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

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Here is the source code for org.opendatakit.aggregate.task.gae.servlet.FormDeleteTaskServlet.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.constants.ServletConsts;
import org.opendatakit.aggregate.exception.ODKExternalServiceDependencyException;
import org.opendatakit.aggregate.exception.ODKFormNotFoundException;
import org.opendatakit.aggregate.form.FormFactory;
import org.opendatakit.aggregate.form.IForm;
import org.opendatakit.aggregate.servlet.ServletUtilBase;
import org.opendatakit.aggregate.submission.SubmissionKey;
import org.opendatakit.aggregate.task.FormDeleteWorkerImpl;
import org.opendatakit.common.persistence.exception.ODKDatastoreException;
import org.opendatakit.common.persistence.exception.ODKOverQuotaException;
import org.opendatakit.common.web.CallingContext;

/**
 *
 * @author wbrunette@gmail.com
 * @author mitchellsundt@gmail.com
 *
 */
public class FormDeleteTaskServlet extends ServletUtilBase {

    /**
     * Serial number for serialization
     */
    private static final long serialVersionUID = 8219849865201422548L;

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

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

    /**
     * Handler for HTTP Get request that shows the list of forms
     *
     * @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);

        // get parameter

        String formId = getParameter(req, ServletConsts.FORM_ID);
        if (formId == null) {
            errorMissingKeyParam(resp);
            logger.error("missing " + ServletConsts.FORM_ID);
            return;
        }
        String miscTasksString = getParameter(req, ServletConsts.MISC_TASKS_KEY);
        if (miscTasksString == null) {
            errorBadParam(resp);
            logger.error("missing " + ServletConsts.MISC_TASKS_KEY);
            return;
        }
        SubmissionKey miscTasksKey = new SubmissionKey(miscTasksString);
        String attemptCountString = getParameter(req, ServletConsts.ATTEMPT_COUNT);
        if (attemptCountString == null) {
            errorBadParam(resp);
            logger.error("missing " + ServletConsts.ATTEMPT_COUNT);
            return;
        }

        Long attemptCount;
        try {
            attemptCount = Long.valueOf(attemptCountString);
        } catch (NumberFormatException e) {
            errorBadParam(resp);
            logger.error("parsing failed: " + ServletConsts.ATTEMPT_COUNT);
            return;
        }

        IForm form;
        try {
            form = FormFactory.retrieveFormByFormId(formId, cc);
        } catch (ODKFormNotFoundException e) {
            e.printStackTrace();
            odkIdNotFoundError(resp);
            logger.error("fetching form failed: " + e.toString());
            return;
        } catch (ODKOverQuotaException e) {
            e.printStackTrace();
            quotaExceededError(resp);
            logger.error("fetching form failed: " + e.toString());
            return;
        } catch (ODKDatastoreException e) {
            e.printStackTrace();
            datastoreError(resp);
            logger.error("fetching form failed: " + e.toString());
            return;
        } catch (Exception e) {
            e.printStackTrace();
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            logger.error("fetching form failed: " + e.toString());
            return;
        }

        try {
            FormDeleteWorkerImpl formDelete = new FormDeleteWorkerImpl(form, miscTasksKey, attemptCount, cc);
            formDelete.deleteForm();
        } catch (ODKDatastoreException e) {
            e.printStackTrace();
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            logger.error("delete form failed: " + e.toString());
            return;
        } catch (ODKExternalServiceDependencyException e) {
            e.printStackTrace();
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            logger.error("delete form failed: " + e.toString());
            return;
        } catch (Exception e) {
            e.printStackTrace();
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
            logger.error("delete form failed: " + e.toString());
            return;
        }
    }
}