[seam-commits] Seam SVN: r11761 - in modules/remoting/trunk/src/main/java/org/jboss/seam/remoting: model and 1 other directory.

Author: shane.bryzak(a)jboss.com Date: 2009-12-06 15:35:02 -0500 (Sun, 06 Dec 2009) New Revision: 11761 Added: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/model/ModelHandler.java Modified: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/ExecutionHandler.java modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/Remoting.java modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestContext.java modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestHandler.java Log: added model handler Modified: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/ExecutionHandler.java =================================================================== --- modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/ExecutionHandler.java 2009-12-06 13:24:44 UTC (rev 11760) +++ modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/ExecutionHandler.java 2009-12-06 20:35:02 UTC (rev 11761) @@ -18,6 +18,7 @@ import org.dom4j.Element; import org.dom4j.io.SAXReader; import org.jboss.seam.remoting.wrapper.Wrapper; +import org.jboss.weld.conversation.ConversationManager; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -29,29 +30,17 @@ */ public class ExecutionHandler implements RequestHandler { - private static final Logger log = LoggerFactory - .getLogger(ExecutionHandler.class); + private static final Logger log = LoggerFactory.getLogger(ExecutionHandler.class); - private static final byte[] HEADER_OPEN = "<header>".getBytes(); - private static final byte[] HEADER_CLOSE = "</header>".getBytes(); - private static final byte[] CONVERSATION_ID_TAG_OPEN = "<conversationId>" - .getBytes(); - private static final byte[] CONVERSATION_ID_TAG_CLOSE = "</conversationId>" - .getBytes(); - - private static final byte[] CONTEXT_TAG_OPEN = "<context>".getBytes(); - private static final byte[] CONTEXT_TAG_CLOSE = "</context>".getBytes(); - @Inject BeanManager beanManager; + @Inject ConversationManager conversationManager; @Inject Conversation conversation; /** * The entry point for handling a request. * - * @param request - * HttpServletRequest - * @param response - * HttpServletResponse + * @param request HttpServletRequest + * @param response HttpServletResponse * @throws Exception */ public void handle(HttpServletRequest request, @@ -78,12 +67,12 @@ SAXReader xmlReader = new SAXReader(); Document doc = xmlReader.read(new StringReader(requestData)); final Element env = doc.getRootElement(); - final RequestContext ctx = unmarshalContext(env); + final RequestContext ctx = new RequestContext(env.element("header")); if (!ctx.getConversationId().isEmpty()) { - // TODO restore the conversation if there is a conversation ID in the context - //conversation. + // this is non portable ;/ + conversationManager.beginOrRestoreConversation(ctx.getConversationId()); } // Extract the calls from the request @@ -103,35 +92,6 @@ } /** - * Unmarshals the context from the request envelope header. - * - * @param env - * Element - * @return RequestContext - */ - private RequestContext unmarshalContext(Element env) - { - RequestContext ctx = new RequestContext(); - - Element header = env.element("header"); - if (header != null) - { - Element context = header.element("context"); - if (context != null) - { - - Element convId = context.element("conversationId"); - if (convId != null) - { - ctx.setConversationId(convId.getText()); - } - } - } - - return ctx; - } - - /** * Unmarshal the request into a list of Calls. * * @param env Modified: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/Remoting.java =================================================================== --- modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/Remoting.java 2009-12-06 13:24:44 UTC (rev 11760) +++ modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/Remoting.java 2009-12-06 20:35:02 UTC (rev 11761) @@ -33,9 +33,11 @@ //private static final String REQUEST_PATH_SUBSCRIPTION = "/subscription"; //private static final String REQUEST_PATH_POLL = "/poll"; private static final String REQUEST_PATH_INTERFACE = "/interface.js"; + private static final String REQUEST_PATH_MODEL = "/model"; @Inject Instance<ExecutionHandler> executionHandlerInstance; @Inject Instance<InterfaceGenerator> interfaceHandlerInstance; + @Inject Instance<ModelHandler> modelHandlerInstance; public static final int DEFAULT_POLL_TIMEOUT = 10; // 10 seconds public static final int DEFAULT_POLL_INTERVAL = 1; // 1 second @@ -214,6 +216,10 @@ { interfaceHandlerInstance.get().handle(request, response); } + else if (REQUEST_PATH_MODEL.equals(pathInfo)) + { + modelHandlerInstance.get().handle(request, response); + } else { Matcher m = pathPattern.matcher(pathInfo); Modified: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestContext.java =================================================================== --- modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestContext.java 2009-12-06 13:24:44 UTC (rev 11760) +++ modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestContext.java 2009-12-06 20:35:02 UTC (rev 11761) @@ -1,11 +1,29 @@ package org.jboss.seam.remoting; +import