org.jboss.rhq.sync.tool.actions.impl.impex.RoleSerializer.java Source code

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Here is the source code for org.jboss.rhq.sync.tool.actions.impl.impex.RoleSerializer.java

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/*
*
* RHQ Sync Tool
* Copyright (C) 2012-2013 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/

package org.jboss.rhq.sync.tool.actions.impl.impex;

import java.lang.reflect.Type;
import java.util.Collection;

import org.apache.log4j.Logger;
import org.jboss.rhq.sync.tool.util.LogUtils;
import org.rhq.core.domain.authz.Role;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import com.google.gson.reflect.TypeToken;

/**
 * @author Romain PELISSE - <belaran@redhat.com>
 *
 */
public class RoleSerializer implements JsonSerializer<Role> {

    private static Logger logger = Logger.getLogger(RoleSerializer.class);

    @Override
    public JsonElement serialize(Role role, Type type, JsonSerializationContext ctx) {
        if (logger.isDebugEnabled())
            LogUtils.logRoleInstance(logger, role, "Serializing...");
        JsonObject result = new JsonObject();
        result.add("id", ctx.serialize(role.getId(), Integer.class));
        result.add("name", ctx.serialize(role.getName(), String.class));
        result.add("classname", ctx.serialize(role.getClass().toString(), String.class));
        result.add("description", ctx.serialize(role.getDescription(), String.class));
        result.add("fsystem", ctx.serialize(role.getFsystem(), Boolean.class));
        result.add("memberCount", ctx.serialize(role.getMemberCount(), Integer.class));
        result.add("permission", ctx.serialize(role.getPermissions(), Collection.class));
        result.add("subjects", ctx.serialize(role.getSubjects(), Collection.class));
        return result;
    }

    /**
     * <p>Commidity method to easily load a {@link Collection} of {@link Role}.</p>
     *
     * <p><em>This mostly takes care of the type marshalling necessary for JSON.</em></p>
     *
     * @param jsonAsString JSON content as a simple {@link String}.
     * @return
     */
    public static Collection<Role> loadJsonRolesCollections(String jsonAsString) {
        Type collectionType = new TypeToken<Collection<Role>>() {
        }.getType();
        return new JsonIO().getGson().create().fromJson(jsonAsString, collectionType);
    }

}