diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace')
5 files changed, 323 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/SCANamespaceHandlerResolver.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/SCANamespaceHandlerResolver.java new file mode 100644 index 0000000000..75e00007f6 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/SCANamespaceHandlerResolver.java @@ -0,0 +1,53 @@ +/* + * 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.spring.namespace; + +import org.springframework.beans.factory.xml.DefaultNamespaceHandlerResolver; +import org.springframework.beans.factory.xml.NamespaceHandler; + +/** + * Overrides the default Spring namespace resolver to automatically register + * {@link ScaNamespaceHandler} instead of requiring a value to be supplied in a + * Spring configuration + * + * @version $Rev$ $Date$ + */ +public class SCANamespaceHandlerResolver extends DefaultNamespaceHandlerResolver { + private static final String SCA_NAMESPACE = "http://www.springframework.org/schema/sca"; + + private ScaNamespaceHandler handler; + + public SCANamespaceHandlerResolver(ClassLoader classLoader) { + super(classLoader); + handler = new ScaNamespaceHandler(/*componentType*/); + } + + public SCANamespaceHandlerResolver(String handlerMappingsLocation, ClassLoader classLoader) { + super(classLoader, handlerMappingsLocation); + handler = new ScaNamespaceHandler(/*componentType*/); + } + + @Override + public NamespaceHandler resolve(String namespaceUri) { + if (SCA_NAMESPACE.equals(namespaceUri)) { + return handler; + } + return super.resolve(namespaceUri); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java new file mode 100644 index 0000000000..66cb3c76fc --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java @@ -0,0 +1,93 @@ +/* + * Copyright 2002-2006 the original author or authors. + * + * Licensed 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.spring.namespace; + +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +import javax.xml.namespace.QName; + +import org.springframework.beans.factory.xml.NamespaceHandlerSupport; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +/** + * Handler for the <sca:> namespace in an application context + * + * @version $Rev$ $Date$ + */ +public class ScaNamespaceHandler extends NamespaceHandlerSupport { + + public ScaNamespaceHandler() { + } + + @Override + public void init() { + registerBeanDefinitionParser("reference", new ScaReferenceBeanDefinitionParser()); + registerBeanDefinitionParser("service", new ScaServiceBeanDefinitionParser()); + registerBeanDefinitionParser("property", new ScaPropertyBeanDefinitionParser()); + } + + private static String getNamespaceURI(Element element, String prefix) { + if (element == null) { + return null; + } + String name = ("".equals(prefix)) ? "xmlns" : "xmlns:" + prefix; + String ns = element.getAttribute(name); + if (ns != null && !"".equals(ns)) { + return ns; + } + Node parent = element.getParentNode(); + if (parent instanceof Element) { + return getNamespaceURI((Element)parent, prefix); + } else { + return null; + } + } + + public static List<QName> resolve(Element element, String listOfNames) { + List<QName> qnames = new ArrayList<QName>(); + StringTokenizer tokenizer = new StringTokenizer(listOfNames); + while (tokenizer.hasMoreTokens()) { + String qname = tokenizer.nextToken(); + String prefix = ""; + String local = qname; + int index = qname.indexOf(':'); + if (index != -1) { + local = qname.substring(index + 1); + prefix = qname.substring(0, index); + } + String ns = getNamespaceURI(element, prefix); + if (ns != null) { + qnames.add(new QName(ns, local, prefix)); + } else { + throw new IllegalArgumentException("Prefix " + prefix + "is not bound to a namespace"); + } + } + return qnames; + } + + public static String getAttribute(Element element, String name) { + String attr = element.getAttributeNS(null, name); + if ("".equals(attr)) { + return null; + } else { + return attr; + } + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaPropertyBeanDefinitionParser.