TUSCANY-3565 - Registering dojo resource servlet only when implementation widget starts...

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@951244 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
lresende 2010-06-04 02:41:08 +00:00
parent 21a870046c
commit 0508938671
9 changed files with 74 additions and 107 deletions

View file

@ -19,6 +19,7 @@ Import-Package: javax.servlet,
org.apache.tuscany.sca.core;version="2.0.0",
org.apache.tuscany.sca.host.http;version="2.0.0",
org.apache.tuscany.sca.implementation.widget;version="2.0.0",
org.apache.tuscany.sca.implementation.widget.javascript;version="2.0.0",
org.apache.tuscany.sca.implementation.widget.provider;version="2.0.0",
org.apache.tuscany.sca.interfacedef;version="2.0.0",
org.apache.tuscany.sca.invocation;version="2.0.0",

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@ -28,6 +28,7 @@ import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.implementation.widget.WidgetImplementation;
import org.apache.tuscany.sca.implementation.widget.javascript.WidgetImplementationJavascriptProvider;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.provider.ImplementationProvider;
@ -46,6 +47,7 @@ class WidgetImplementationProvider implements ImplementationProvider {
private RuntimeComponent component;
private WidgetImplementationJavascriptProvider javascriptProvider;
private ComponentJavaScriptGenerator javaScriptGenerator;
private ServletHost servletHost;
@ -59,9 +61,11 @@ class WidgetImplementationProvider implements ImplementationProvider {
* Constructs a new resource implementation provider.
*/
WidgetImplementationProvider(RuntimeComponent component,
WidgetImplementation implementation,
WidgetImplementation implementation,
WidgetImplementationJavascriptProvider javascriptProvider,
ComponentJavaScriptGenerator javaScriptGenerator,
ServletHost servletHost) {
this.component = component;
this.javaScriptGenerator = javaScriptGenerator;
@ -86,7 +90,6 @@ class WidgetImplementationProvider implements ImplementationProvider {
public void start() {
String baseURI = getBaseURI();
// get the ScaDomainScriptServlet, if it doesn't yet exist create one
// this uses removeServletMapping / addServletMapping as there is no getServletMapping facility
scriptURI = URI.create(baseURI + "/" + this.widgetName + ".js").toString();
Servlet servlet = servletHost.getServletMapping(scriptURI);
@ -95,6 +98,12 @@ class WidgetImplementationProvider implements ImplementationProvider {
widgetScriptServlet = new WidgetComponentScriptServlet(this.component, javaScriptGenerator);
servletHost.addServletMapping(scriptURI, widgetScriptServlet);
}
// If added to the class path, start dojo provider
if(javascriptProvider != null) {
javascriptProvider.start();
}
}
public void stop() {
@ -104,6 +113,10 @@ class WidgetImplementationProvider implements ImplementationProvider {
// Remove the Servlet mapping
servletHost.removeServletMapping(scriptURI);
}
if(javascriptProvider != null) {
javascriptProvider.stop();
}
}

View file

@ -19,9 +19,11 @@
package org.apache.tuscany.sca.implementation.widget.provider;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.host.http.ServletHostHelper;
import org.apache.tuscany.sca.implementation.widget.WidgetImplementation;
import org.apache.tuscany.sca.implementation.widget.javascript.WidgetImplementationJavascriptProvider;
import org.apache.tuscany.sca.provider.ImplementationProvider;
import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
@ -35,21 +37,26 @@ import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGeneratorExtensi
*/
public class WidgetImplementationProviderFactory implements ImplementationProviderFactory<WidgetImplementation> {
private ServletHost servletHost;
private ComponentJavaScriptGenerator javaScriptGenerator;
private WidgetImplementationJavascriptProvider javascriptProvider;
private ComponentJavaScriptGenerator javascriptGenerator;
/**
* Constructs a resource implementation.
*/
public WidgetImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
this.servletHost = ServletHostHelper.getServletHost(extensionPoints);
public WidgetImplementationProviderFactory(ExtensionPointRegistry registry) {
this.servletHost = ServletHostHelper.getServletHost(registry);
ComponentJavaScriptGeneratorExtensionPoint javascriptGeneratorExtensionPoint = extensionPoints.getExtensionPoint(ComponentJavaScriptGeneratorExtensionPoint.class);
javaScriptGenerator = javascriptGeneratorExtensionPoint.getComponentJavaScriptGenerators().get(0);
UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
javascriptProvider = utilities.getUtility(WidgetImplementationJavascriptProvider.class);
ComponentJavaScriptGeneratorExtensionPoint javascriptGeneratorExtensionPoint = registry.getExtensionPoint(ComponentJavaScriptGeneratorExtensionPoint.class);
javascriptGenerator = javascriptGeneratorExtensionPoint.getComponentJavaScriptGenerators().get(0);
}
public ImplementationProvider createImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) {
return new WidgetImplementationProvider(component, implementation, javaScriptGenerator, servletHost);
return new WidgetImplementationProvider(component, implementation, javascriptProvider, javascriptGenerator, servletHost);
}
public Class<WidgetImplementation> getModelType() {

