public void disconnect()

in src/main/java/org/apache/sling/discovery/base/connectors/ping/TopologyConnectorClient.java [445:495]
44 lines of code
8 McCabe index (conditional complexity)

    public void disconnect() {
        final String uri = connectorUrl.toString()+"."+clusterViewService.getSlingId()+".json";
    	if (logger.isDebugEnabled()) {
    		logger.debug("disconnect: connectorUrl=" + connectorUrl + ", complete uri="+uri);
    	}

        if (lastInheritedAnnouncement != null) {
            announcementRegistry
                    .unregisterAnnouncement(lastInheritedAnnouncement
                            .getOwnerId());
        }

        final HttpClientContext clientContext = HttpClientContext.create();
        final CloseableHttpClient httpClient = createHttpClient();
        final HttpDelete deleteRequest = new HttpDelete(uri);
        // setting the connection timeout (idle connection, configured in seconds)
        deleteRequest.setConfig(RequestConfig.
        		custom().
        		setConnectTimeout(1000*config.getSocketConnectTimeout()).
        		build());

        try {
            String userInfo = connectorUrl.getUserInfo();
            if (userInfo != null) {
                Credentials c = new UsernamePasswordCredentials(userInfo);
                clientContext.getCredentialsProvider().setCredentials(
                        new AuthScope(deleteRequest.getURI().getHost(), deleteRequest
                                .getURI().getPort()), c);
            }

            requestValidator.trustMessage(deleteRequest, null);
            final CloseableHttpResponse response = httpClient.execute(deleteRequest, clientContext);
        	if (logger.isDebugEnabled()) {
	            logger.debug("disconnect: done. code=" + response.getStatusLine().getStatusCode()
	                    + " - " + response.getStatusLine().getReasonPhrase());
        	}
            // ignoring the actual statuscode though as there's little we can
            // do about it after this point
        } catch (IOException e) {
            logger.warn("disconnect: got IOException: " + e);
        } catch (RuntimeException re) {
            logger.error("disconnect: got RuntimeException: " + re, re);
        } finally {
            deleteRequest.releaseConnection();
            try {
				httpClient.close();
			} catch (IOException e) {
				logger.error("disconnect: could not close httpClient: "+e, e);
			}
        }
    }