RfidContainer.java
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package fi.insomnia.bortal.view;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.faces.bean.ApplicationScoped;
import javax.faces.bean.ManagedBean;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.model.ReaderEvent;
@ApplicationScoped
@ManagedBean
public class RfidContainer {
private static final Logger logger = LoggerFactory.getLogger(RfidContainer.class);
private Map<String, List<RfidEvent>> events = Collections.synchronizedMap(new HashMap<String, List<RfidEvent>>());
public synchronized void foundTag(String reader, String tag, ReaderEvent revent) {
if (!events.containsKey(reader)) {
events.put(reader, Collections.synchronizedList(new LinkedList<RfidEvent>()));
}
List<RfidEvent> readerevents = events.get(reader);
while (readerevents.size() > 20) {
readerevents.remove(readerevents.size() - 1);
logger.debug("Cleaning readerevents fro reader {}", reader);
}
if (readerevents.size() > 0 && readerevents.get(0).getTag().equals(tag)) {
readerevents.get(0).seen();
} else {
readerevents.add(0, new RfidEvent(reader, tag, revent));
logger.debug("Readerevents size {}", readerevents.size());
}
}
public List<RfidEvent> getReaderEvents(String reader) {
return events.get(reader);
}
public Map<String, List<RfidEvent>> getReaders() {
return events;
}
public class RfidEvent {
RfidEvent(String reader, String tag, ReaderEvent revent) {
this.reader = reader;
this.tag = tag;
this.event = revent;
}
public void seen() {
time = Calendar.getInstance();
}
public String getSeenSince() {
long diffSec = (Calendar.getInstance().getTimeInMillis() - time.getTimeInMillis()) / 1000;
long secs = diffSec % 60;
long diffMin = diffSec / 60;
long mins = diffMin % 60;
long hours = diffMin / 60;
StringBuilder ret = new StringBuilder();
if (hours > 0) {
ret.append(hours).append(" h ");
}
if (hours > 0 || mins > 0) {
ret.append(mins).append(" min ");
}
ret.append(secs).append(" sec");
return ret.toString();
}
private Calendar time = Calendar.getInstance();
private String reader;
private String tag;
private ReaderEvent event;
private List<String> actions = new ArrayList<String>();
public Calendar getTime() {
return time;
}
public void setTime(Calendar time) {
this.time = time;
}
public String getReader() {
return reader;
}
public void setReader(String reader) {
this.reader = reader;
}
public String getTag() {
return tag;
}
public void setTag(String tag) {
this.tag = tag;
}
public ReaderEvent getEvent() {
return event;
}
public void setEvent(ReaderEvent event) {
this.event = event;
}
public List<String> getActions() {
return actions;
}
public void setActions(List<String> actions) {
this.actions = actions;
}
public void addMessage(String msg) {
this.actions.add(msg);
}
}
}