diff options
Diffstat (limited to 'tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util')
7 files changed, 0 insertions, 847 deletions
diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java deleted file mode 100644 index 2e4c6a9d78..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java +++ /dev/null @@ -1,418 +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.policy.util; - -import static javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI; - -import java.io.InputStream; -import java.io.StringWriter; -import java.security.AccessController; -import java.security.PrivilegedActionException; -import java.security.PrivilegedExceptionAction; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.transform.Result; -import javax.xml.transform.Source; -import javax.xml.transform.Transformer; -import javax.xml.transform.TransformerConfigurationException; -import javax.xml.transform.TransformerException; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.dom.DOMSource; -import javax.xml.transform.stream.StreamResult; -import javax.xml.xpath.XPathConstants; -import javax.xml.xpath.XPathExpression; -import javax.xml.xpath.XPathExpressionException; - -import org.apache.tuscany.sca.policy.Intent; -import org.apache.tuscany.sca.policy.IntentAttachPointType; -import org.apache.tuscany.sca.policy.PolicySet; -import org.apache.tuscany.sca.policy.ProfileIntent; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -/** - * Utility methods used during computation of PolicyIntents and PolicySets sets - * - * @version $Rev$ $Date$ - */ -public class PolicyComputationUtils { - private static final String POLICYSET_PREFIX = "tp_"; - private static final String APPLICABLE_POLICYSET_ATTR_NS = "http://tuscany.apache.org/xmlns/sca/1.0"; - private static final String APPLICABLE_POLICYSET_ATTR = "applicablePolicySets"; - private static final String POLICY_SETS_ATTR = "policySets"; - private static final String APPLICABLE_POLICYSET_ATTR_PREFIX = "tuscany"; - private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; - - /** - * This method unconditionally adds intents from the source list to the target list. - * It is used for intermediate intent inheritance between promotion levels - * (e.g. between a composite service and a component service). It does not check - * whether there are conflicting (mutually exclusive) intents. This is because - * promotion cannot override intents. If the resulting target list has conflicting - * intents, this will be detected later during policy computation. - */ - public static void addInheritedIntents(List<Intent> sourceList, List<Intent> targetList) { - if (sourceList != null) { - targetList.addAll(sourceList); - } - } - - public static void addInheritedPolicySets(List<PolicySet> sourceList, - List<PolicySet> targetList, - boolean checkOverrides) { - // check overrides is true when policysets are to be copied from - // componentType to component level - if (checkOverrides) { - // aggregate all the provided intents present in the target - List<Intent> targetProvidedIntents = new ArrayList<Intent>(); - for (PolicySet policySet : targetList) { - targetProvidedIntents.addAll(policySet.getProvidedIntents()); - } - - // for every policy set in the source check if it provides one of - // the intents that is - // already provided by the policysets in the destination and do not - // copy them. - for (PolicySet policySet : sourceList) { - for (Intent sourceProvidedIntent : policySet.getProvidedIntents()) { - if (!targetProvidedIntents.contains(sourceProvidedIntent)) { - targetList.add(policySet); - } - } - } - } else { - targetList.addAll(sourceList); - } - } - - /** - * This method is used to inherit intents and policy sets between hierarchical levels - * within the same composite (e.g. between a component and its services and references). - * In this case the source intents and policy sets provide defaults which are inherited - * into the target lists only when there is no conflict. For example consider a component - * with 3 references. The component level requires intent 