com.nabla.wapp.server.auth.AuthDatabase.java Source code

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Here is the source code for com.nabla.wapp.server.auth.AuthDatabase.java

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/**
* Copyright 2012 nabla
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
*/
package com.nabla.wapp.server.auth;

import java.lang.reflect.Field;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nabla.wapp.server.database.Database;

public class AuthDatabase extends Database {

    private static final Log log = LogFactory.getLog(AuthDatabase.class);

    public AuthDatabase(final String dbName, final ServletContext serverContext, final Class<?> roles,
            final String rootPassword) throws SQLException {
        super(dbName, serverContext);
        final Connection conn = this.getConnection();
        try {
            new UserManager(conn).initializeDatabase(new UserManager.IRoleListProvider() {
                @Override
                public Map<String, String[]> get() {
                    final Map<String, String[]> rslt = new HashMap<String, String[]>();
                    for (final Field field : roles.getFields()) {
                        if (!field.getType().getCanonicalName().equals(String.class.getName()))
                            continue;
                        try {
                            final String roleName = (String) field.get(null); // assume static
                            final IRole definition = field.getAnnotation(IRole.class);
                            if (definition == null) {
                                // privilege
                                rslt.put(roleName, null);
                            } else {
                                // role
                                rslt.put(roleName, definition.value());
                            }
                        } catch (final IllegalArgumentException e) {
                            if (log.isDebugEnabled())
                                log.debug("invalid field '" + field.getName() + "' as a role", e);
                        } catch (final IllegalAccessException e) {
                            if (log.isDebugEnabled())
                                log.debug("invalid field '" + field.getName() + "' as a role", e);
                        }
                    }
                    return rslt;
                }
            }, rootPassword);
        } finally {
            close(conn);
        }
    }

}