org.opendatakit.aggregate.task.gae.servlet.WatchdogServlet.java Source code

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Here is the source code for org.opendatakit.aggregate.task.gae.servlet.WatchdogServlet.java

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/*
 * Copyright (C) 2010 University of Washington
 *
 * 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 org.opendatakit.aggregate.task.gae.servlet;

import java.io.IOException;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opendatakit.aggregate.ContextFactory;
import org.opendatakit.aggregate.exception.ODKExternalServiceException;
import org.opendatakit.aggregate.exception.ODKFormNotFoundException;
import org.opendatakit.aggregate.exception.ODKIncompleteSubmissionData;
import org.opendatakit.aggregate.servlet.ServletUtilBase;
import org.opendatakit.aggregate.task.WatchdogWorkerImpl;
import org.opendatakit.common.persistence.exception.ODKDatastoreException;
import org.opendatakit.common.web.CallingContext;

/**
 *
 * @author wbrunette@gmail.com
 * @author mitchellsundt@gmail.com
 *
 */
public class WatchdogServlet extends ServletUtilBase {
    /**
     * Serial number for serialization
     */
    private static final long serialVersionUID = 4295412985320942609L;

    private static final Log logger = LogFactory.getLog(WatchdogServlet.class);

    /**
     * URI from base
     */
    public static final String ADDR = "gae/watchdog";

    /**
     * Handler for HTTP Get request to run watchdog task
     *
     * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        CallingContext cc = ContextFactory.getCallingContext(this, req);
        cc.setAsDaemon(true);

        logger.info("Beginning servlet processing");
        WatchdogWorkerImpl worker = new WatchdogWorkerImpl();
        try {
            worker.checkTasks(cc);
            logger.info("ending successful servlet processing");
            resp.setStatus(HttpServletResponse.SC_ACCEPTED);
        } catch (ODKExternalServiceException e) {
            e.printStackTrace();
            logger.error(e.toString());
            resp.sendError(HttpServletResponse.SC_BAD_GATEWAY, e.toString());
            return;
        } catch (ODKFormNotFoundException e) {
            e.printStackTrace();
            logger.error(e.toString());
            odkIdNotFoundError(resp);
            return;
        } catch (ODKDatastoreException e) {
            e.printStackTrace();
            logger.error(e.toString());
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            return;
        } catch (ODKIncompleteSubmissionData e) {
            e.printStackTrace();
            logger.error(e.toString());
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            return;
        }
    }
}