private void deploy(WebApp webApp) { Bundle bundle = webApp.getBundle(); String contextName = webApp.getContextName(); eventDispatcher.webEvent( new WebEvent(WebEvent.DEPLOYING, "/" + contextName, bundle, bundleContext.getBundle())); if (!contexts.containsKey(contextName)) { LinkedList<WebApp> queue = new LinkedList<WebApp>(); contexts.put(contextName, queue); queue.add(webApp); // let the publisher set the deployment state and send web event m_publisher.publish(webApp, eventDispatcher, bundleContext); } else { LinkedList<WebApp> queue = contexts.get(contextName); queue.add(webApp); Collection<Long> duplicateIds = new LinkedList<Long>(); for (WebApp duplicateWebApp : queue) { duplicateIds.add(duplicateWebApp.getBundle().getBundleId()); } webApp.setDeploymentState(WebApp.WAITING_STATE); eventDispatcher.webEvent( new WebEvent( WebEvent.WAITING, "/" + contextName, bundle, bundleContext.getBundle(), duplicateIds)); } }
private void undeploy(WebApp webApp) { String contextName = webApp.getContextName(); LinkedList<WebApp> queue = contexts.get(contextName); if (queue != null) { // Are we the published web app?? if (queue.get(0) == webApp) { webApp.setDeploymentState(WebApp.UNDEPLOYED_STATE); eventDispatcher.webEvent( new WebEvent( WebEvent.UNDEPLOYING, "/" + contextName, webApp.getBundle(), bundleContext.getBundle())); m_publisher.unpublish(webApp); eventDispatcher.webEvent( new WebEvent( WebEvent.UNDEPLOYED, "/" + contextName, webApp.getBundle(), bundleContext.getBundle())); queue.removeFirst(); // Below checks if another webapp is waiting for the context, if so the webapp is published. LOG.debug("Check for a waiting webapp."); if (!queue.isEmpty()) { LOG.debug("Found another bundle waiting for the context"); WebApp next = queue.getFirst(); eventDispatcher.webEvent( new WebEvent( WebEvent.DEPLOYING, "/" + contextName, next.getBundle(), bundleContext.getBundle())); // let the publisher set the deployment state and send web event m_publisher.publish(next, eventDispatcher, bundleContext); } else { contexts.remove(contextName); } } else if (queue.remove(webApp)) { webApp.setDeploymentState(WebApp.UNDEPLOYED_STATE); eventDispatcher.webEvent( new WebEvent( WebEvent.UNDEPLOYED, "/" + contextName, webApp.getBundle(), bundleContext.getBundle())); } else { LOG.debug("Web application was not in the deployment queue"); } } else { LOG.debug(String.format("No web application published under context: %s", contextName)); } }
/** * Parse the web.xml and publish the corresponding web app. The received list is expected to * contain one URL of an web.xml (only first is used. The web.xml will be parsed and resulting web * application structure will be registered with the http service. * * @throws NullArgumentException if bundle or list of web xmls is null * @throws PreConditionException if the list of web xmls is empty or more then one xml * @see BundleObserver#addingEntries(Bundle,List) */ public void addingEntries(final Bundle bundle, final List<URL> entries) { NullArgumentException.validateNotNull(bundle, "Bundle"); NullArgumentException.validateNotNull(entries, "List of *.xml's"); // Context name is also needed for some of the pre-condition checks, therefore it is retrieved // here. String contextName = extractContextName(bundle); LOG.info(String.format("Using [%s] as web application context name", contextName)); List<String> virtualHostList = extractVirtualHostList(bundle); LOG.info(String.format("[%d] virtual hosts defined in bundle header", virtualHostList.size())); List<String> connectorList = extractConnectorList(bundle); LOG.info(String.format("[%d] connectors defined in bundle header", connectorList.size())); // try-catch only to inform framework and listeners of an event. try { // PreConditionException.validateLesserThan( entries.size(), 3, "Number of xml's" ); PreConditionException.validateEqualTo( "WEB-INF".compareToIgnoreCase(Path.getDirectParent(entries.get(0))), 0, "Direct parent of web.xml"); } catch (PreConditionException pce) { LOG.error(pce.getMessage(), pce); eventDispatcher.webEvent( new WebEvent(WebEvent.FAILED, "/" + contextName, bundle, bundleContext.getBundle(), pce)); throw pce; } if (webApps.containsKey(bundle.getBundleId())) { LOG.debug( String.format("Already found a web application in bundle %d", bundle.getBundleId())); return; } URL webXmlURL = null; // = entries.get( 0 ); URL jettyWebXmlURL = null; for (URL url : entries) { if (isJettyWebXml(url)) { // it's the jetty-web.xml jettyWebXmlURL = url; } else if (isWebXml(url)) { // it's the web.xml webXmlURL = url; } else { // just another one } } if (webXmlURL == null) { PreConditionException pce = new PreConditionException("no web.xml configured in web-application"); LOG.error(pce.getMessage(), pce); eventDispatcher.webEvent( new WebEvent(WebEvent.FAILED, "/" + contextName, bundle, bundleContext.getBundle(), pce)); throw pce; } LOG.debug("Parsing a web application from [" + webXmlURL + "]"); String rootPath = extractRootPath(bundle); LOG.info(String.format("Using [%s] as web application root path", rootPath)); InputStream is = null; try { is = webXmlURL.openStream(); final WebApp webApp = m_parser.parse(bundle, is); if (webApp != null) { LOG.debug("Parsed web app [" + webApp + "]"); webApp.setWebXmlURL(webXmlURL); webApp.setJettyWebXmlURL(jettyWebXmlURL); webApp.setVirtualHostList(virtualHostList); webApp.setConnectorList(connectorList); webApp.setBundle(bundle); webApp.setContextName(contextName); webApp.setRootPath(rootPath); webApp.setDeploymentState(WebApp.UNDEPLOYED_STATE); webApps.put(bundle.getBundleId(), webApp); // The Webapp-Deploy header controls if the app is deployed on // startup. if ("true".equals(opt(getHeader(bundle, "Webapp-Deploy"), "true"))) { deploy(webApp); } else { eventDispatcher.webEvent( new WebEvent( WebEvent.UNDEPLOYED, "/" + webApp.getContextName(), webApp.getBundle(), bundleContext.getBundle())); } } } catch (Exception ignore) { LOG.error("Could not parse web.xml", ignore); eventDispatcher.webEvent( new WebEvent( WebEvent.FAILED, "/" + contextName, bundle, bundleContext.getBundle(), ignore)); } finally { if (is != null) { try { is.close(); } catch (IOException ignore) { // just ignore } } } }