'propagatesTransaction'. - * Reference 1 and 2 do not specify an intent, but reference 3 requires 'suspendsTransaction'. - * In this case the 'propagatesTransaction' intent is inherited by reference 1 and 2 - * but not by reference 3. - */ - public static void addDefaultPolicies(List<Intent> sourceIntents, - List<PolicySet> sourcePolicySets, - List<Intent> targetIntents, - List<PolicySet> targetPolicySets) - { - // form a list of all intents required by the target - List<Intent> combinedTargetIntents = new ArrayList<Intent>(); - combinedTargetIntents.addAll(findAndExpandProfileIntents(targetIntents)); - for (PolicySet targetPolicySet : targetPolicySets) { - combinedTargetIntents.addAll(findAndExpandProfileIntents(targetPolicySet.getProvidedIntents())); - } - - // inherit intents in the source list that do not conflict with intents already in the target list - for (Intent sourceIntent : findAndExpandProfileIntents(sourceIntents)) { - boolean conflict = false; - for (Intent excluded : sourceIntent.getExcludedIntents()) { - if (combinedTargetIntents.contains(excluded)) { - conflict = true; - break; - } - } - if (!conflict) { - targetIntents.add(sourceIntent); - } - } - - // inherit policy sets in the source list that do not conflict with policy sets or intents - // in the target list - for (PolicySet sourcePolicySet : sourcePolicySets) { - boolean conflict = false; - List<Intent> providedIntents = findAndExpandProfileIntents(sourcePolicySet.getProvidedIntents()); - checkConflict: for (Intent intent : providedIntents) { - for (Intent excluded : intent.getExcludedIntents()) { - if (combinedTargetIntents.contains(excluded)) { - conflict = true; - break checkConflict; - } - } - } - if (!conflict) - targetPolicySets.add(sourcePolicySet); - } - - } - - public static void checkForMutuallyExclusiveIntents( - List<Intent> intents, - List<PolicySet> policySets, - IntentAttachPointType intentAttachPointType, - String id) throws PolicyValidationException - { - // gather all intents (keeping track of where they come from) - Map<Intent, PolicySet> combinedIntents = new HashMap<Intent,PolicySet>(); - for (PolicySet policySet : policySets) { - for (Intent providedIntent : findAndExpandProfileIntents(policySet.getProvidedIntents())) { - combinedIntents.put(providedIntent, policySet); - } - } - for (Intent intent : intents) { - combinedIntents.put(intent, null); - } - - // check for conflicts - for (Intent intent : combinedIntents.keySet()) { - for (Intent excluded : intent.getExcludedIntents()) { - if (combinedIntents.keySet().contains(excluded)) { - String sIntent1, sIntent2; - if (combinedIntents.get(intent) == null) - sIntent1 = intent.getName().toString(); - else - sIntent1 = intent.getName().toString() + " in policy set " + combinedIntents.get(intent).getName().toString(); - if (combinedIntents.get(excluded) == null) - sIntent2 = excluded.getName().toString(); - else - sIntent2 = excluded.getName().toString() + " in policy set " + combinedIntents.get(excluded).getName().toString(); - throw new PolicyValidationException( - intentAttachPointType.getName() + " for " + id + - " uses mutually-exclusive intents " + sIntent1 + " and " + sIntent2); - } - } - } - } - - public static void expandProfileIntents(List<Intent> intents) { - List<Intent> expandedIntents = null; - if ( intents.size() > 0 ) { - expandedIntents = findAndExpandProfileIntents(intents); - intents.clear(); - intents.addAll(expandedIntents); - } - } - - public static List<Intent> findAndExpandProfileIntents(List<Intent> intents) { - List<Intent> expandedIntents = new ArrayList<Intent>(); - for ( Intent intent : intents ) { - if ( intent instanceof ProfileIntent ) { - ProfileIntent profileIntent = (ProfileIntent)intent; - List<Intent> requiredIntents = profileIntent.getRequiredIntents(); - expandedIntents.addAll(findAndExpandProfileIntents(requiredIntents)); - } else { - expandedIntents.add(intent); - } - } - return expandedIntents; - } - - private static byte[] addApplicablePolicySets(Document doc, Collection<PolicySet> policySets) - throws