View file

@ -6,7 +6,8 @@ Export-Package: org.apache.tuscany.sca.implementation.widget;version="2.0.0";
org.apache.tuscany.sca.contribution.resolver,
org.apache.tuscany.sca.contribution.processor,
org.apache.tuscany.sca.core,
javax.xml.namespace"
javax.xml.namespace",
org.apache.tuscany.sca.implementation.widget.javascript;version="2.0.0"
SCA-Version: 1.1
Bundle-Name: Apache Tuscany SCA Widget Implementation Model
Bundle-Vendor: The Apache Software Foundation

View file

@ -0,0 +1,34 @@
/*
* 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.widget.javascript;
import org.apache.tuscany.sca.core.ModuleActivator;
/**
* A widget javascript provider which
* provides dojo and tuscany dojo extensions
* to an application using implementation.widget
*
* @version $Rev$ $Date$
*/
public interface WidgetImplementationJavascriptProvider extends ModuleActivator {
}

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@ -15,6 +15,7 @@ Import-Package: javax.servlet,
org.apache.tuscany.sca.core;version="2.0.0",
org.apache.tuscany.sca.extensibility;version="2.0.0",
org.apache.tuscany.sca.host.http;version="2.0.0",
org.apache.tuscany.sca.implementation.widget.javascript;version="2.0.0",
org.apache.tuscany.sca.monitor;version="2.0.0",
org.apache.tuscany.sca.runtime;version="2.0.0"
Bundle-SymbolicName: org.apache.tuscany.sca.core.web.javascript.dojo

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@ -35,6 +35,12 @@
<artifactId>tuscany-core</artifactId>
<version>2.0-M5-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>
<artifactId>tuscany-implementation-widget</artifactId>
<version>2.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca</groupId>

View file

@ -1,97 +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.web.javascript.dojo;
import java.net.URI;
import java.util.logging.Logger;
import javax.servlet.Servlet;
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.ServletHostHelper;
import org.apache.tuscany.sca.host.http.ServletMappingException;
public class DojoModuleActivator implements ModuleActivator {
private final static Logger logger = Logger.getLogger(DojoModuleActivator.class.getName());
private static final String dojoBaseUri = URI.create("/dojo").toString();
private static final String dojoUri = URI.create("/dojo/*").toString();
private static final String tuscanyBaseUri = URI.create("/tuscany").toString();
private static final String tuscanyUri = URI.create("/tuscany/*").toString();
private ServletHost servletHost;
public DojoModuleActivator(ExtensionPointRegistry registry) {
this.servletHost = ServletHostHelper.getServletHost(registry);
}
public void start() {
if (servletHost == null) {
throw new IllegalStateException("Can't find ServletHost reference !");
}
Servlet servlet = null;
servlet = servletHost.getServletMapping(dojoBaseUri);
if(servlet == null) {
try {
DojoResourceServlet baseResourceServlet = new DojoResourceServlet();
servletHost.addServletMapping(dojoBaseUri, baseResourceServlet);
DojoResourceServlet resourceServlet = new DojoResourceServlet();
servletHost.addServletMapping(dojoUri, resourceServlet);
} catch (ServletMappingException me ) {
logger.warning("Dojo already registered at :" + dojoBaseUri);
}
}
servlet = servletHost.getServletMapping(tuscanyBaseUri);
if(servlet == null) {
try {
DojoResourceServlet baseResourceServlet = new DojoResourceServlet();
servletHost.addServletMapping(tuscanyBaseUri, baseResourceServlet);
DojoResourceServlet resourceServlet = new DojoResourceServlet();
servletHost.addServletMapping(tuscanyUri, resourceServlet);
} catch (ServletMappingException me ) {
logger.warning("Tuscany dojo extensions already registered at :" + tuscanyBaseUri);
}
}
}
public void stop() {
Servlet servlet = servletHost.getServletMapping(dojoBaseUri);
if(servlet != null) {
servletHost.removeServletMapping(dojoBaseUri);
servletHost.removeServletMapping(dojoUri);
servletHost.removeServletMapping(tuscanyBaseUri);
servletHost.removeServletMapping(tuscanyUri);
}
servletHost = null;
}
}

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@ -14,5 +14,6 @@
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Implementation class for the ModuleActivator
org.apache.tuscany.sca.web.javascript.dojo.DojoModuleActivator;priority=9999
org.apache.tuscany.sca.web.javascript.dojo.DojoWidgetJavascriptProvider;priority=9999