From cde3d2629677a07aa09e3c7fbe117b680c0f5df7 Mon Sep 17 00:00:00 2001 From: lresende Date: Wed, 11 Nov 2009 23:09:08 +0000 Subject: Moving 2.x branches git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835133 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/host/webapp/TuscanyServletFilter.java | 122 -------- .../sca/host/webapp/WebAppModuleActivator.java | 52 ---- .../sca/host/webapp/WebAppRequestDispatcher.java | 114 ------- .../tuscany/sca/host/webapp/WebAppServletHost.java | 336 --------------------- .../tuscany/sca/host/webapp/jsp/ReferenceTEI.java | 45 --- .../tuscany/sca/host/webapp/jsp/ReferenceTag.java | 118 -------- 6 files changed, 787 deletions(-) delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java delete mode 100644 branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java (limited to 'branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany') diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java deleted file mode 100644 index cb4369fc01..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp; - -import java.io.IOException; -import java.util.Collections; -import java.util.Enumeration; -import java.util.Map; -import java.util.WeakHashMap; - -import javax.servlet.Filter; -import javax.servlet.FilterConfig; -import javax.servlet.RequestDispatcher; -import javax.servlet.ServletConfig; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; -import javax.servlet.http.HttpServletRequest; - -import org.apache.tuscany.sca.host.http.ServletHost; - -/** - * A Servlet filter that forwards service requests to the Servlets registered with - * the Tuscany ServletHost. - * - * @version $Rev$ $Date$ - */ -public class TuscanyServletFilter implements Filter { - private static final long serialVersionUID = 1L; - //private static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName()); - - private static Map servletHosts = - Collections.synchronizedMap(new WeakHashMap()); - - // [REVIEW] Assume the filter class is per webapp - private static WebAppServletHost servletHost; - - // Test if the servletHost == null to know if the filter is called (webapp) - static ServletHost getServletHost() { - return servletHosts.get(Thread.currentThread().getContextClassLoader()); - } - - public void init(final FilterConfig config) throws ServletException { - // TODO: must be a better way to get this than using a static - servletHost = new WebAppServletHost(); - servletHosts.put(Thread.currentThread().getContextClassLoader(), servletHost); - - // Initialize the Servlet host - servletHost.init(new ServletConfig() { - public String getInitParameter(String name) { - return config.getInitParameter(name); - } - - public Enumeration getInitParameterNames() { - return config.getInitParameterNames(); - } - - public ServletContext getServletContext() { - return config.getServletContext(); - } - - public String getServletName() { - return config.getFilterName(); - } - }); - } - - public void destroy() { - if (servletHost != null) { - servletHost.destroy(); - servletHost = null; - servletHosts.remove(Thread.currentThread().getContextClassLoader()); - } - } - - public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain) - throws IOException, ServletException { - - // Get the Servlet path - HttpServletRequest httpRequest = (HttpServletRequest)request; - String path = httpRequest.getPathInfo(); - if (path == null) { - path = httpRequest.getServletPath(); - } - if (path == null) { - path = "/"; - } - - // Get a request dispatcher for the Servlet mapped to that path - RequestDispatcher dispatcher = servletHost.getRequestDispatcher(path); - if (dispatcher != null) { - - // Let the dispatcher forward the request to the Servlet - dispatcher.forward(request, response); - - } else { - - // Proceed down the filter chain - chain.doFilter(request, response); - - } - } - -} diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java deleted file mode 100644 index 88caa33f2a..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp; - -import java.util.List; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.ModuleActivator; -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; - -/** - * Activates the webapp host by registering the webapp ServletHost impl - * - * @version $Rev$ $Date$ - */ -public class WebAppModuleActivator implements ModuleActivator { - - public void start(ExtensionPointRegistry extensionPointRegistry) { - - ServletHostExtensionPoint servletHosts = - extensionPointRegistry.getExtensionPoint(ServletHostExtensionPoint.class); - - List hosts = servletHosts.getServletHosts(); - ServletHost host = TuscanyServletFilter.getServletHost(); - if (host != null) { - hosts.clear(); - hosts.add(host); - } - } - - public void stop(ExtensionPointRegistry registry) { - } - -} diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java deleted file mode 100644 index f14dfac58b..