org.dom4j.Element; + /** * * @author Shane Bryzak */ public class RequestContext { + public RequestContext(Element header) + { + if (header != null) + { + Element context = header.element("context"); + if (context != null) + { + Element convId = context.element("conversationId"); + if (convId != null) + { + setConversationId(convId.getText()); + } + } + } + } + private String conversationId; public String getConversationId() Modified: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestHandler.java =================================================================== --- modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestHandler.java 2009-12-06 13:24:44 UTC (rev 11760) +++ modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/RequestHandler.java 2009-12-06 20:35:02 UTC (rev 11761) @@ -18,7 +18,18 @@ static final byte[] REF_TAG_OPEN_START = "<ref id=\"".getBytes(); static final byte[] REF_TAG_OPEN_END = "\">".getBytes(); static final byte[] REF_TAG_CLOSE = "</ref>".getBytes(); + + + static final byte[] HEADER_OPEN = "<header>".getBytes(); + static final byte[] HEADER_CLOSE = "</header>".getBytes(); + static final byte[] CONVERSATION_ID_TAG_OPEN = "<conversationId>" + .getBytes(); + static final byte[] CONVERSATION_ID_TAG_CLOSE = "</conversationId>" + .getBytes(); + static final byte[] CONTEXT_TAG_OPEN = "<context>".getBytes(); + static final byte[] CONTEXT_TAG_CLOSE = "</context>".getBytes(); + void handle(HttpServletRequest request, HttpServletResponse response) throws Exception; } Added: modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/model/ModelHandler.java =================================================================== --- modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/model/ModelHandler.java (rev 0) +++ modules/remoting/trunk/src/main/java/org/jboss/seam/remoting/model/ModelHandler.java 2009-12-06 20:35:02 UTC (rev 11761) @@ -0,0 +1,116 @@ +package org.jboss.seam.remoting.model; + +import java.io.ByteArrayOutputStream; +import java.io.StringReader; +import java.util.Iterator; + +import javax.enterprise.context.Conversation; +import javax.enterprise.inject.spi.BeanManager; +import javax.inject.Inject; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.dom4j.Document; +import org.dom4j.Element; +import org.dom4j.io.SAXReader; +import org.jboss.seam.remoting.Call; +import org.jboss.seam.remoting.RequestContext; +import org.jboss.seam.remoting.RequestHandler; +import org.jboss.seam.remoting.wrapper.Wrapper; +import org.jboss.weld.conversation.ConversationManager; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ModelHandler implements RequestHandler +{ + private static final Logger log = LoggerFactory.getLogger(ModelHandler.class); + + @Inject BeanManager beanManager; + @Inject ConversationManager conversationManager; + @Inject Conversation conversation; + @Inject ModelRegistry registry; + + public void handle(HttpServletRequest request, HttpServletResponse response) + throws Exception + { + response.setContentType("text/xml"); + + ByteArrayOutputStream out = new ByteArrayOutputStream(); + + byte[] buffer = new byte[256]; + int read = request.getInputStream().read(buffer); + while (read != -1) + { + out.write(buffer, 0, read); + read = request.getInputStream().read(buffer); + } + + String requestData = new String(out.toByteArray()); + log.debug("Processing model request: " + requestData); + + SAXReader xmlReader = new SAXReader(); + Document doc = xmlReader.read(new StringReader(requestData)); + final Element env = doc.getRootElement(); + final RequestContext ctx = new RequestContext(env.element("header")); + + if (!ctx.getConversationId().isEmpty()) + { + conversationManager.beginOrRestoreConversation(ctx.getConversationId()); + } + + Element modelElement = env.element("body").element("model"); + + String operation = modelElement.attributeValue("operation"); + String id = modelElement.attributeValue("id"); + + if ("fetch".equals(operation)) + { + Call action = null; + if (modelElement.elements("action").size() > 0) + { + Element actionElement = modelElement.element("action"); + Element targetElement = actionElement.element("target"); + Element qualifiersElement = actionElement.element("qualifiers"); + Element methodElement = actionElement.element("method"); + Element paramsElement = actionElement.element("params"); + action = new Call(beanManager, id, targetElement.getTextTrim(), + qualifiersElement.getTextTrim(), methodElement.getTextTrim()); + + Element refsNode = modelElement.element("refs"); + + Iterator<?> iter = refsNode.elementIterator("ref"); + while (iter.hasNext()) + { + action.getContext().createWrapperFromElement((Element) iter.next()); + } + + for (Wrapper w : action.getContext().getInRefs().values()) + { + w.unmarshal(); + } + + iter = paramsElement.elementIterator("param"); + while (iter.hasNext()) + { + Element param = (Element) iter.next(); + + action.addParameter(action.getContext().createWrapperFromElement( + (Element) param.elementIterator().next())); + } + } + + // Unmarshal beans + + // Unmarshal expressions + + if (action != null) + { + action.execute(); + } + + } + + // Store the conversation ID in the outgoing context + ctx.setConversationId(conversation.getId()); + } +}