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-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultIntentAttachPointTypeFactory.java29
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultPolicyFactory.java30
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Intent.java116
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPoint.java52
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointType.java71
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointTypeFactory.java43
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentMap.java89
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Policy.java33
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyContext.java38
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyFactory.java69
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySet.java155
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetAttachPoint.java48
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetReference.java43
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/ProfileIntent.java36
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/QualifiedIntent.java41
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/BindingTypeImpl.java90
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ImplementationTypeImpl.java88
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentAttachPointTypeFactoryImpl.java39
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentImpl.java151
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentMapImpl.java73
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyContextImpl.java93
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyFactoryImpl.java60
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetImpl.java149
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetReferenceImpl.java48
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ProfileIntentImpl.java39
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/QualifiedIntentImpl.java50
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java418
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java38
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java87
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java91
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java64
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java38
-rw-r--r--sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java111
-rw-r--r--sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory18
-rw-r--r--sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.PolicyFactory18
-rw-r--r--sandbox/event/modules/policy/src/test/java/org/apache/tuscany/sca/policy/PolicyFactoryTestCase.java50
36 files changed, 2706 insertions, 0 deletions
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultIntentAttachPointTypeFactory.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultIntentAttachPointTypeFactory.java
new file mode 100644
index 0000000000..6ca4fe72ec
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultIntentAttachPointTypeFactory.java
@@ -0,0 +1,29 @@
+/*
+ * 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;
+
+import org.apache.tuscany.sca.policy.impl.IntentAttachPointTypeFactoryImpl;
+
+/**
+ * Default implementation for IntentAttachPointTypeFactory
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultIntentAttachPointTypeFactory extends IntentAttachPointTypeFactoryImpl implements IntentAttachPointTypeFactory{
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultPolicyFactory.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultPolicyFactory.java
new file mode 100644
index 0000000000..2da41675a1
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/DefaultPolicyFactory.java
@@ -0,0 +1,30 @@
+/*
+ * 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;
+
+import org.apache.tuscany.sca.policy.impl.PolicyFactoryImpl;
+
+/**
+ * A factory for the policy model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultPolicyFactory extends PolicyFactoryImpl implements PolicyFactory {
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Intent.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Intent.java
new file mode 100644
index 0000000000..22f328f643
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Intent.java
@@ -0,0 +1,116 @@
+/*
+ * 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;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Represents a policy intent. See the Policy Framework specification for a
+ * description of this element.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Intent {
+
+ /**
+ * Returns the intent name.
+ *
+ * @return the intent name
+ */
+ QName getName();
+
+ /**
+ * Sets the intent name
+ *
+ * @param name the intent name
+ */
+ void setName(QName name);
+
+ /**
+ * Get the intent domain (the root intent name before any qualifiers)
+ * @return the domain
+ */
+ String getDomain();
+
+ /**
+ * Get the intent qualifiers
+ * @return the domain
+ */
+ String[] getQualifiedNames();
+
+ /**
+ * Returns the list of operations that this intent applies to.
+ *
+ * @return
+ */
+ //List<Operation> getOperations();
+
+ /**
+ * Returns the list of SCA constructs that this intent is meant to
+ * configure.
+ *
+ * @return the list of SCA constructs that this intent is meant to configure
+ */
+ List<QName> getConstrains();
+
+ /**
+ * Returns the list of intents which are mutually exclusive with this intent.
+ *
+ * @return the list of mutually exclusive intents.
+ */
+ List<Intent> getExcludedIntents();
+
+ /**
+ * Returns the list of children qualified intents.
+ *
+ * @return the list of children qualified intents.
+ */
+ List<Intent> getQualifiedIntents();
+
+ /**
+ * Returns the intent description.
+ *
+ * @return the intent description
+ */
+ String getDescription();
+
+ /**
+ * Sets the intent description.
+ *
+ * @param description the intent description
+ */
+ void setDescription(String description);
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ boolean isUnresolved();
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ void setUnresolved(boolean unresolved);
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPoint.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPoint.java
new file mode 100644
index 0000000000..bf2cfca924
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPoint.java
@@ -0,0 +1,52 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * Base interface for all assembly model objects that can be have policy intents
+ * attached to them.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface IntentAttachPoint {
+
+ /**
+ * Returns a list of policy intents. See the Policy Framework specification
+ * for a description of this attribute.
+ *
+ * @return a list of policy intents.