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp; - -import java.io.IOException; -import java.util.StringTokenizer; - -import javax.servlet.RequestDispatcher; -import javax.servlet.Servlet; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletRequestWrapper; - -/** - * A Servlet request dispatcher that can be used to delegate requests to a - * Servlet registered with the Webapp Servlet host. - * - * @version $Rev$ $Date$ - */ -class WebAppRequestDispatcher implements RequestDispatcher { - private String servletPath; - private Servlet servlet; - - public WebAppRequestDispatcher(String mapping, Servlet servlet) { - if (mapping.endsWith("*")) { - mapping = mapping.substring(0, mapping.length()-1); - } - if (mapping.endsWith("/")) { - mapping = mapping.substring(0, mapping.length()-1); - } - this.servletPath = mapping; - this.servlet = servlet; - } - - /** - * Returns a request wrapper which will return the correct Servlet path - * and path info. - * - * @param request - * @return - */ - private HttpServletRequest createRequestWrapper(ServletRequest request) { - HttpServletRequest requestWrapper = new HttpServletRequestWrapper((HttpServletRequest)request) { - - @Override - public String getServletPath() { - return servletPath; - } - - @Override - public String getPathInfo() { - String path = super.getServletPath(); - if (path.length() == 0) { - path = super.getPathInfo(); - } - - // TODO: another context path hack, revisit when context path is sorted out - path = fiddlePath(path, servletPath); - - return path; - } - }; - return requestWrapper; - } - - /** - * Remove any path suffix thats part of the Servlet context path - */ - protected String fiddlePath(String path, String servletPath) { - StringTokenizer st = new StringTokenizer(path, "/"); - if (st.countTokens() == 1) { - return path; - } - String root = ""; - while (st.hasMoreTokens()){ - String s = st.nextToken(); - if (servletPath.endsWith((root + "/" + s))) { - root += "/" + s; - } else { - break; - } - } - String fiddlePath = path.substring(root.length()); - return fiddlePath; - } - - public void forward(ServletRequest request, ServletResponse response) throws ServletException, IOException { - servlet.service(createRequestWrapper(request), response); - } - - public void include(ServletRequest request, ServletResponse response) throws ServletException, IOException { - servlet.service(createRequestWrapper(request), response); - } -} - diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java deleted file mode 100644 index 729810b0fb..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java +++ /dev/null @@ -1,336 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp; - -import java.io.File; -import java.lang.reflect.Method; -import java.net.InetAddress; -import java.net.MalformedURLException; -import java.net.URI; -import java.net.URL; -import java.net.UnknownHostException; -import java.util.Collections; -import java.util.HashMap; -import java.util.Map; -import java.util.logging.Logger; - -import javax.naming.InitialContext; -import javax.naming.NamingException; -import javax.servlet.RequestDispatcher; -import javax.servlet.Servlet; -import javax.servlet.ServletConfig; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; - -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.host.http.ServletMappingException; -import org.apache.tuscany.sca.node.Contribution; -import org.apache.tuscany.sca.node.Node; -import org.apache.tuscany.sca.node.NodeFactory; - -/** - * ServletHost implementation for use in a webapp environment. - * - * FIXME: using a static singleton seems a big hack but how should it be shared? - * Need some way for TuscanyServlet to pull it out. - * - * @version $Rev$ $Date$ - */ -public class WebAppServletHost implements ServletHost { - private static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName()); - - public static final String SCA_NODE_ATTRIBUTE = Node.class.getName(); - - private static final WebAppServletHost instance = new WebAppServletHost(); - - private Map servlets; - private Node node; - private String contextPath = "/"; - private int defaultPortNumber = 8080; - private String contributionRoot; - - private ServletContext servletContext; - - WebAppServletHost() { - servlets = new HashMap(); - } - - public void setDefaultPort(int port) { - defaultPortNumber = port; - } - - public int getDefaultPort() { - return defaultPortNumber; - } - - public void addServletMapping(String suri, Servlet servlet) throws ServletMappingException { - URI pathURI = URI.create(suri); - - // Make sure that the path starts with a / - suri = pathURI.getPath(); - if (!suri.startsWith("/")) { - suri = '/' + suri; - } - - if (!suri.startsWith(contextPath)) { - suri = contextPath + suri; - } - - // In a webapp just use the given path and ignore the host and port - // as they are fixed by the Web container - servlets.put(suri, servlet); - - logger.info("Added Servlet mapping: " + suri); - } - - public Servlet