com.freedomotic.persistence.RoleConverter Maven / Gradle / Ivy

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/**
 *
 * Copyright (c) 2009-2014 Freedomotic team
 * http://freedomotic.com
 *
 * This file is part of Freedomotic
 *
 * This Program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with Freedomotic; see the file COPYING.  If not, see
 * .
 */
package com.freedomotic.persistence;

import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import java.util.logging.Logger;
import org.apache.shiro.authz.Permission;
import org.apache.shiro.authz.SimpleRole;
import org.apache.shiro.authz.permission.WildcardPermission;

/**
 *
 * @author matteo
 */
class RoleConverter implements Converter {

    /**
     *
     * @param o
     * @param writer
     * @param mc
     */
    @Override
    public void marshal(Object o, HierarchicalStreamWriter writer, MarshallingContext mc) {

        SimpleRole r = (SimpleRole) o;

        writer.addAttribute("name", r.getName());
        writer.startNode("permissions");
        for (Permission p : r.getPermissions()) {
            WildcardPermission wp = (WildcardPermission)p;
            writer.startNode("permission");
            writer.setValue(wp.toString().replace("[", "").replace("]", "").replace(" ", ""));
            writer.endNode();
        }
        writer.endNode();

    }

    /**
     *
     * @param reader
     * @param uc
     * @return
     */
    @Override
    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext uc) {

        SimpleRole r = new SimpleRole();

        r.setName(reader.getAttribute("name"));
        reader.moveDown();
        while (reader.hasMoreChildren()) {
            reader.moveDown();
            r.add(new WildcardPermission(reader.getValue()));
            reader.moveUp();
        }
        reader.moveUp();

        return r;
    }

    /**
     *
     * @param type
     * @return
     */
    @Override
    public boolean canConvert(Class type) {
        return (type == SimpleRole.class);
    }

    private static final Logger LOG = Logger.getLogger(RoleConverter.class.getName());
}