com.linuxbox.enkive.web.GetPermissionsServlet.java Source code

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Here is the source code for com.linuxbox.enkive.web.GetPermissionsServlet.java

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/*******************************************************************************
 * Copyright 2013 The Linux Box Corporation.
 *
 * This file is part of Enkive CE (Community Edition).
 *
 * Enkive CE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * Enkive CE 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with Enkive CE. If not, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.linuxbox.enkive.web;

import static com.linuxbox.enkive.web.WebConstants.USER_AUTHORITIES;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONException;
import org.json.JSONObject;

import com.linuxbox.enkive.exception.CannotGetPermissionsException;
import com.linuxbox.enkive.permissions.PermissionService;

public class GetPermissionsServlet extends EnkiveServlet {

    private static final long serialVersionUID = 7260328900686039838L;
    protected static final Log LOGGER = LogFactory.getLog("com.linuxbox.enkive.web.permissions");

    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        PermissionService permService = getPermissionService();

        try {
            Collection<String> userAuthorities = permService.getCurrentUserAuthorities();
            JSONObject jsonResponse = new JSONObject();
            jsonResponse.put(USER_AUTHORITIES, userAuthorities);
            String jsonResultString = jsonResponse.toString();
            try {
                resp.getWriter().write(jsonResultString);
            } catch (IOException e) {
                LOGGER.error("Could not write JSON response");
            }
        } catch (JSONException e) {
            respondError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, null, resp);
            LOGGER.error("Could not serialize JSON", e);
        } catch (CannotGetPermissionsException e) {
            respondError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, null, resp);
            LOGGER.error("Could not get user permissions", e);
        }

    }

}