removeServletMapping(String suri) throws ServletMappingException { - URI pathURI = URI.create(suri); - - // Make sure that the path starts with a / - suri = pathURI.getPath(); - if (!suri.startsWith("/")) { - suri = '/' + suri; - } - - if (!suri.startsWith(contextPath)) { - suri = contextPath + suri; - } - - // In a webapp just use the given path and ignore the host and port - // as they are fixed by the Web container - return servlets.remove(suri); - } - - public Servlet getServletMapping(String suri) throws ServletMappingException { - if (!suri.startsWith("/")) { - suri = '/' + suri; - } - - if (!suri.startsWith(contextPath)) { - suri = contextPath + suri; - } - - // Get the Servlet mapped to the given path - Servlet servlet = servlets.get(suri); - return servlet; - } - - public URL getURLMapping(String suri) throws ServletMappingException { - URI uri = URI.create(suri); - - // Get the URI scheme and port - String scheme = uri.getScheme(); - if (scheme == null) { - scheme = "http"; - } - int portNumber = uri.getPort(); - if (portNumber == -1) { - portNumber = defaultPortNumber; - } - - // Get the host - String host; - try { - host = InetAddress.getLocalHost().getHostName(); - } catch (UnknownHostException e) { - host = "localhost"; - } - - // Construct the URL - String path = uri.getPath(); - if (!path.startsWith("/")) { - path = '/' + path; - } - - if (contextPath != null && !path.startsWith(contextPath)) { - path = contextPath + path; - } - - URL url; - try { - url = new URL(scheme, host, portNumber, path); - } catch (MalformedURLException e) { - throw new ServletMappingException(e); - } - return url; - } - - public RequestDispatcher getRequestDispatcher(String suri) throws ServletMappingException { - - // Make sure that the path starts with a / - if (!suri.startsWith("/")) { - suri = '/' + suri; - } - - suri = contextPath + suri; - - // Get the Servlet mapped to the given path - Servlet servlet = servlets.get(suri); - if (servlet != null) { - return new WebAppRequestDispatcher(suri, servlet); - } - - for (Map.Entry entry : servlets.entrySet()) { - String servletPath = entry.getKey(); - if (servletPath.endsWith("*")) { - servletPath = servletPath.substring(0, servletPath.length() - 1); - if (suri.startsWith(servletPath)) { - // entry key is contextPath/servletPath, WebAppRequestDispatcher only wants servletPath - return new WebAppRequestDispatcher(entry.getKey().substring(contextPath.length()), entry.getValue()); - } else { - if ((suri + "/").startsWith(servletPath)) { - return new WebAppRequestDispatcher(entry.getKey().substring(contextPath.length()), entry.getValue()); - } - } - } - } - - // No Servlet found - return null; - } - - public static WebAppServletHost getInstance() { - return instance; - } - - public void init(ServletConfig config) throws ServletException { - - servletContext = config.getServletContext(); - if (servletContext.getAttribute(SCA_NODE_ATTRIBUTE) == null) { - initContextPath(config); - contributionRoot = getContributionRoot(servletContext); - NodeFactory factory = NodeFactory.newInstance(); - node = factory.createNode(null, new Contribution(contributionRoot, contributionRoot)); - node.start(); - servletContext.setAttribute(SCA_NODE_ATTRIBUTE, node); - } - - // Initialize the registered Servlets - for (Servlet servlet : servlets.values()) { - servlet.init(config); - } - - } - - protected String getContributionRoot(ServletContext servletContext) { - String contributionRoot = null; - try { - - InitialContext ic = new InitialContext(); - URL repoURL = (URL)ic.lookup("java:comp/env/url/contributions"); - - contributionRoot = repoURL.toString(); - - } catch (NamingException e) { - - // ignore exception and use default location - - try { - - String root = servletContext.getInitParameter("contributionRoot"); - if (root == null || root.length() < 1) { - root = "/"; - } - URL rootURL = servletContext.getResource(root); - if (rootURL.getProtocol().equals("jndi")) { - //this is Tomcat case, we should use getRealPath - File warRootFile = new File(servletContext.getRealPath(root)); - contributionRoot = warRootFile.toURI().toString(); - } else { - //this is Jetty case - contributionRoot = rootURL.toString(); - } - - } catch (MalformedURLException mf) { - //ignore, pass null - } - } - - return contributionRoot; - } - - /** - * Initializes the contextPath - * The 2.5 Servlet API has a getter for this, for pre 2.5 Servlet - * containers use an init parameter. - */ - @SuppressWarnings("unchecked") - public void initContextPath(ServletConfig config) { - - if (Collections.list(config.getInitParameterNames()).contains("contextPath")) { - contextPath = config.getInitParameter("contextPath"); - } else { - // The getContextPath() is introduced since Servlet 2.5 - ServletContext context = config.getServletContext(); - try { - // Try to get the method anyway since some ServletContext impl has this method even before 2.5 - Method