diff options
Diffstat (limited to 'branches/sca-java-1.3/modules/implementation-web/src/main/java')
9 files changed, 503 insertions, 0 deletions
diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java new file mode 100644 index 0000000000..3b104d7c93 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java @@ -0,0 +1,97 @@ +/* + * 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; + +import java.io.IOException; +import java.io.OutputStream; +import java.io.UnsupportedEncodingException; + +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.assembly.ComponentReference; + +/** + * Servlet that handles the GET request for the componentContext.js script + * + * The script is generated by calling ScriptProcessors to output the code + * for the SCA references, properties etc. + */ +public class ComponentContextServlet extends HttpServlet { + private static final long serialVersionUID = 1L; + + protected static final String HEADER = "/** --- Apache Tuscany componentContext.js --- */\n"; + protected static final String FOOTER = "/** --- Apache Tuscany componentContext.js EOF --- */\n"; + + public static final String COMPONENT_CONTEXT_SCRIPT_URI = "org.apache.tuscany.sca.componentContext.js"; + + @Override + public void doGet(HttpServletRequest req, HttpServletResponse response) throws IOException { + response.setContentType("text/plain;charset=utf-8"); + OutputStream out = response.getOutputStream(); + + doScriptInit(out); + + doScriptReferences(out); + + out.write(FOOTER.getBytes("UTF-8")); + + out.flush(); + out.close(); + } + + /** + * Calls each ContextScriptProcessor once to insert any required initilization code into componentContext.js + */ + protected void doScriptInit(OutputStream out) throws IOException, UnsupportedEncodingException { + out.write(HEADER.getBytes("UTF-8")); + + for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) { + csp.scriptInit(out); + } + } + + /** + * Calls each ContextScriptProcessor for each SCA reference to insert code for the reference into componentContext.js + */ + protected void doScriptReferences(OutputStream out) throws IOException, UnsupportedEncodingException { + + out.write("// SCA References\n".getBytes("UTF-8")); + + for (ComponentReference cr : WebSingleton.INSTANCE.getRuntimeComponent().getReferences()) { + String ref = "// SCA Reference " + cr.getName() + "\n"; + out.write(ref.getBytes("UTF-8")); + for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) { + csp.scriptReference(cr, out); + } + } + + out.write("\n// SCA References end.\n".getBytes("UTF-8")); + } + + /** + * Calls each ContextScriptProcessor for each SCA property to insert code for the property into componentContext.js + */ + protected void doScriptProperties(OutputStream out) throws IOException, UnsupportedEncodingException { + // TODO: support properties + } + +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java new file mode 100644 index 0000000000..28157feba5 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java @@ -0,0 +1,29 @@ +/* + * 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; + +import java.io.OutputStream; + +import org.apache.tuscany.sca.assembly.ComponentReference; + +public interface ContextScriptProcessor { + void scriptInit(OutputStream out); + void scriptReference(ComponentReference cr, OutputStream out); +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java new file mode 100644 index 0000000000..6d3f590309 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java @@ -0,0 +1,27 @@ +/* + * 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; + + +public interface ContextScriptProcessorExtensionPoint { + + void addContextScriptProcessor(ContextScriptProcessor csp); + +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java new file mode 100644 index 0000000000..49124331df --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java @@ -0,0 +1,29 @@ +/* + * 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; + + +public class DefaultContextScriptProcessorExtensionPoint implements ContextScriptProcessorExtensionPoint { + + public void addContextScriptProcessor(ContextScriptProcessor csp) { + WebSingleton.INSTANCE.addContextScriptProcessor(csp); + } + +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java new file mode 100644 index 0000000000..36d564a697 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java @@ -0,0 +1,36 @@ +/* + * 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; + + +/** + * Represents a Script implementation. + */ +public class WebImplementation { + + protected String war; + + public String getWar() { + return war; + } + + public void setWar(String war) { + this.war = war; + } +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java new file mode 100644 index 0000000000..dd3c2e4c94 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java @@ -0,0 +1,67 @@ +/* + * 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; + +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.extension.helper.ImplementationActivator; +import org.apache.tuscany.sca.extension.helper.InvokerFactory; +import org.apache.tuscany.sca.extension.helper.utils.PropertyValueObjectFactory; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +import static org.apache.tuscany.sca.implementation.web.ComponentContextServlet.COMPONENT_CONTEXT_SCRIPT_URI; + +public