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaPropertyBeanDefinitionParser.java new file mode 100644 index 0000000000..bff0aa84e0 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaPropertyBeanDefinitionParser.java @@ -0,0 +1,44 @@ +/* + * Copyright 2002-2006 the original author or authors. + * + * Licensed 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.spring.namespace; + +import org.apache.tuscany.sca.implementation.spring.SpringSCAPropertyElement; +import org.apache.tuscany.sca.implementation.spring.context.SCAGenericApplicationContext; +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.support.BeanDefinitionRegistry; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:reference> element + * @version $Rev$ $Date$ + */ +public class ScaPropertyBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + BeanDefinitionRegistry registry = parserContext.getRegistry(); + if (registry instanceof SCAGenericApplicationContext) { + SCAGenericApplicationContext context = (SCAGenericApplicationContext)registry; + SpringSCAPropertyElement propertyElement = + new SpringSCAPropertyElement(element.getAttributeNS(null, "name"), element.getAttributeNS(null, "type")); + context.addSCAPropertyElement(propertyElement); + } + // do nothing, this is handled by Tuscany + return null; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaReferenceBeanDefinitionParser.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaReferenceBeanDefinitionParser.java new file mode 100644 index 0000000000..ab797c1e52 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaReferenceBeanDefinitionParser.java @@ -0,0 +1,67 @@ +/* + * Copyright 2002-2006 the original author or authors. + * + * Licensed 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.spring.namespace; + +import static org.apache.tuscany.sca.implementation.spring.namespace.ScaNamespaceHandler.getAttribute; + +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement; +import org.apache.tuscany.sca.implementation.spring.context.SCAGenericApplicationContext; +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.support.BeanDefinitionRegistry; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:reference> element + * + * @version $Rev$ $Date$ + */ +public class ScaReferenceBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + BeanDefinitionRegistry registry = parserContext.getRegistry(); + if (registry instanceof SCAGenericApplicationContext) { + SCAGenericApplicationContext context = (SCAGenericApplicationContext)registry; + SpringSCAReferenceElement referenceElement = + new SpringSCAReferenceElement(getAttribute(element, "name"), getAttribute(element, "type")); + referenceElement.setDefaultBean(getAttribute(element, "default")); + + String requires = getAttribute(element, "requires"); + if (requires != null) { + List<QName> qnames = ScaNamespaceHandler.resolve(element, requires); + referenceElement.getIntentNames().addAll(qnames); + } + + String policySets = getAttribute(element, "policySets"); + if (policySets != null) { + List<QName> qnames = ScaNamespaceHandler.resolve(element, policySets); + referenceElement.getPolicySetNames().addAll(qnames); + } + + context.addSCAReferenceElement(referenceElement); + } + + // do nothing, this is handled by Tuscany + return null; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaServiceBeanDefinitionParser.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaServiceBeanDefinitionParser.java new file mode 100644 index 0000000000..6a3beebcff --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaServiceBeanDefinitionParser.java @@ -0,0 +1,66 @@ +/* + * Copyright 2002-2006 the original author or authors. + * + * Licensed 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.spring.namespace; + +import static org.apache.tuscany.sca.implementation.spring.namespace.ScaNamespaceHandler.getAttribute; + +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.implementation.spring.SpringSCAServiceElement; +import org.apache.tuscany.sca.implementation.spring.context.SCAGenericApplicationContext; +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.support.BeanDefinitionRegistry; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:service/> element + * + * @version $Rev$ $Date$ + */ +public class ScaServiceBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + BeanDefinitionRegistry registry = parserContext.getRegistry(); + if (registry instanceof SCAGenericApplicationContext) { + SCAGenericApplicationContext context = (SCAGenericApplicationContext)registry; + SpringSCAServiceElement serviceElement = + new SpringSCAServiceElement(getAttribute(element, "name"), getAttribute(element, "target")); + serviceElement.setType(getAttribute(element, "type")); + + String requires = getAttribute(element, "requires"); + if (requires != null) { + List<QName> qnames = ScaNamespaceHandler.resolve(element, requires); + serviceElement.getIntentNames().addAll(qnames); + } + + String policySets = getAttribute(element, "policySets"); + if (policySets != null) { + List<QName> qnames = ScaNamespaceHandler.resolve(element, policySets); + serviceElement.getPolicySetNames().addAll(qnames); + } + + context.addSCAServiceElement(serviceElement); + } + // do nothing, handled by Tuscany + return null; + } + +} |