m = context.getClass().getMethod("getContextPath", new Class[] {}); - contextPath = (String)m.invoke(context, new Object[] {}); - } catch (Exception e) { - logger.warning("Servlet level is: " + context.getMajorVersion() + "." + context.getMinorVersion()); - throw new IllegalStateException("'contextPath' init parameter must be set for pre-2.5 servlet container"); - } - } - - logger.info("ContextPath: " + contextPath); - } - - void destroy() { - - // Destroy the registered Servlets - for (Servlet servlet : servlets.values()) { - servlet.destroy(); - } - - // Close the SCA domain - if (node != null) { - node.stop(); - } - } - - public String getContextPath() { - return contextPath; - } - - public void setContextPath(String path) { - // if (!contextPath.equals(path)) { - // throw new IllegalArgumentException("invalid context path for webapp, existing context path: " + contextPath + " new contextPath: " + path); - // } - } - - /** - * TODO: How context paths work is still up in the air so for now - * this hacks in a path that gets some samples working - * can't use setContextPath as NodeImpl calls that later - */ - public void setContextPath2(String path) { - if (path != null && path.length() > 0) { - this.contextPath = path; - } - } - - public String getContributionRoot() { - return contributionRoot; - } - - public void setAttribute(String name, Object value) { - servletContext.setAttribute(name, value); - } -} diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java deleted file mode 100644 index 6e1b187a48..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp.jsp; - -import javax.servlet.jsp.tagext.TagData; -import javax.servlet.jsp.tagext.TagExtraInfo; -import javax.servlet.jsp.tagext.VariableInfo; - -/** - * TagExtraInfo class for the SCA reference tags - * - * - * @version $Rev$ $Date$ - */ -public class ReferenceTEI extends TagExtraInfo { - - @Override - public VariableInfo[] getVariableInfo(TagData data) { - VariableInfo info1 - = new VariableInfo( - data.getAttributeString("name"), - data.getAttributeString("type"), - true, - VariableInfo.AT_END); - VariableInfo[] info = { info1 } ; - return info; - } -} diff --git a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java b/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java deleted file mode 100644 index 704f45b706..0000000000 --- a/branches/sca-equinox/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.host.webapp.jsp; - -import javax.servlet.ServletContext; -import javax.servlet.ServletException; -import javax.servlet.jsp.JspException; -import javax.servlet.jsp.PageContext; -import javax.servlet.jsp.tagext.TagSupport; - -import org.apache.tuscany.sca.host.webapp.WebAppServletHost; -import org.apache.tuscany.sca.node.Node; -import org.osoa.sca.ComponentContext; - -/** - * Tag to handle SCA references - * - * - * @version $Rev$ $Date$ - */ -public class ReferenceTag extends TagSupport { - private static final long serialVersionUID = 1L; - - protected String name; - protected String type; - protected Integer scope = PageContext.PAGE_SCOPE; - - @Override - public int doStartTag() throws JspException { - return SKIP_BODY; - } - - @Override - public int doEndTag() throws JspException { - - try { - WebAppServletHost.getInstance().init(pageContext.getServletConfig()); - } catch (ServletException e) { - throw new JspException("Exception initializing Tuscany webapp: " + e, e); - } - - ServletContext servletContext = pageContext.getServletContext(); - ComponentContext componentContext = (ComponentContext)servletContext.getAttribute("org.osoa.sca.ComponentContext"); - Node scaDomain = null; - if (componentContext == null) { - scaDomain = (Node)servletContext.getAttribute(WebAppServletHost.SCA_NODE_ATTRIBUTE); - if (scaDomain == null) { - throw new JspException("SCADomain is null. Check Tuscany configuration in web.xml"); - } - } - - Class typeClass; - try { - typeClass = Class.forName(type, true, Thread.currentThread().getContextClassLoader()); - } catch (ClassNotFoundException e) { - throw new JspException("Reference '" + name + "' type class not found: " + type); - } - - Object o; - try { - if (componentContext != null) { - o = componentContext.getService(typeClass, name); - } else { - o = scaDomain.getService(typeClass, name); - } - } catch (Exception e) { - throw new JspException("Exception getting service for reference'" + name + "': " + e, e); - } - if (o == null) { - throw new JspException("Reference '" + name + "' not found"); - } - - pageContext.setAttribute(name, o, scope); - - return EVAL_PAGE; - } - - public String getName() { - return name; - } - - public void setName(String name) { - this.name = name; - } - - public Integer getScope() { - return scope; - } - - public void setScope(Integer scope) { - this.scope = scope; - } - - public String getType() { - return type; - } - - public void setType(String type) { - this.type = type; - } -} -- cgit v1.2.3