diff options
Diffstat (limited to 'java')
2 files changed, 163 insertions, 0 deletions
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
+ * <sca:reference name="service" type="test.MyService" scope="1" />
+ *
+ * @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
+ * <sca:reference name="service" type="test.MyService" scope="1" />
+ *
+ * @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;
+ }
+}
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