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package org.mule.transport.servlet.jetty; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleRuntimeException; |
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import org.mule.api.config.MuleProperties; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.context.notification.MuleContextNotificationListener; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.lifecycle.LifecycleException; |
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import org.mule.api.transport.MessageReceiver; |
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import org.mule.api.transport.ReplyToHandler; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.context.notification.MuleContextNotification; |
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import org.mule.context.notification.NotificationException; |
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import org.mule.transport.AbstractConnector; |
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import org.mule.transport.servlet.JarResourceServlet; |
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import org.mule.transport.servlet.MuleReceiverServlet; |
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import org.mule.transport.servlet.MuleServletContextListener; |
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import org.mule.util.IOUtils; |
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import org.mule.util.StringUtils; |
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import java.io.InputStream; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import javax.servlet.Servlet; |
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import javax.servlet.http.HttpServlet; |
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import org.mortbay.jetty.Connector; |
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import org.mortbay.jetty.Server; |
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import org.mortbay.jetty.handler.ContextHandlerCollection; |
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import org.mortbay.jetty.nio.SelectChannelConnector; |
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import org.mortbay.jetty.servlet.Context; |
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import org.mortbay.jetty.servlet.ServletHolder; |
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import org.mortbay.xml.XmlConfiguration; |
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public class JettyHttpConnector extends AbstractConnector |
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{ |
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public static final String RESOURCE_BASE_PROPERTY = "resourceBase"; |
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public static final String ROOT = "/"; |
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public static final String JETTY = "jetty"; |
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|
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private Server httpServer; |
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private String configFile; |
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|
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private JettyReceiverServlet receiverServlet; |
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|
70 | 0 | private boolean useContinuations = false; |
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|
72 | 0 | protected HashMap<String, ConnectorHolder> holders = new HashMap<String, ConnectorHolder>(); |
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|
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public JettyHttpConnector(MuleContext context) |
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{ |
76 | 0 | super(context); |
77 | 0 | registerSupportedProtocol("http"); |
78 | 0 | registerSupportedProtocol(JETTY); |
79 | 0 | setInitialStateStopped(true); |
80 | 0 | } |
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|
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public String getProtocol() |
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{ |
84 | 0 | return JETTY; |
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} |
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|
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@Override |
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protected void doInitialise() throws InitialisationException |
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{ |
90 | 0 | httpServer = new Server(); |
91 | 0 | initialiseFromConfigFile(); |
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|
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try |
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{ |
95 | 0 | muleContext.registerListener(new MuleContextNotificationListener<MuleContextNotification>(){ |
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public void onNotification(MuleContextNotification notification) |
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{ |
98 | 0 | if (notification.getAction() == MuleContextNotification.CONTEXT_STARTED) |
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{ |
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|
101 | 0 | setInitialStateStopped(false); |
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try |
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{ |
104 | 0 | start(); |
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} |
106 | 0 | catch (MuleException e) |
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{ |
108 | 0 | throw new MuleRuntimeException(CoreMessages.failedToStart(getName()), e); |
109 | 0 | } |
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} |
111 | 0 | } |
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}); |
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} |
114 | 0 | catch (NotificationException e) |
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{ |
116 | 0 | throw new InitialisationException(e, this); |
117 | 0 | } |
118 | 0 | } |
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|
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@SuppressWarnings("unchecked") |
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protected void initialiseFromConfigFile() throws InitialisationException |
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{ |
123 | 0 | if (configFile != null) |
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{ |
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try |
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{ |
127 | 0 | InputStream is = IOUtils.getResourceAsStream(configFile, getClass()); |
128 | 0 | XmlConfiguration config = new XmlConfiguration(is); |
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|
130 | 0 | String appHome = |
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muleContext.getRegistry().lookupObject(MuleProperties.APP_HOME_DIRECTORY_PROPERTY); |
132 | 0 | if (appHome == null) |
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{ |
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|
135 | 0 | appHome = System.getProperty(MuleProperties.APP_HOME_DIRECTORY_PROPERTY); |
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} |
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|
138 | 0 | if (appHome != null) |
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{ |
140 | 0 | config.getProperties().put(MuleProperties.APP_HOME_DIRECTORY_PROPERTY, appHome); |
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} |
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|
143 | 0 | config.configure(httpServer); |
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} |
145 | 0 | catch (Exception e) |
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{ |
147 | 0 | throw new InitialisationException(e, this); |
148 | 0 | } |
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} |
150 | 0 | } |
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@Override |
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protected void doDispose() |