+ */
+ List<Intent> getRequiredIntents();
+
+
+ /**
+ * Returns the type of the attach point such as a BindingType or an ImplementationType and so on
+ * @return
+ */
+ IntentAttachPointType getType();
+
+ /**
+ *
+ * Sets the type of the attach point such as a BindingType or an ImplementationType and so on
+ * @param type
+ */
+ void setType(IntentAttachPointType type);
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointType.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointType.java
new file mode 100644
index 0000000000..6db529c7f0
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointType.java
@@ -0,0 +1,71 @@
+/*
+ * 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;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Base interface for representing the model type of assembly model objects that can be have policy intents
+ * attached to them.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface IntentAttachPointType {
+
+ /**
+ * Returns the name of the extension type defined by this instance e.g. implementation.java, binding.ws
+ * @return the extension type QName
+ */
+ QName getName();
+
+ /**
+ * Sets the name of the extension type
+ * @param type the name of the extension type
+ */
+ void setName(QName type);
+
+ /**
+ * Returns the list of names of policy intents that will always be provided by this Extension Type
+ * @return list of Policy Intent names
+ */
+ List<Intent> getAlwaysProvidedIntents();
+
+ /**
+ * Returns the list of names of policy intents that may be provided by this Extension Type thro
+ * appropriate configuration
+ * @return list of Policy Intent names
+ */
+ List<Intent> getMayProvideIntents();
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ boolean isUnresolved();
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ void setUnresolved(boolean unresolved);
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointTypeFactory.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointTypeFactory.java
new file mode 100644
index 0000000000..ee67006875
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentAttachPointTypeFactory.java
@@ -0,0 +1,43 @@
+/*
+ * 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;
+
+/**
+ * Factory interface for creating extension types meta data
+ *
+ * @version $Rev$ $Date$
+ */
+public interface IntentAttachPointTypeFactory {
+
+ /**
+ * Creates an ImplementationTypeImpl instance to hold metadata related to
+ * a particular implementation extension in the SCA Domain
+ *
+ * @return an instance of IntentAttachPointType
+ */
+ IntentAttachPointType createImplementationType();
+
+ /**
+ * Creates an BindingTypeImpl instance to hold metadata related to
+ * a particular binding extension in the SCA Domain
+ *
+ * @return an instance of IntentAttachPointType
+ */
+ IntentAttachPointType createBindingType();
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentMap.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentMap.java
new file mode 100644
index 0000000000..1b225bc918
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/IntentMap.java
@@ -0,0 +1,89 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * Represents a policy intent map. See the Policy Framework specification for a
+ * description of this element.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface IntentMap {
+
+ /**
+ * Returns the intent realized by this intent map.
+ *
+ * @return the intent realized by this intent map
+ */
+ Intent getProvidedIntent();
+
+ /**
+ * Sets the intent realized by this intent map.
+ *
+ * @param providedIntent the intent realized by this intent map
+ */
+ void setProvidedIntent(Intent providedIntent);
+
+ /**
+ * Returns the default qualified intent map.
+ *
+ * @return the default qualified intent map
+ */
+ IntentMap getDefaultQualifiedIntentMap();
+
+ /**
+ * Sets the default qualified intent map.
+ *
+ * @param defaultQualifiedIntentMap the default qualified intent map
+ */
+ void setDefaultQualifiedIntentMap(IntentMap defaultQualifiedIntentMap);
+
+ /**
+ * Returns the list of children qualified intent maps.
+ *
+ * @return
+ */
+ List<IntentMap> getQualifiedIntentMaps();
+
+ /**
+ * Returns the list of concrete policies, either WS-Policy policy
+ * attachments, policy references, or policies expressed in another policy
+ * language.
+ *
+ * @return the list of concrete policies
+ */
+ List<Object> getPolicies();
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ boolean isUnresolved();
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ void setUnresolved(boolean unresolved);
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Policy.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Policy.java
new file mode 100644
index 0000000000..c6393e2ada
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/Policy.java
@@ -0,0 +1,33 @@
+/*
+ * 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;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Interface that will abstract various types of policy specifications
+ * and attachments for example WS-Policy
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Policy {
+ QName getSchemaName();
+ void setUnresolved(boolean unresolved);
+ boolean isUnresolved();
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyContext.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyContext.java
new file mode 100644
index 0000000000..65c39803d2
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyContext.java
@@ -0,0 +1,38 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * A context container for policies.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicyContext {
+ List<Intent> getIntents(Object key);
+ List<PolicySet> getPolicySets(Object key);
+ void addIntents(Object key, List<Intent> intents);
+ void addPolicySets(Object key, List<PolicySet> policySets);
+ void addIntent(Object key, Intent intent);
+ void addPolicySet(Object key, PolicySet policySet);
+ void clearIntents(Object key);
+ void clearPolicySets(Object key);
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyFactory.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyFactory.java
new file mode 100644
index 0000000000..49bcbae1ae
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicyFactory.java
@@ -0,0 +1,69 @@
+/*
+ * 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;
+
+/**
+ * A factory for the policy model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicyFactory {
+
+ /**
+ * Create a new intent.
