java http client eviction

1public static class IdleConnectionMonitorThread extends Thread {
2    
3    private final HttpClientConnectionManager connMgr;
4    private volatile boolean shutdown;
5    
6    public IdleConnectionMonitorThread(HttpClientConnectionManager connMgr) {
7        super();
8        this.connMgr = connMgr;
9    }
10
11    @Override
12    public void run() {
13        try {
14            while (!shutdown) {
15                synchronized (this) {
16                    wait(5000);
17                    // Close expired connections
18                    connMgr.closeExpiredConnections();
19                    // Optionally, close connections
20                    // that have been idle longer than 30 sec
21                    connMgr.closeIdleConnections(30, TimeUnit.SECONDS);
22                }
23            }
24        } catch (InterruptedException ex) {
25            // terminate
26        }
27    }
28    
29    public void shutdown() {
30        shutdown = true;
31        synchronized (this) {
32            notifyAll();
33        }
34    }
35    
36}
37