diff options
Diffstat (limited to 'sandbox/dougsleite/policy-resolutiontrees/src/main')
8 files changed, 408 insertions, 0 deletions
diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicy.java b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicy.java new file mode 100644 index 0000000000..2a2972c8ca --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicy.java @@ -0,0 +1,49 @@ +/* + * 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.policy.resolutiontrees; + +import java.util.Hashtable; +import java.util.Map; +import javax.xml.namespace.QName; +import org.apache.axiom.om.OMElement; +import org.apache.tuscany.sca.policy.Policy; +import org.apache.tuscany.sca.assembly.xml.Constants; + +public class ResolutionTreesPolicy implements Policy { + + public static final QName RESOLUTION_TREES_POLICY_QNAME = + new QName(Constants.SCA10_TUSCANY_NS, org.apache.tuscany.sca.guardian.Constants.RESOLUTION_TREES); + + private Map<String, OMElement> resolutionTreeElements = new Hashtable<String, OMElement>(); + + public QName getSchemaName() { + return RESOLUTION_TREES_POLICY_QNAME; + } + + public void setUnresolved(boolean unresolved) { + } + + public boolean isUnresolved() { + return false; + } + + public Map<String, OMElement> getResolutionTreeElements() { + return resolutionTreeElements; + } +} diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyDefinitionsProvider.java b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyDefinitionsProvider.java new file mode 100644 index 0000000000..000979ddfc --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyDefinitionsProvider.java @@ -0,0 +1,59 @@ +/* + * 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.policy.resolutiontrees; + +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.definitions.SCADefinitions; +import org.apache.tuscany.sca.provider.SCADefinitionsProvider; +import org.apache.tuscany.sca.provider.SCADefinitionsProviderException; + +public class ResolutionTreesPolicyDefinitionsProvider implements SCADefinitionsProvider { + + private String definitionsFile = "org/apache/tuscany/sca/policy/resolutiontrees/definitions.xml"; + URLArtifactProcessor urlArtifactProcessor = null; + + public ResolutionTreesPolicyDefinitionsProvider(ExtensionPointRegistry registry) { + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + urlArtifactProcessor = (URLArtifactProcessor) documentProcessors.getProcessor(SCADefinitions.class); + } + + public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException { + URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() { + + public URL run() { + return getClass().getClassLoader().getResource(definitionsFile); + } + }); + + try { + URI uri = new URI(definitionsFile); + return (SCADefinitions) urlArtifactProcessor.read(null, + uri, + definitionsFileUrl); + } catch (Exception e) { + throw new SCADefinitionsProviderException(e); + } + } +} diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProcessor.java b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProcessor.java new file mode 100644 index 0000000000..ef0f8e9cea --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProcessor.java @@ -0,0 +1,157 @@ +/* + * 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.policy.resolutiontrees; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; +import org.apache.axiom.om.OMAbstractFactory; +import org.apache.axiom.om.OMElement; +import org.apache.axiom.om.OMFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.guardian.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.monitor.Monitor; + +public class ResolutionTreesPolicyProcessor implements StAXArtifactProcessor<ResolutionTreesPolicy>, Constants { + + private static final QName RESOLUTION_TREES_POLICY_QNAME = ResolutionTreesPolicy.RESOLUTION_TREES_POLICY_QNAME; + + public ResolutionTreesPolicyProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + } + + public ResolutionTreesPolicy read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + ResolutionTreesPolicy policy = new ResolutionTreesPolicy(); + QName name = null; + String ruleName = null; + OMElement ruleElement = null; + while (reader.hasNext()) { + + if (reader.isStartElement()) { + + name = reader.getName(); + if (RESOLUTION_TREE.equals(name.getLocalPart())) { + + ruleName = reader.getAttributeValue(null, Constants.EXCEPTION_LEVEL); + ruleElement = loadElement(reader); + + policy.getResolutionTreeElements().put(ruleName, ruleElement); + } + } else if (reader.isEndElement()) { + if (RESOLUTION_TREES_POLICY_QNAME.equals(reader.getName())) { + break; + } + } + + reader.next(); + } + + return policy; + } + + public void write(ResolutionTreesPolicy policy, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + throw new UnsupportedOperationException("Not supported yet."); + } + + public QName getArtifactType() { + return RESOLUTION_TREES_POLICY_QNAME; + } + + public void resolve(ResolutionTreesPolicy arg0, ModelResolver arg1) throws ContributionResolveException { + throw new UnsupportedOperationException("Not supported yet."); + } + + public Class<ResolutionTreesPolicy> getModelType() { + return ResolutionTreesPolicy.class; + } + + private OMElement loadElement(XMLStreamReader reader) throws XMLStreamException { + OMFactory fac = OMAbstractFactory.getOMFactory(); + OMElement