+ *
+ * @return a new intent
+ */
+ Intent createIntent();
+
+ /**
+ * Create a new policy set.
+ *
+ * @return a new policy set
+ */
+ PolicySet createPolicySet();
+
+ /**
+ * Create a new intent map.
+ *
+ * @return a new intent map
+ */
+ IntentMap createIntentMap();
+
+ /**
+ * create a new Profile Intent
+ *
+ * @return a ProfileIntent instance
+ */
+ ProfileIntent createProfileIntent();
+
+ /**
+ * create a new QualifiedIntent
+ *
+ * @return a QualifiedIntent instance
+ */
+ QualifiedIntent createQualifiedIntent();
+
+ /**
+ * create a new PolicySetReference
+ *
+ * @return a PolicySetReference instance
+ */
+ PolicySetReference createPolicySetReference();
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySet.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySet.java
new file mode 100644
index 0000000000..b16072c214
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySet.java
@@ -0,0 +1,155 @@
+/*
+ * 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;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+import javax.xml.xpath.XPathExpression;
+
+/**
+ * Represents a policy set. See the Policy Framework specification for a
+ * description of this element.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicySet {
+
+ /**
+ * Returns the intent name.
+ *
+ * @return the intent name
+ */
+ QName getName();
+
+ /**
+ * Sets the intent name
+ *
+ * @param name the intent name
+ */
+ void setName(QName name);
+
+ /**
+ * Returns the list of operations that this policy set applies to.
+ *
+ * @return
+ */
+ //List<Operation> getOperations();
+ /**
+ * Returns the list of
+ *
+ * @return
+ */
+ List<PolicySet> getReferencedPolicySets();
+
+ /**
+ * Returns the list of provided intents
+ *
+ * @return
+ */
+ List<Intent> getProvidedIntents();
+
+ /**
+ * Returns the list of concrete policies, either WS-Policy policy
+ * attachments, policy references, or policies expressed in another policy
+ * language.
+ *
+ * @return the list of concrete policies
+ */
+ List<Object> getPolicies();
+
+ /**
+ * Returns true if the model element is unresolved.
+ *
+ * @return true if the model element is unresolved.
+ */
+ boolean isUnresolved();
+
+ /**
+ * Sets whether the model element is unresolved.
+ *
+ * @param unresolved whether the model element is unresolved
+ */
+ void setUnresolved(boolean unresolved);
+
+ /**
+ * Returns the XPath expression that is to be used to evaluate
+ * if this PolicySet applies to specific attachment point
+ *
+ * @return the XPath expression
+ */
+ String getAppliesTo();
+
+ /**
+ * Sets the XPath expression that is to be used to evaluate
+ * if this PolicySet applies to specific attachment point
+ *
+ */
+ void setAppliesTo(String xpath);
+
+ /**
+ * Returns the policies / policy attachments provided thro intent maps
+ *
+ * @return
+ */
+ Map<Intent, List<Object>> getMappedPolicies();
+
+ /**
+ * Gets the XPath expression that is to be used to evaluate
+ * the SCA Artifacts that this policyset will always apply to
+ * immaterial of an intent declared on the SCA Artifact
+ *
+ * @return the XPath expression
+ */
+ String getAlwaysAppliesTo();
+
+ /**
+ * Sets the XPath expression that is to be used to evaluate
+ * the SCA Artifacts that this policyset will always apply to
+ * immaterial of an intent declared on the SCA Artifact
+ *
+ */
+ void setAlwaysAppliesTo(String xpath);
+
+ /**
+ * Get the XPath expression for the appliesTo attribute
+ * @return the XPath expression for the appliesTo attribute
+ */
+ XPathExpression getAppliesToXPathExpression();
+
+ /**
+ * Set the XPath expression for the appliesTo attribute
+ * @param xpathExpression the XPath expression for the appliesTo attribute
+ */
+ void setAppliesToXPathExpression(XPathExpression xpathExpression);
+
+ /**
+ * Get the XPath expression for the alwaysAppliesTo attribute
+ * @return the XPath expression for the alwaysAppliesTo attribute
+ */
+ XPathExpression getAlwaysAppliesToXPathExpression();
+
+ /**
+ * Set the XPath expression for the alwaysAppliesTo attribute
+ * @param xpathExpression the XPath expression for the alwaysAppliesTo attribute
+ */
+ void setAlwaysAppliesToXPathExpression(XPathExpression xpathExpression);
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetAttachPoint.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetAttachPoint.java
new file mode 100644
index 0000000000..f4156fc2e6
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetAttachPoint.java
@@ -0,0 +1,48 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * Base interface for all assembly model objects that can have policy sets
+ * attached to them.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicySetAttachPoint extends IntentAttachPoint {
+
+ /**
+ * Returns a list of policy sets. See the Policy Framework specification for
+ * a description of this attribute.