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{ |
159 | 0 | holders.clear(); |
160 | 0 | } |
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|
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@Override |
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protected void doStart() throws MuleException |
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{ |
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try |
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{ |
167 | 0 | httpServer.start(); |
168 | 0 | for (ConnectorHolder<?, ?> contextHolder : holders.values()) |
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{ |
170 | 0 | contextHolder.start(); |
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} |
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} |
173 | 0 | catch (Exception e) |
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{ |
175 | 0 | throw new LifecycleException(CoreMessages.failedToStart("Jetty Http Receiver"), e, this); |
176 | 0 | } |
177 | 0 | } |
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|
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@Override |
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protected void doStop() throws MuleException |
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{ |
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try |
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{ |
184 | 0 | httpServer.stop(); |
185 | 0 | for (ConnectorHolder<?, ?> connectorRef : holders.values()) |
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{ |
187 | 0 | connectorRef.stop(); |
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} |
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} |
190 | 0 | catch (Exception e) |
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{ |
192 | 0 | throw new LifecycleException(CoreMessages.failedToStop("Jetty Http Receiver"), e, this); |
193 | 0 | } |
194 | 0 | } |
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@Override |
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protected void doConnect() throws Exception |
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{ |
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|
205 | 0 | } |
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@Override |
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protected void doDisconnect() throws Exception |
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{ |
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|
217 | 0 | } |
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|
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@Override |
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protected MessageReceiver createReceiver(FlowConstruct flowConstruct, InboundEndpoint endpoint) throws Exception |
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{ |
222 | 0 | MessageReceiver receiver = super.createReceiver(flowConstruct, endpoint); |
223 | 0 | registerJettyEndpoint(receiver, endpoint); |
224 | 0 | return receiver; |
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} |
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protected org.mortbay.jetty.AbstractConnector createJettyConnector() |
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{ |
229 | 0 | return new SelectChannelConnector(); |
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} |
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|
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public void unregisterListener(MessageReceiver receiver) throws MuleException |
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{ |
234 | 0 | String connectorKey = getHolderKey(receiver.getEndpoint()); |
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|
236 | 0 | synchronized (this) |
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{ |
238 | 0 | ConnectorHolder connectorRef = holders.get(connectorKey); |
239 | 0 | if (connectorRef != null) |
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{ |
241 | 0 | if (!connectorRef.isReferenced()) |
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{ |
243 | 0 | getHttpServer().removeConnector(connectorRef.getConnector()); |
244 | 0 | holders.remove(connectorKey); |
245 | 0 | connectorRef.stop(); |
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} |
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} |
248 | 0 | } |
249 | 0 | } |
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|
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public Server getHttpServer() |
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{ |
253 | 0 | return httpServer; |
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} |
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public String getConfigFile() |
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{ |
258 | 0 | return configFile; |
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} |
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public void setConfigFile(String configFile) |
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{ |
263 | 0 | this.configFile = configFile; |
264 | 0 | } |
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|
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public JettyReceiverServlet getReceiverServlet() |
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{ |
268 | 0 | return receiverServlet; |
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} |
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public void setReceiverServlet(JettyReceiverServlet receiverServlet) |
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{ |
273 | 0 | this.receiverServlet = receiverServlet; |
274 | 0 | } |
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|
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@Override |
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public ReplyToHandler getReplyToHandler(ImmutableEndpoint endpoint) |
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{ |
279 | 0 | if (isUseContinuations()) |
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{ |
281 | 0 | return new JettyContinuationsReplyToHandler(getDefaultResponseTransformers(endpoint), muleContext); |
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} |
283 | 0 | return super.getReplyToHandler(endpoint); |
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} |
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|
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public boolean isUseContinuations() |
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{ |
288 | 0 | return useContinuations; |
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} |
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|
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public void setUseContinuations(boolean useContinuations) |
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{ |
293 | 0 | this.useContinuations = useContinuations; |
294 | 0 | } |
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|
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ConnectorHolder<? extends MuleReceiverServlet, ? extends JettyHttpMessageReceiver> registerJettyEndpoint(MessageReceiver receiver, InboundEndpoint endpoint) throws MuleException |
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{ |
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|
299 | 0 | String connectorKey = getHolderKey(endpoint); |
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|
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ConnectorHolder holder; |
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|
303 | 0 | synchronized (this) |
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{ |
305 | 0 | holder = holders.get(connectorKey); |
306 | 0 | if (holder == null) |
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{ |
308 | 0 | Connector connector = createJettyConnector(); |
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|
310 | 0 | connector.setPort(endpoint.getEndpointURI().getPort()); |