XPathExpressionException, TransformerConfigurationException, TransformerException { - - for (PolicySet policySet : policySets) { - if (policySet.getAppliesTo() != null) { - addApplicablePolicySets(policySet, doc); - } - - if (policySet.getAlwaysAppliesTo() != null) { - addAlwaysApplicablePolicySets(policySet, doc); - } - } - - StringWriter sw = new StringWriter(); - final Source domSource = new DOMSource(doc); - final Result finalResult = new StreamResult(sw); - final Transformer transformer = TransformerFactory.newInstance().newTransformer(); - // transformer.setOutputProperty("omit-xml-declaration", "yes"); - // Allow priviledged access to let transformers read property files. Requires - // PropertyPermission in security policy. - try { - AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { - public Object run() throws TransformerException { - transformer.transform(domSource, finalResult); - return null; - } - }); - } catch (PrivilegedActionException e) { - throw (TransformerException)e.getException(); - } - - return sw.toString().getBytes(); - } - - private static void addAlwaysApplicablePolicySets(PolicySet policySet, - Document doc) throws XPathExpressionException { - XPathExpression expression = policySet.getAlwaysAppliesToXPathExpression(); - NodeList result = (NodeList)expression.evaluate(doc, XPathConstants.NODESET); - - if (result != null) { - for (int counter = 0; counter < result.getLength(); ++counter) { - Node aResultNode = result.item(counter); - - String alwaysApplicablePolicySets = null; - - String policySetPrefix = - declareNamespace((Element)aResultNode, policySet.getName().getNamespaceURI()); - String policySetsAttrPrefix = - declareNamespace((Element)aResultNode, SCA10_NS); - if (aResultNode.getAttributes().getNamedItem(POLICY_SETS_ATTR) != null) { - alwaysApplicablePolicySets = - aResultNode.getAttributes().getNamedItem(POLICY_SETS_ATTR).getNodeValue(); - } - - if (alwaysApplicablePolicySets != null && alwaysApplicablePolicySets.length() > 0) { - alwaysApplicablePolicySets = - alwaysApplicablePolicySets + " " - + policySetPrefix - + ":" - + policySet.getName().getLocalPart(); - } else { - alwaysApplicablePolicySets = - policySetPrefix + ":" + policySet.getName().getLocalPart(); - } - - ((Element)aResultNode).setAttribute(POLICY_SETS_ATTR, alwaysApplicablePolicySets); - } - } - } - - private static void addApplicablePolicySets(PolicySet policySet, - Document doc) throws XPathExpressionException { - XPathExpression expression = policySet.getAppliesToXPathExpression(); - NodeList result = (NodeList)expression.evaluate(doc, XPathConstants.NODESET); - - if (result != null) { - for (int counter = 0; counter < result.getLength(); ++counter) { - Node aResultNode = result.item(counter); - - String applicablePolicySets = null; - - String policySetPrefix = - declareNamespace((Element)aResultNode, policySet.getName().getNamespaceURI()); - String appPolicyAttrPrefix = - declareNamespace((Element)aResultNode, - APPLICABLE_POLICYSET_ATTR_NS); - if (aResultNode.getAttributes().getNamedItemNS(APPLICABLE_POLICYSET_ATTR_NS, - APPLICABLE_POLICYSET_ATTR) != null) { - applicablePolicySets = - aResultNode.getAttributes().getNamedItemNS(APPLICABLE_POLICYSET_ATTR_NS, - APPLICABLE_POLICYSET_ATTR) - .getNodeValue(); - } - - if (applicablePolicySets != null && applicablePolicySets.length() > 0) { - applicablePolicySets = - applicablePolicySets + " " - + policySetPrefix - + ":" - + policySet.getName().getLocalPart(); - } else { - applicablePolicySets = - policySetPrefix + ":" + policySet.getName().getLocalPart(); - } - - ((Element)aResultNode).setAttributeNS(APPLICABLE_POLICYSET_ATTR_NS, - appPolicyAttrPrefix + ":" - + APPLICABLE_POLICYSET_ATTR, - applicablePolicySets); - } - } - } - - public static byte[] addApplicablePolicySets(InputStream is, Collection<PolicySet> domainPolicySets, DocumentBuilderFactory documentBuilderFactory) throws Exception { - documentBuilderFactory.setNamespaceAware(true); - DocumentBuilder db = documentBuilderFactory.newDocumentBuilder(); - Document doc = db.parse(is); - is.close(); - return addApplicablePolicySets(doc, domainPolicySets); - } - - private static class DOMNamespaceContext implements NamespaceContext { - private Node node; - - /** - * @param node - */ - public DOMNamespaceContext(Node node) { - super(); - this.node = node; - } - - public String getNamespaceURI(String prefix) { - return node.lookupNamespaceURI(prefix); - } - - public String getPrefix(String namespaceURI) { - return node.lookupPrefix(namespaceURI); - } - - public Iterator<?