package org.epics.archiverappliance.engine.bpl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedList;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.epics.archiverappliance.common.BPLAction;
import org.epics.archiverappliance.config.ConfigService;
import org.epics.archiverappliance.engine.ArchiveEngine;
import org.epics.archiverappliance.utils.ui.MimeTypeConstants;
import org.json.simple.JSONValue;
public class PauseArchivingPV implements BPLAction {
private static Logger logger = Logger.getLogger(PauseArchivingPV.class.getName());
@Override
public void execute(HttpServletRequest req, HttpServletResponse resp, ConfigService configService) throws IOException {
String pvNamesStr = req.getParameter("pv");
if(pvNamesStr == null || pvNamesStr.equals("")) {
resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
String[] pvNames = pvNamesStr.split(",");
LinkedList<HashMap<String, Object>> statuses = new LinkedList<HashMap<String, Object>>();
for(String pvName : pvNames) {
HashMap<String, Object> infoValues = new HashMap<String, Object>();
infoValues.put("pvName", pvName);
statuses.add(infoValues);
try {
logger.debug("Calling the engine to pause PV " + pvName);
ArchiveEngine.pauseArchivingPV(pvName, configService);
infoValues.put("status", "ok");
infoValues.put("desc", "Successfully paused the archiving of PV " + pvName);
} catch(Exception ex) {
logger.error("Exception pausing PV " + pvName, ex);
infoValues.put("status", "failed");
infoValues.put("validation", ex.getMessage());
}
}
resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
try(PrintWriter out = resp.getWriter()) {
out.println(JSONValue.toJSONString(statuses));
}
}
}