TimerGestoreChiaviPDNDUtilities.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openspcoop2.pdd.timers.pdnd;

import org.openspcoop2.pdd.timers.TimerException;
import org.openspcoop2.utils.certificate.remote.RemoteStoreConfig;
import org.openspcoop2.utils.transport.http.ExternalResourceUtils;

/**     
 * TimerGestoreChiaviPDNDUtilities
 *
 * @author Poli Andrea (poli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class TimerGestoreChiaviPDNDUtilities {

    private RemoteStoreConfig remoteStore;
    private String urlCheckEventi;
    
    private String parameterLastEventId;
    
    private String parameterLimit;
    private int limit;
    
    public TimerGestoreChiaviPDNDUtilities(RemoteStoreConfig remoteStore, String urlCheckEventi,
            String parameterLastEventId, String parameterLimit, int limit) {
        
        this.remoteStore = remoteStore;
        this.urlCheckEventi = urlCheckEventi;
        
        this.parameterLastEventId = parameterLastEventId;
        
        this.parameterLimit = parameterLimit;
        this.limit = limit;
    }
    
    public TimerGestoreChiaviPDNDEvents readNextEvents(long lastEventId) throws TimerException {
        
        String responseJson = null;
        try {
        
            StringBuilder sb = new StringBuilder(this.urlCheckEventi).append("?");
            sb.append(this.parameterLastEventId).append("=").append(lastEventId);
            sb.append("&");
            sb.append(this.parameterLimit).append("=").append(this.limit);
            
            String url = sb.toString();
            byte[] response = ExternalResourceUtils.readResource(url, this.remoteStore);
            responseJson = new String(response);
            
        }catch(Exception e) {
            throw new TimerException(e.getMessage(),e);
        }
        
        try {
            return TimerGestoreChiaviPDNDEvents.toEvents(responseJson);
        }catch(Exception e) {
            throw new TimerException("Uncorrect json format ("+responseJson+"): "+e.getMessage(),e);
        }
        
    }
    
}