> getPrefixes(String namespaceURI) { - return null; - } - - } - - private static String declareNamespace(Element element, String ns) { - if (ns == null) { - ns = ""; - } - Node node = element; - String prefix = ""; - boolean declared = false; - while (node != null && node.getNodeType() == Node.ELEMENT_NODE) { - if ( node.lookupPrefix(ns) != null ) { - prefix = node.lookupPrefix(ns); - declared = true; - break; - } else { - /*NamedNodeMap attrs = node.getAttributes(); - if (attrs == null) { - break; - } - Node attr = attrs.getNamedItem(qname); - if (attr != null) { - declared = ns.equals(attr.getNodeValue()); - break; - }*/ - node = node.getParentNode(); - } - } - if (!declared) { - // Find an available prefix - for (int i=1; ; i++) { - prefix = POLICYSET_PREFIX + i; - if (element.lookupNamespaceURI(prefix) == null) { - break; - } - } - String qname = "xmlns:" + prefix; - org.w3c.dom.Attr attr = element.getOwnerDocument().createAttributeNS(XMLNS_ATTRIBUTE_NS_URI, qname); - attr.setValue(ns); - element.setAttributeNodeNS(attr); - } - return prefix; - } - -} diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java deleted file mode 100644 index 1f91710f95..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java +++ /dev/null @@ -1,38 +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.policy.util;
-
-import org.apache.tuscany.sca.policy.PolicySet;
-
-/**
- * @deprecated This interface is replaced by PolicyProviderFactory/PolicyProvider SPIs
- * Handler interface for handling policies defined in policysets
- *
- * @version $Rev$ $Date$
- */
-@Deprecated
-public interface PolicyHandler {
- PolicySet getApplicablePolicySet();
- void setApplicablePolicySet(PolicySet policySet);
- void setUp(Object... context);
- void cleanUp(Object... context);
- void beforeInvoke(Object... context);
- void afterInvoke(Object... context);
-}
diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java deleted file mode 100644 index e9af4912a3..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java +++ /dev/null @@ -1,87 +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.policy.util; - -import java.io.IOException; -import java.util.ArrayList; -import java.util.Hashtable; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import javax.xml.namespace.QName; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - -/** - * Utility class for loading policy handler definitions from META-INF/services directories - * - * @version $Rev$ $Date$ - */ -public class PolicyHandlerDefinitionsLoader { - - public static List<PolicyHandlerTuple> loadPolicyHandlerClassnames() { - // Get the processor service declarations - Set<ServiceDeclaration> sds; - try { - sds = ServiceDiscovery.getInstance().getServiceDeclarations(PolicyHandler.class.getName()); - } catch (IOException e) { - throw new IllegalStateException(e); - } - - List<PolicyHandlerTuple> handlerTupleList = new ArrayList<PolicyHandlerTuple>(); - - Map<Object, List<PolicyHandlerTuple>> handlerTuples = new Hashtable<Object, List<PolicyHandlerTuple>>(); - for (ServiceDeclaration sd : sds) { - Map<String, String> attributes = sd.getAttributes(); - String intentName = attributes.get("intent"); - QName intentQName = getQName(intentName); - String policyModelClassName = attributes.get("model"); - String appliesTo = attributes.get("appliesTo"); - if ( appliesTo != null && !appliesTo.startsWith("/") ) { - appliesTo = "//" + appliesTo; - } - handlerTupleList.add(new PolicyHandlerTuple(sd, sd.getClassName(), intentQName, policyModelClassName, appliesTo)); - } - - return handlerTupleList; - } - - private static QName getQName(String qname) { - if (qname == null) { - return null; - } - qname = qname.trim(); - if (qname.startsWith("{")) { - int h = qname.indexOf('}'); - if (h != -1) { - return new QName(qname.substring(1, h), qname.substring(h + 1)); - } - } else { - int h = qname.indexOf('#'); - if (h != -1) { - return new QName(qname.substring(0, h), qname.substring(h + 1)); - } - } - throw new IllegalArgumentException("Invalid qname: " + qname); - } - -} diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java deleted file mode 100644 index c80e68a0be..