class WebImplementationActivator implements ImplementationActivator<WebImplementation> { + + protected ServletHost servletHost; + // TODO: seems wrong to need PropertyValueObjectFactory, could it be on Property somehow? + protected PropertyValueObjectFactory propertyFactory; + + public WebImplementationActivator(ServletHost servletHost, PropertyValueObjectFactory propertyFactory) { + this.servletHost = servletHost; + this.propertyFactory = propertyFactory; + } + + public Class<WebImplementation> getImplementationClass() { + return WebImplementation.class; + } + + public InvokerFactory createInvokerFactory(RuntimeComponent rc, ComponentType ct, WebImplementation implementation) { + + initServlet(servletHost); + + WebSingleton.INSTANCE.setRuntimeComponent(rc); + + return new InvokerFactory() { + public Invoker createInvoker(Operation arg0) { + throw new IllegalStateException("can't invoke an implementation.web component"); + } + }; + } + + private void initServlet(ServletHost servletHost) { + if (servletHost.getServletMapping(COMPONENT_CONTEXT_SCRIPT_URI) == null) { + servletHost.addServletMapping(COMPONENT_CONTEXT_SCRIPT_URI, new ComponentContextServlet()); + } + } + +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java new file mode 100644 index 0000000000..5fcf2a2799 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java @@ -0,0 +1,73 @@ +/* + * 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; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Singleton instance to share data between the ModuleActivator, + * ContextScriptProcessorExtensionPoint, and Taglib tags. + * + * TODO: find a way to share the data without needing a singleton + */ +public class WebSingleton { + + private List<ContextScriptProcessor> contextScriptProcessors = new ArrayList<ContextScriptProcessor>(); + private RuntimeComponent runtimeComponent; + + public static final WebSingleton INSTANCE = new WebSingleton(); + private WebSingleton() { + } + + public ComponentReference getComponentReference(String name) { + if (runtimeComponent == null) { + throw new IllegalStateException("RuntimeComponent is null. Missing a <implementation.web>?"); + } + for (ComponentReference cr : runtimeComponent.getReferences()) { + if (cr.getName().equals(name)) { + return cr; + } + } + return null; + } + + public void addContextScriptProcessor(ContextScriptProcessor csp) { + contextScriptProcessors.add(csp); + } + + public List<ContextScriptProcessor> getContextScriptProcessors() { + return contextScriptProcessors; + } + + public RuntimeComponent getRuntimeComponent() { + return runtimeComponent; + } + + public void setRuntimeComponent(RuntimeComponent rc) { + if (this.runtimeComponent != null) { + throw new IllegalStateException("adding component '" + rc.getName() + "' but web module already has a component: " + runtimeComponent.getName()); + } + this.runtimeComponent = rc; + } +} diff --git a/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java new file mode 100644 index 0000000000..cba6359d2f --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java @@ -0,0 +1,42 @@ +/* + * 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.taglib; + +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" /> + */ +public class ReferenceTEI extends TagExtraInfo { + + 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-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java new file mode 100644 index 0000000000..69f70859b2 --- /dev/null +++ b/branches/sca-java-1.3/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java @@ -0,0 +1,103 @@ +/* + * 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.taglib; + +import javax.servlet.jsp.JspException; +import javax.servlet.jsp.PageContext; +import javax.servlet.jsp.tagext.TagSupport; + +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.implementation.web.WebSingleton; + +/** + * Tag to handle SCA references + * <sca:reference name="service" type="test.MyService" scope="1" /> + */ +public class ReferenceTag extends TagSupport { + private static final long serialVersionUID = 1L; + + protected String name; + protected String type; + protected Integer scope = PageContext.PAGE_SCOPE; + + public int doStartTag() throws JspException { + return SKIP_BODY; + } + + public int doEndTag() throws JspException { + +// ServletContext servletContext = pageContext.getServletContext(); +// try { +// WebAppServletHost.getInstance().init(servletContext); +// } catch (ServletException e) { +// throw new JspException("Exception initializing Tuscany webapp: " + e, e); +// } +// + Class<?> typeClass; + try { + typeClass = Class.forName(type, true, Thread.currentThread().getContextClassLoader()); + } catch (ClassNotFoundException e) { + throw new JspException("Reference '" + name + "' type class not found: " + type); + } + + ComponentReference ref = WebSingleton.INSTANCE.getComponentReference(name); + if (ref == null) { + throw new JspException("Reference '" + name + "' type class not found: " + type); + } + + Object o; + try { + o = WebSingleton.INSTANCE.getRuntimeComponent().getComponentContext().getService(typeClass, name); + } catch (Exception e) { + throw new JspException("Exception getting service proxy 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; + } +} |