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authordougsleite <dougsleite@13f79535-47bb-0310-9956-ffa450edef68>2009-08-06 14:11:58 +0000
committerdougsleite <dougsleite@13f79535-47bb-0310-9956-ffa450edef68>2009-08-06 14:11:58 +0000
commit6fab0ae9e1d940fbe610db8ca20c3b4b5ca4fe28 (patch)
tree428b079a68faed11d0b76ec08eae742fa4a3d2b2
parentd1e89179e9a367faa1c52c6a4f2188bc6f8e4e4e (diff)
- This model is responsible for process the resolution trees as policies
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@801652 13f79535-47bb-0310-9956-ffa450edef68
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/.classpath10
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/.project23
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/.settings/org.eclipse.jdt.core.prefs5
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/.settings/org.maven.ide.eclipse.prefs9
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/pom.xml93
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicy.java49
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyDefinitionsProvider.java59
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProcessor.java157
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/java/org/apache/tuscany/sca/policy/resolutiontrees/ResolutionTreesPolicyProviderFactory.java55
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor19
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory19
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider19
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/main/resources/org/apache/tuscany/sca/policy/resolutiontrees/definitions.xml31
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java96
-rw-r--r--sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml36
15 files changed, 680 insertions, 0 deletions
diff --git a/sandbox/dougsleite/policy-resolutiontrees/.classpath b/sandbox/dougsleite/policy-resolutiontrees/.classpath
new file mode 100644
index 0000000000..f42fb64cfa
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/.classpath
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="src" output="target/classes" path="src/main/java"/>
+ <classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
+ <classpathentry kind="src" output="target/test-classes" path="src/test/java"/>
+ <classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources"/>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+ <classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
+ <classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/sandbox/dougsleite/policy-resolutiontrees/.project b/sandbox/dougsleite/policy-resolutiontrees/.project
new file mode 100644
index 0000000000..8e94f3a1bd
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>tuscany-policy-recoveryrules</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.jdt.core.javabuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.maven.ide.eclipse.maven2Builder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.jdt.core.javanature</nature>
+ <nature>org.maven.ide.eclipse.maven2Nature</nature>
+ </natures>
+</projectDescription>
diff --git a/sandbox/dougsleite/policy-resolutiontrees/.settings/org.eclipse.jdt.core.prefs b/sandbox/dougsleite/policy-resolutiontrees/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000000..b8efdb7c81
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,5 @@
+#Tue Jul 28 10:57:12 BRT 2009
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.source=1.5
diff --git a/sandbox/dougsleite/policy-resolutiontrees/.settings/org.maven.ide.eclipse.prefs b/sandbox/dougsleite/policy-resolutiontrees/.settings/org.maven.ide.eclipse.prefs
new file mode 100644
index 0000000000..8e178853bd
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/.settings/org.maven.ide.eclipse.prefs
@@ -0,0 +1,9 @@
+#Tue Jul 28 10:57:03 BRT 2009
+activeProfiles=
+eclipse.preferences.version=1
+fullBuildGoals=process-test-resources
+includeModules=false
+resolveWorkspaceProjects=true
+resourceFilterGoals=process-resources resources\:testResources
+skipCompilerPlugin=true
+version=1
diff --git a/sandbox/dougsleite/policy-resolutiontrees/pom.xml b/sandbox/dougsleite/policy-resolutiontrees/pom.xml
new file mode 100644
index 0000000000..47ad2be5a9
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/pom.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<project xmlns:pom="http://maven.apache.org/POM/4.0.0">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-modules</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+ <artifactId>tuscany-policy-resolutiontrees</artifactId>
+ <name>Apache Tuscany SCA Resolution Tree Policy Model</name>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-contribution</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-assembly-xml</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-policy</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-contribution-impl</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.ws.commons.axiom</groupId>
+ <artifactId>axiom-impl</artifactId>
+ <version>1.2.7</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-guardian</artifactId>
+ <version>1.6-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+
+ <configuration>
+ <instructions>
+ <Bundle-Version>${tuscany.version}</Bundle-Version>
+ <Bundle-SymbolicName>org.apache.tuscany.sca.policy.resolutiontree</Bundle-SymbolicName>
+ <Bundle-Description>${pom.name}</Bundle-Description>
+ <Export-Package>org.apache.tuscany.sca.policy.resolutiontree*</Export-Package>
+ </instructions>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
+
+
+
+
+
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>
diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java b/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java
new file mode 100644
index 0000000000..766d4020b0
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java
@@ -0,0 +1,96 @@
+/*
+ * 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.io.InputStream;
+import java.io.StringWriter;
+import java.net.URL;
+import java.util.Iterator;
+import java.util.Map;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+import org.junit.Test;
+import org.apache.axiom.om.OMAttribute;
+import org.apache.axiom.om.OMElement;
+import org.apache.tuscany.sca.guardian.Constants;
+
+public class PolicyReadTestCase {
+
+ @Test
+ public void testPolicyReading() throws Exception {
+ ResolutionTreesPolicyProcessor processor = new ResolutionTreesPolicyProcessor(null, null);
+
+ URL url = getClass().getResource("test_policies.xml");
+ XMLInputFactory inputFactory = XMLInputFactory.newInstance();
+
+ InputStream urlStream = url.openStream();
+ XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream);
+
+
+ ResolutionTreesPolicy policy = processor.read(reader);
+ Map<String, OMElement> map = policy.getResolutionTreeElements();
+
+ StringWriter sw = new StringWriter();
+
+ XMLStreamWriter writter = XMLOutputFactory.newInstance().createXMLStreamWriter(sw);
+ writter.writeStartDocument();
+ writter.writeStartElement(Constants.RECOVERY_RULES);
+
+ writeElements(map.values().iterator(), writter);
+
+ writter.writeEndElement();
+ writter.writeEndDocument();
+ writter.close();
+
+ System.out.println(sw.toString());
+ }
+
+ private void writeElements(Iterator elements, XMLStreamWriter writer) throws Exception {
+
+ OMElement el;
+ OMAttribute at;
+
+ while (elements.hasNext()) {
+ el = (OMElement) elements.next();
+
+ //write the element's name
+ writer.writeStartElement(el.getLocalName());
+
+ //write the attributes
+ Iterator attributes = el.getAllAttributes();
+ while (attributes.hasNext()) {
+ at = (OMAttribute) attributes.next();
+ writer.writeAttribute(at.getLocalName(), at.getAttributeValue());
+ }
+
+ //write texts
+ if (el.getText().length() != 0) {
+ writer.writeCharacters(el.getText());
+ }
+
+ Iterator children = el.getChildElements();
+ writeElements(children, writer);
+
+ writer.writeEndElement();
+ }
+
+ }
+}
diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml b/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml
new file mode 100644
index 0000000000..405dcde1ae
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml
@@ -0,0 +1,36 @@
+<?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.
+-->
+<resolution_trees>
+ <resolution_tree exception_level="1">
+ <exception class="org.exceptions.PrimaryBackupFailedTogetherException">
+ <exception class="org.exceptions.PrimaryFailedException"/>
+ <exception class="org.exceptions.BackupFailedException"/>
+ </exception>
+ </resolution_tree>
+
+ <resolution_tree exception_level="2">
+ <exception class="org.exceptions.UnavailableException">
+ <exception class="org.exceptions.HotelServiceFailedException">
+ <exception class="org.exceptions.RoomBookFailedException"/>
+ </exception>
+ <exception class="org.exceptions.CarServiceFailedException"/>
+ </exception>
+ </resolution_tree>
+</resolution_trees>