head = fac.createOMElement(reader.getName()); + + //Load the attributes for the rule tag + loadAttributes(reader, head, fac); + + OMElement current = head; + while (true) { + + switch (reader.next()) { + case XMLStreamConstants.START_ELEMENT: + + QName name = new QName(reader.getName().getLocalPart()); + OMElement child = fac.createOMElement(name, current); + + int count = reader.getNamespaceCount(); + for (int i = 0; i < count; i++) { + String prefix = reader.getNamespacePrefix(i); + String ns = reader.getNamespaceURI(i); + child.declareNamespace(ns, prefix); + } + + if (!"".equals(name.getNamespaceURI())) { + child.declareNamespace(name.getNamespaceURI(), name.getPrefix()); + } + + // add the attributes for this element + loadAttributes(reader, child, fac); + current = child; + break; + case XMLStreamConstants.CDATA: + fac.createOMText(current, reader.getText()); + break; + case XMLStreamConstants.CHARACTERS: + String text = reader.getText().trim(); + if (text.length() != 0) { + fac.createOMText(current, reader.getText()); + } + break; + case XMLStreamConstants.END_ELEMENT: + if (current == head) { + return head; + } else { + current = (OMElement) current.getParent(); + } + } + } + } + + private void loadAttributes(XMLStreamReader reader, OMElement elem, OMFactory fac) { + int count = reader.getAttributeCount(); + for (int i = 0; i < count; i++) { + String ns = reader.getAttributeNamespace(i); + String prefix = reader.getAttributePrefix(i); + String qname = reader.getAttributeLocalName(i); + String value = reader.getAttributeValue(i); + + if (ns != null) { + elem.addAttribute(qname, value, fac.createOMNamespace(ns, prefix)); + elem.declareNamespace(ns, prefix); + } else { + elem.addAttribute(qname, value, null); + } + } + } +} diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProviderFactory.java b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProviderFactory.java new file mode 100644 index 0000000000..23e1513f84 --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProviderFactory.java @@ -0,0 +1,55 @@ +/* + * 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.policy.resolutiontrees; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.provider.PolicyProvider; +import org.apache.tuscany.sca.provider.PolicyProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +public class ResolutionTreesPolicyProviderFactory implements PolicyProviderFactory<ResolutionTreesPolicy> { + + public ResolutionTreesPolicyProviderFactory(ExtensionPointRegistry registry) { + super(); + } + + public PolicyProvider createReferencePolicyProvider(RuntimeComponent component, + RuntimeComponentReference reference, + Binding binding) { + return null; + } + + public PolicyProvider createServicePolicyProvider(RuntimeComponent component, + RuntimeComponentService service, + Binding binding) { + return null; + } + + public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component, Implementation implementation) { + return null; + } + + public Class<ResolutionTreesPolicy> getModelType() { + return ResolutionTreesPolicy.class; + } +} diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor new file mode 100644 index 0000000000..d8a0e92b7d --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for the artifact processor extension +org.apache.tuscany.sca.policy.resolutiontrees.ResolutionTreesPolicyProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#recovery_rules,model=org.apache.tuscany.sca.policy.resolutiontrees.ResolutionTreesPolicy diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory new file mode 100644 index 0000000000..e69892dcbf --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory @@ -0,0 +1,19 @@ +# 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.
+
+# Implementation class for the policy extension
+org.apache.tuscany.sca.policy.resolutiontrees.ResolutionTreesPolicyProviderFactory;model=org.apache.tuscany.sca.policy.resolutiontrees.ResolutionTreesPolicy
diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider new file mode 100644 index 0000000000..ee7c2b6e4f --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for SCA Definitions Providers +org.apache.tuscany.sca.policy.resolutiontrees.ResolutionTreesPolicyDefinitionsProvider diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/org/apache/tuscany/sca/policy/resolutiontrees/definitions.xml b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/org/apache/tuscany/sca/policy/resolutiontrees/definitions.xml new file mode 100644 index 0000000000..df47c23460 --- /dev/null +++ b/sandbox/dougsleite/policy-resolutiontrees/src/main/resources/org/apache/tuscany/sca/policy/resolutiontrees/definitions.xml @@ -0,0 +1,31 @@ +<?xml version="1.0" encoding="ASCII"?> +<!-- + * 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. +--> +<definitions xmlns="http://www.osoa.org/xmlns/sca/1.0" + targetNamespace="http://tuscany.apache.org/xmlns/sca/1.0" + xmlns:sca="http://www.osoa.org/xmlns/sca/1.0" + xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"> + + <!-- Policy Intents Defined by the SCA Runtime --> + <intent name="resolutionTrees" constrains="sca:implementation.java"> + <description> + Describe the resolution trees for the guardian group + </description> + </intent> +</definitions> |