+ *
+ * @return a list of policy sets.
+ */
+ List<PolicySet> getPolicySets();
+
+
+ /**
+ * Returns a list of policy sets defined in the domain, that are applicable to this
+ * PolicySetAttachPoint. An applicable PolicySet is one that include this PolicySetAttachPoint
+ * as part of its 'appliesTo' XPath attribute.
+ *
+ * @return a list of policy sets applicable to this PolicySetAttachPoint
+ */
+ List<PolicySet> getApplicablePolicySets();
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetReference.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetReference.java
new file mode 100644
index 0000000000..caa0d04fe3
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/PolicySetReference.java
@@ -0,0 +1,43 @@
+/*
+ * 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;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Interface that abstracts a PolicySet Reference
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicySetReference {
+
+ /**
+ * Returns the name of the policyset being referred to
+ *
+ * @return the QName of the referred policyset
+ */
+ QName getReferredPolicySetName();
+
+ /**
+ * @param refPolicySetName the name of the policyset being referred to
+ *
+ */
+ void setReferredPolicySetName(QName refPolicySetName);
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/ProfileIntent.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/ProfileIntent.java
new file mode 100644
index 0000000000..28ff9d09d3
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/ProfileIntent.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * Interface that abstracts a profile intent
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ProfileIntent extends Intent {
+ /**
+ * Returns the list of required intents.
+ *
+ * @return the list of required intents
+ */
+ List<Intent> getRequiredIntents();
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/QualifiedIntent.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/QualifiedIntent.java
new file mode 100644
index 0000000000..0f43221dd6
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/QualifiedIntent.java
@@ -0,0 +1,41 @@
+/*
+ * 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;
+
+/**
+ * Abstracts a qualified policy intent
+ *
+ * @version $Rev$ $Date$
+ */
+public interface QualifiedIntent extends Intent {
+
+ /**
+ * Returns the intent qualified by this intent
+ *
+ * @return
+ */
+ Intent getQualifiableIntent();
+
+ /**
+ * sets the qualifiable intent for this Qualified intent instance
+ *
+ * @param qualifiableIntent
+ */
+ void setQualifiableIntent(Intent qualifiableIntent);
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/BindingTypeImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/BindingTypeImpl.java
new file mode 100644
index 0000000000..0f8b1ae00a
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/BindingTypeImpl.java
@@ -0,0 +1,90 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+
+/**
+ * Concrete implementation for a BindingType
+ *
+ * @version $Rev$ $Date$
+ */
+public class BindingTypeImpl implements IntentAttachPointType {
+
+ private List<Intent> alwaysProvides = new ArrayList<Intent>();
+ private List<Intent> mayProvides = new ArrayList<Intent>();
+ private QName typeName;
+ private boolean unResolved = true;
+
+ public List<Intent> getAlwaysProvidedIntents() {
+ return alwaysProvides;
+ }
+
+ public List<Intent> getMayProvideIntents() {
+ return mayProvides;
+ }
+
+ public QName getName() {
+ return typeName;
+ }
+
+ public void setName(QName type) {
+ this.typeName = type;
+ }
+
+ public boolean isUnresolved() {
+ return unResolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unResolved = unresolved;
+ }
+
+ @Override
+ public int hashCode() {
+ return String.valueOf(getName()).hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ } else if (obj instanceof BindingTypeImpl ) {
+ if (getName() != null) {
+ return getName().equals(((BindingTypeImpl)obj).getName());
+ } else {
+ return ((BindingTypeImpl)obj).getName() == null;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return ( this.typeName != null ) ? getName().toString() : "null";
+ }
+}
+; \ No newline at end of file
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ImplementationTypeImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ImplementationTypeImpl.java
new file mode 100644
index 0000000000..7861fd79f9
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ImplementationTypeImpl.java
@@ -0,0 +1,88 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+
+/**
+ * Concrete implementation for a Implementation Type
+ *
+ * @version $Rev$ $Date$
+ */
+public class ImplementationTypeImpl implements IntentAttachPointType {
+ private List<Intent> alwaysProvides = new ArrayList<Intent>();
+ private List<Intent> mayProvides = new ArrayList<Intent>();
+ private QName typeName;
+ private boolean unResolved = true;
+
