
 * get the proper exception.
 * 
 * 
 * @author christian
 *
 */
public class RoleStoreValidationWrapper extends RoleServiceValidationWrapper implements GeoServerRoleStore{

    
    /**
     * @see RoleServiceValidationWrapper
     */    
    public RoleStoreValidationWrapper(GeoServerRoleStore store, boolean checkAgainstRules, 
            GeoServerUserGroupService ...services) {
        super(store,checkAgainstRules, services);
    }

    /**
     * @see RoleServiceValidationWrapper
     */    
    public RoleStoreValidationWrapper(GeoServerRoleStore store, GeoServerUserGroupService ...services) {
        super(store,services);
    }
        
    GeoServerRoleStore getStore() {
        return (GeoServerRoleStore) service;
    }

    public void initializeFromService(GeoServerRoleService aService) throws IOException {
        getStore().initializeFromService(aService);
    }

    public void clear() throws IOException {
        getStore().clear();
    }


    public void addRole(GeoServerRole role) throws IOException {
        checkReservedNames(role.getAuthority());
        checkNotExistingRoleName(role.getAuthority());
        checkNotExistingInOtherServices(role.getAuthority());
        getStore().addRole(role);
    }


    public void updateRole(GeoServerRole role) throws IOException {
        checkExistingRoleName(role.getAuthority());
        getStore().updateRole(role);
    }

    public boolean removeRole(GeoServerRole role) throws IOException {        
        checkRoleIsMapped(role);
        checkRoleIsUsed(role);
        return getStore().removeRole(role);
    }

    public void associateRoleToGroup(GeoServerRole role, String groupname) throws IOException {
        checkExistingRoleName(role.getAuthority());
        checkValidGroupName(groupname);
        getStore().associateRoleToGroup(role, groupname);
    }


    public void disAssociateRoleFromGroup(GeoServerRole role, String groupname) throws IOException {
        checkExistingRoleName(role.getAuthority());
        checkValidGroupName(groupname);
        getStore().disAssociateRoleFromGroup(role, groupname);
    }

    public void associateRoleToUser(GeoServerRole role, String username) throws IOException {
        checkExistingRoleName(role.getAuthority());
        checkValidUserName(username);
        getStore().associateRoleToUser(role, username);
    }
    public void disAssociateRoleFromUser(GeoServerRole role, String username) throws IOException {
        checkExistingRoleName(role.getAuthority());
        checkValidUserName(username);
        getStore().disAssociateRoleFromUser(role, username);
    }


    public void store() throws IOException {
        getStore().store();
    }


    public boolean isModified() {
        return getStore().isModified();
    }


    public void setParentRole(GeoServerRole role, GeoServerRole parentRole) throws IOException {
        checkExistingRoleName(role.getAuthority());
        if (parentRole!=null)
            checkExistingRoleName(parentRole.getAuthority());
        getStore().setParentRole(role, parentRole);
    }

}