PVsByStorageConsumed.java

package org.epics.archiverappliance.mgmt.bpl.reports;

import java.io.IOException;
import java.io.PrintWriter;
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.ApplianceInfo;
import org.epics.archiverappliance.config.ConfigService;
import org.epics.archiverappliance.utils.ui.GetUrlContent;
import org.epics.archiverappliance.utils.ui.MimeTypeConstants;
import org.json.simple.JSONArray;
import org.json.simple.JSONValue;

public class PVsByStorageConsumed implements BPLAction {
	private static Logger logger = Logger.getLogger(PVsByStorageConsumed.class.getName());
	@Override
	public void execute(HttpServletRequest req, HttpServletResponse resp, ConfigService configService) throws IOException {
		String limit = req.getParameter("limit");
		logger.info("Storage consumed report for " + (limit == null ? "default limit " : ("limit " + limit)));
		resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
		LinkedList<String> storageConsumedURLs = new LinkedList<String>();
		for(ApplianceInfo info : configService.getAppliancesInCluster()) {
			storageConsumedURLs.add(info.getEtlURL() + "/getPVsByStorageConsumed" + (limit == null ? "" : ("?limit=" + limit)));
		}		
		try (PrintWriter out = resp.getWriter()) {
			JSONArray storageConsumedPVs = GetUrlContent.combineJSONArrays(storageConsumedURLs);
			out.println(JSONValue.toJSONString(storageConsumedPVs));
		}
	}
}