+ public List<Intent> getAlwaysProvidedIntents() {
+ return alwaysProvides;
+ }
+
+ public List<Intent> getMayProvideIntents() {
+ return mayProvides;
+ }
+
+ public QName getName() {
+ return typeName;
+ }
+
+ public void setName(QName type) {
+ this.typeName = type;
+ }
+
+ public boolean isUnresolved() {
+ return unResolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unResolved = unresolved;
+ }
+
+ @Override
+ public int hashCode() {
+ return String.valueOf(getName()).hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ } else if (obj instanceof ImplementationTypeImpl ) {
+ if (getName() != null) {
+ return getName().equals(((ImplementationTypeImpl)obj).getName());
+ } else {
+ return ((ImplementationTypeImpl)obj).getName() == null;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return ( this.typeName != null ) ? getName().toString() : "null";
+ }
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentAttachPointTypeFactoryImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentAttachPointTypeFactoryImpl.java
new file mode 100644
index 0000000000..aa6e27c240
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentAttachPointTypeFactoryImpl.java
@@ -0,0 +1,39 @@
+/*
+ * 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.impl;
+
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
+
+/**
+ * Default implementation for IntentAttachPointTypeFactory
+ *
+ * @version $Rev$ $Date$
+ */
+public class IntentAttachPointTypeFactoryImpl implements IntentAttachPointTypeFactory {
+
+ public IntentAttachPointType createBindingType() {
+ return new BindingTypeImpl();
+ }
+
+ public IntentAttachPointType createImplementationType() {
+ return new ImplementationTypeImpl();
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentImpl.java
new file mode 100644
index 0000000000..2d6bd0eb6f
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentImpl.java
@@ -0,0 +1,151 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.Intent;
+
+/**
+ * Represents a policy intent.
+ *
+ * @version $Rev$ $Date$
+ */
+public class IntentImpl implements Intent {
+
+ private static final String QUALIFIED_SEPARATOR = ".";
+ private static final String DOMAIN_SEPARATOR = ".";
+ private QName name;
+ //private List<Operation> operations = new ArrayList<Operation>();
+ private List<QName> constrains = new ArrayList<QName>();
+ private String description;
+ private List<Intent> qualifiedIntents = new ArrayList<Intent>();
+ // private List<Intent> requiredIntents = new ArrayList<Intent>();
+ private List<Intent> excludedIntents = new ArrayList<Intent>();
+ private boolean unresolved = true;
+ private String domain;
+ private String[] qualifiedNames;
+
+ protected IntentImpl() {
+ }
+
+ public QName getName() {
+ return name;
+ }
+
+ public void setName(QName name) {
+ this.name = name;
+ String iname = name.getLocalPart();
+ int domainIdx = iname.indexOf(DOMAIN_SEPARATOR);
+ if (domainIdx > -1) {
+ domain = iname.substring(0, domainIdx);
+ String qualifNamesStr = iname.substring(domainIdx + 1);
+ String pattern = "\\" + QUALIFIED_SEPARATOR;
+ qualifiedNames = qualifNamesStr.split(pattern);
+ } else
+ domain = iname;
+ }
+
+ public String getDomain() {
+ return domain;
+ }
+
+ public String[] getQualifiedNames() {
+ String[] results = new String[qualifiedNames.length];
+ System.arraycopy(qualifiedNames, 0, results, 0, qualifiedNames.length);
+ return results;
+ }
+
+ /*public List<Operation> getOperations() {
+ return operations;
+ }*/
+
+ public List<QName> getConstrains() {
+ return constrains;
+ }
+
+ public String getDescription() {
+ return description;
+ }
+
+ public void setDescription(String description) {
+ this.description = description;
+ }
+
+ public List<Intent> getQualifiedIntents() {
+ return qualifiedIntents;
+ }
+
+ public List<Intent> getExcludedIntents() {
+ return excludedIntents;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+
+ /**
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ QName intentName = getName();
+ result = prime * result + ((intentName == null) ? 0 : intentName.hashCode());
+ return result;
+ }
+
+ /**
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (!(obj instanceof IntentImpl)) {
+ return false;
+ }
+ final IntentImpl other = (IntentImpl)obj;
+ if (getName() == null) {
+ if (other.getName() != null) {
+ return false;
+ }
+ } else if (!getName().equals(other.getName())) {
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return String.valueOf(getName());
+ }
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentMapImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentMapImpl.java
new file mode 100644
index 0000000000..aab03281ba
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/IntentMapImpl.java
@@ -0,0 +1,73 @@
+/*
+ * 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.impl;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentMap;
+
+/**
+ * Represents an intent map.
