From 41ed22d47e31800daec8585c5f60384e258b7b79 Mon Sep 17 00:00:00 2001 From: antelder Date: Wed, 18 Feb 2009 11:34:51 +0000 Subject: Add jsp taglib files left off previous commit git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@745478 13f79535-47bb-0310-9956-ffa450edef68 --- .../web/runtime/jsp/ReferenceTEI.java | 45 ++++++++ .../web/runtime/jsp/ReferenceTag.java | 118 +++++++++++++++++++++ 2 files changed, 163 insertions(+) create mode 100644 java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTEI.java create mode 100644 java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTag.java diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTEI.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTEI.java new file mode 100644 index 0000000000..95d082a3b4 --- /dev/null +++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTEI.java @@ -0,0 +1,45 @@ +/* + * 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.implementation.web.runtime.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: 685532 $ $Date: 2008-08-13 14:03:50 +0100 (Wed, 13 Aug 2008) $ + */ +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/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTag.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTag.java new file mode 100644 index 0000000000..e56da99921 --- /dev/null +++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/jsp/ReferenceTag.java @@ -0,0 +1,118 @@ +/* + * 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.implementation.web.runtime.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.oasisopen.sca.ComponentContext; + +/** + * Tag to handle SCA references + * + * + * @version $Rev: 738490 $ $Date: 2009-01-28 14:07:54 +0000 (Wed, 28 Jan 2009) $ + */ +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.oasisopen.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