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java +++ /dev/null @@ -1,91 +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.policy.util;
-
-import javax.xml.namespace.QName;
-
-import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
-
-/**
- * PolicyHanlder tuples stored in policy handler services files
- *
- * @version $Rev$ $Date$
- */
-public class PolicyHandlerTuple {
- private ServiceDeclaration declaration;
- private String policyHandlerClassName;
- private QName providedIntentName;
- private String policyModelClassName;
- private String appliesTo;
-
- public PolicyHandlerTuple(ServiceDeclaration declaration,
- String handlerClassName,
- QName providedIntentName,
- String policyModelClassName,
- String appliesTo) {
- this.declaration = declaration;
- this.policyHandlerClassName = handlerClassName;
- this.providedIntentName = providedIntentName;
- this.policyModelClassName = policyModelClassName;
- this.appliesTo = appliesTo;
- }
-
- public ServiceDeclaration getDeclaration() {
- return declaration;
- }
-
- public void setDeclaration(ServiceDeclaration declaration) {
- this.declaration = declaration;
- }
-
- public String getAppliesTo() {
- return appliesTo;
- }
-
- public void setAppliesTo(String appliesTo) {
- this.appliesTo = appliesTo;
- }
-
-
- public String getPolicyHandlerClassName() {
- return policyHandlerClassName;
- }
- public void setPolicyHandlerClassName(String policyHandlerClassName) {
- this.policyHandlerClassName = policyHandlerClassName;
- }
- public String getPolicyModelClassName() {
- return policyModelClassName;
- }
- public void setPolicyModelClassName(String policyModelClassName) {
- this.policyModelClassName = policyModelClassName;
- }
- public QName getProvidedIntentName() {
- return providedIntentName;
- }
- public void setProvidedIntentName(QName providedIntentName) {
- this.providedIntentName = providedIntentName;
- }
-
- @Override
- public String toString() {
- return policyHandlerClassName + ", " + providedIntentName + ", " + policyModelClassName + ", " + appliesTo;
- }
-
-}
diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java deleted file mode 100644 index 6d6420017f..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java +++ /dev/null @@ -1,64 +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.policy.util; - -import java.util.List; - -import org.apache.tuscany.sca.policy.Intent; -import org.apache.tuscany.sca.policy.PolicySet; - -/** - * Utility methods to deal with PolicyHandlers - * - * @version $Rev$ $Date$ - */ -public class PolicyHandlerUtils { - public static PolicyHandler findPolicyHandler(PolicySet policySet, List<PolicyHandlerTuple> policyHandlerClassNames) - throws IllegalAccessException, ClassNotFoundException, InstantiationException { - - PolicyHandler handler = null; - - for (PolicyHandlerTuple handlerTuple : policyHandlerClassNames) { - //System.out.println(handlerTuple); - for (Intent intent : policySet.getProvidedIntents()) { - if (intent.getName().equals(handlerTuple.getProvidedIntentName())) { - for (Object policy : policySet.getPolicies()) { - if (policy.getClass().getName().equals(handlerTuple.getPolicyModelClassName())) { - if (handlerTuple.getAppliesTo() != null) { - if (handlerTuple.getAppliesTo().equals(policySet.getAppliesTo())) { - handler = (PolicyHandler)handlerTuple.getDeclaration().loadClass().newInstance(); - handler.setApplicablePolicySet(policySet); - return handler; - } - } else { - handler = (PolicyHandler)handlerTuple.getDeclaration().loadClass().newInstance(); - handler.setApplicablePolicySet(policySet); - return handler; - } - } - } - } - } - } - - return handler; - } - -} diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java deleted file mode 100644 index eb97818042..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java +++ /dev/null @@ -1,38 +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.policy.util;
