org.pageseeder.ox.berlioz.servlet.OXCheckStatus Maven / Gradle / Ivy

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XML processing pipeline
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/*
 * Copyright 2021 Allette Systems (Australia)
 * http://www.allette.com.au
 *
 * 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.pageseeder.ox.berlioz.servlet;

import org.pageseeder.ox.core.JobStatus;
import org.pageseeder.ox.core.PipelineJob;
import org.pageseeder.ox.process.PipelineJobManager;
import org.pageseeder.xmlwriter.XMLWriter;
import org.pageseeder.xmlwriter.XMLWriterImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * A servlet to check the job status.
 * Parameters
 * 
 *  id the job id.
 * 
 *
 * @author Ciber Cai
 * @version 10 November 2014
 */
public final class OXCheckStatus extends HttpServlet {

  private final static Logger LOGGER = LoggerFactory.getLogger(OXCheckStatus.class);

  /* UploadServlet.java */
  private static final long serialVersionUID = 6721151562078543731L;

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    LOGGER.debug("Starts OXCheckStatus");
    resp.setContentType("application/xml");
    XMLWriter xml = new XMLWriterImpl(resp.getWriter());
    xml.xmlDecl();

    PipelineJobManager manager = new PipelineJobManager();

    String id = req.getParameter("id");
    LOGGER.debug("JOB ID {}", id);
    if (id == null) {
      xml.emptyElement("not-job-id-found");
      resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
      return;
    }
    JobStatus status = manager.checkJobStatus(id);
    if (status == null) {
      xml.emptyElement("not-job-found");
      resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
      return;
    }

    xml.openElement("status");
    status.toXML(xml);
    PipelineJob job = manager.getJobId(id);
    job.toXML(xml);
    xml.closeElement();// status
    xml.flush();
    xml.close();

    resp.setContentLength(xml.toString().length());
    LOGGER.debug("Ends OXCheckStatus");
  }

  @Override
  protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    doGet(req, resp);
  }

  @Override
  protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    doGet(req, resp);
  }

}