311 | 0 | connector.setHost(endpoint.getEndpointURI().getHost()); |
312 | 0 | if ("localhost".equalsIgnoreCase(endpoint.getEndpointURI().getHost())) |
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{ |
314 | 0 | logger.warn("You use localhost interface! It means that no external connections will be available." |
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+ " Don't you want to use 0.0.0.0 instead (all network interfaces)?"); |
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} |
317 | 0 | getHttpServer().addConnector(connector); |
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|
319 | 0 | holder = createContextHolder(connector, receiver.getEndpoint(), receiver); |
320 | 0 | holders.put(connectorKey, holder); |
321 | 0 | if(isStarted()) |
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{ |
323 | 0 | holder.start(); |
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} |
325 | 0 | } |
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else |
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{ |
328 | 0 | holder.addReceiver(receiver); |
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} |
330 | 0 | } |
331 | 0 | return holder; |
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} |
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|
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protected ConnectorHolder createContextHolder(Connector connector, InboundEndpoint endpoint, MessageReceiver receiver) |
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{ |
336 | 0 | return new MuleReceiverConnectorHolder(connector, (JettyReceiverServlet) createServlet(connector, endpoint), (JettyHttpMessageReceiver)receiver); |
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} |
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|
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protected Servlet createServlet(Connector connector, ImmutableEndpoint endpoint) |
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{ |
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HttpServlet servlet; |
342 | 0 | if (getReceiverServlet() == null) |
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{ |
344 | 0 | if(isUseContinuations()) |
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{ |
346 | 0 | servlet = new JettyContinuationsReceiverServlet(); |
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} |
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else |
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{ |
350 | 0 | servlet = new JettyReceiverServlet(); |
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} |
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} |
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else |
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{ |
355 | 0 | servlet = getReceiverServlet(); |
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} |
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|
358 | 0 | String path = endpoint.getEndpointURI().getPath(); |
359 | 0 | if(StringUtils.isBlank(path)) |
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{ |
361 | 0 | path = ROOT; |
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} |
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|
364 | 0 | ContextHandlerCollection handlerCollection = new ContextHandlerCollection(); |
365 | 0 | Context context = new Context(handlerCollection, ROOT, Context.NO_SECURITY); |
366 | 0 | context.setConnectorNames(new String[]{connector.getName()}); |
367 | 0 | context.addEventListener(new MuleServletContextListener(muleContext, getName())); |
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|
369 | 0 | String resourceBase = (String)endpoint.getProperty(RESOURCE_BASE_PROPERTY); |
370 | 0 | if(resourceBase!=null) |
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{ |
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|
373 | 0 | Context resourceContext = new Context(handlerCollection, path, Context.NO_SECURITY); |
374 | 0 | resourceContext.setResourceBase(resourceBase); |
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} |
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|
377 | 0 | context.addServlet(JarResourceServlet.class, JarResourceServlet.DEFAULT_PATH_SPEC); |
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|
379 | 0 | ServletHolder holder = new ServletHolder(); |
380 | 0 | holder.setServlet(servlet); |
381 | 0 | context.addServlet(holder, "/*"); |
382 | 0 | getHttpServer().addHandler(handlerCollection); |
383 | 0 | return servlet; |
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} |
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|
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protected String getHolderKey(ImmutableEndpoint endpoint) |
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{ |
388 | 0 | return endpoint.getProtocol() + ":" + endpoint.getEndpointURI().getHost() + ":" + endpoint.getEndpointURI().getPort(); |
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} |
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|
391 | 0 | public class MuleReceiverConnectorHolder extends AbstractConnectorHolder<JettyReceiverServlet, JettyHttpMessageReceiver> |
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{ |
393 | 0 | List<MessageReceiver> messageReceivers = new ArrayList<MessageReceiver>(); |
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|
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public MuleReceiverConnectorHolder(Connector connector, JettyReceiverServlet servlet, JettyHttpMessageReceiver receiver) |
396 | 0 | { |
397 | 0 | super(connector, servlet, receiver); |
398 | 0 | addReceiver(receiver); |
399 | 0 | } |
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|
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public boolean isReferenced() |
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{ |
403 | 0 | return messageReceivers.size() > 0; |
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} |
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|
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public void addReceiver(JettyHttpMessageReceiver receiver) |
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{ |
408 | 0 | messageReceivers.add(receiver); |
409 | 0 | if(started) |
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{ |
411 | 0 | getServlet().addReceiver(receiver); |
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} |
413 | 0 | } |
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|
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public void removeReceiver(JettyHttpMessageReceiver receiver) |
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{ |
417 | 0 | messageReceivers.remove(receiver); |
418 | 0 | getServlet().removeReceiver(receiver); |
419 | 0 | } |
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|
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@Override |
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public void start() throws MuleException |
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{ |
424 | 0 | super.start(); |
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|
426 | 0 | for (MessageReceiver receiver : messageReceivers) |
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{ |
428 | 0 | servlet.addReceiver(receiver); |
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} |
430 | 0 | } |
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|
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@Override |
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public void stop() throws MuleException |
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{ |
435 | 0 | super.stop(); |
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|
437 | 0 | for (MessageReceiver receiver : messageReceivers) |
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{ |
439 | 0 | servlet.removeReceiver(receiver); |
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} |
441 | 0 | } |
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} |
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} |