-
-/**
- * Exception to be throw for invalid policy intents / policysets
- *
- * @version $Rev$ $Date$
- */
-public class PolicyValidationException extends Exception {
- private static final long serialVersionUID = 506979037642587755L;
-
- public PolicyValidationException(String message) {
- super(message);
- }
-
- public PolicyValidationException(Throwable e) {
- super(e);
- }
-
-}
diff --git a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java b/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java deleted file mode 100644 index afb3c035ae..0000000000 --- a/tags/java/sca/2.0-M1/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java +++ /dev/null @@ -1,111 +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.policy.util;
-
-import java.util.List;
-
-import javax.xml.namespace.QName;
-
-import org.apache.tuscany.sca.policy.Intent;
-import org.apache.tuscany.sca.policy.IntentAttachPoint;
-import org.apache.tuscany.sca.policy.IntentAttachPointType;
-import org.apache.tuscany.sca.policy.PolicySet;
-import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
-
-/**
- * @version $Rev$ $Date$
- */
-public class PolicyValidationUtils {
-
- public static boolean isConstrained(QName constrained, IntentAttachPointType attachPointType) {
- return (attachPointType != null && attachPointType.getName().getNamespaceURI()
- .equals(constrained.getNamespaceURI()) && attachPointType.getName().getLocalPart()
- .startsWith(constrained.getLocalPart()));
- }
-
- public static void validateIntents(IntentAttachPoint attachPoint,
- IntentAttachPointType attachPointType)
- throws PolicyValidationException {
- boolean found = false;
- if (attachPointType != null) {
- // validate intents specified against the parent (binding /
- // implementation)
- found = false;
- for (Intent intent : attachPoint.getRequiredIntents()) {
- if (!intent.isUnresolved()) {
- for (QName constrained : intent.getConstrains()) {
- if (isConstrained(constrained, attachPointType)) {
- found = true;
- break;
- }
- }
-
- if (!found) {
- throw new PolicyValidationException("Policy Intent '" + intent.getName()
- + "' does not constrain extension type "
- + attachPointType.getName());
- }
- } else {
- throw new PolicyValidationException("Policy Intent '" + intent.getName()
- + "' is not defined in this domain ");
- }
- }
- }
- }
-
- public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint)
- throws PolicyValidationException {
- validatePolicySets(policySetAttachPoint,
- policySetAttachPoint.getType(),
- policySetAttachPoint.getApplicablePolicySets());
- }
-
- public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint,
- IntentAttachPointType attachPointType)
- throws PolicyValidationException {
- validatePolicySets(policySetAttachPoint,
- attachPointType,
- policySetAttachPoint.getApplicablePolicySets());
- }
-
- public static void validatePolicySets(PolicySetAttachPoint policySetAttachPoint,
- IntentAttachPointType attachPointType,
- List<PolicySet> applicablePolicySets)
- throws PolicyValidationException {
- // Since the applicablePolicySets in a policySetAttachPoint will already
- // have the list of policysets that might ever be applicable to this attachPoint,
- // just check if the defined policysets feature in the list of applicable
- // policysets
- for (PolicySet definedPolicySet : policySetAttachPoint.getPolicySets()) {
- if (!definedPolicySet.isUnresolved()) {
- if (!applicablePolicySets.contains(definedPolicySet)) {
- throw new PolicyValidationException("Policy Set '" + definedPolicySet
- .getName()
- + "' does not apply to extension type "
- + attachPointType.getName());
- }
- } else {
- throw new PolicyValidationException("Policy Set '" + definedPolicySet.getName()
- + "' is not defined in this domain ");
-
- }
- }
- }
-}
|