+ *
+ * @version $Rev$ $Date$
+ */
+public class IntentMapImpl implements IntentMap {
+
+ private boolean unresolved;
+ private IntentMap defaultQualifiedIntentMap;
+ private List<Object> policies;
+ private Intent providedIntent;
+ private List<IntentMap> qualifiedIntentMaps;
+
+ protected IntentMapImpl() {
+ }
+
+ public IntentMap getDefaultQualifiedIntentMap() {
+ return defaultQualifiedIntentMap;
+ }
+
+ public List<Object> getPolicies() {
+ return policies;
+ }
+
+ public Intent getProvidedIntent() {
+ return providedIntent;
+ }
+
+ public List<IntentMap> getQualifiedIntentMaps() {
+ return qualifiedIntentMaps;
+ }
+
+ public void setDefaultQualifiedIntentMap(IntentMap defaultQualifiedIntentMap) {
+ this.defaultQualifiedIntentMap = defaultQualifiedIntentMap;
+ }
+
+ public void setProvidedIntent(Intent providedIntent) {
+ this.providedIntent = providedIntent;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyContextImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyContextImpl.java
new file mode 100644
index 0000000000..a0e2f10f56
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyContextImpl.java
@@ -0,0 +1,93 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicyContext;
+import org.apache.tuscany.sca.policy.PolicySet;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicyContextImpl implements PolicyContext {
+ private Map<Object, List<Intent>> intents = new Hashtable<Object , List<Intent>>();
+ private Map<Object, List<PolicySet>> policySets = new Hashtable<Object, List<PolicySet>>();
+
+ public void addIntent(Object key, Intent intent) {
+ if ( intents.get(key) == null ) {
+ intents.put(key, new ArrayList<Intent>());
+ }
+ intents.get(key).add(intent);
+ }
+
+ public void addIntents(Object key, List<Intent> intents) {
+ if ( this.intents.get(key) == null ) {
+ this.intents.put(key, new ArrayList<Intent>());
+ }
+ this.intents.get(key).addAll(intents);
+ }
+
+ public void addPolicySet(Object key, PolicySet policySet) {
+ if ( policySets.get(key) == null ) {
+ policySets.put(key, new ArrayList<PolicySet>());
+ }
+ policySets.get(key).add(policySet);
+ }
+
+ public void addPolicySets(Object key, List<PolicySet> policySets) {
+ if ( this.policySets.get(key) == null ) {
+ this.policySets.put(key, new ArrayList<PolicySet>());
+ }
+ this.policySets.get(key).addAll(policySets);
+ }
+
+ public List<Intent> getIntents(Object key) {
+ if ( intents.get(key) == null ) {
+ intents.put(key, new ArrayList<Intent>());
+ }
+ return intents.get(key);
+ }
+
+ public List<PolicySet> getPolicySets(Object key) {
+ if ( policySets.get(key) == null ) {
+ policySets.put(key, new ArrayList<PolicySet>());
+ }
+ return policySets.get(key);
+ }
+
+ public void clearIntents(Object key) {
+ if ( intents.get(key) != null ) {
+ intents.clear();
+ }
+ }
+
+ public void clearPolicySets(Object key) {
+ if ( policySets.get(key) != null ) {
+ policySets.clear();
+ }
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyFactoryImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyFactoryImpl.java
new file mode 100644
index 0000000000..1db29b835e
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicyFactoryImpl.java
@@ -0,0 +1,60 @@
+/*
+ * 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.impl;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentMap;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetReference;
+import org.apache.tuscany.sca.policy.ProfileIntent;
+import org.apache.tuscany.sca.policy.QualifiedIntent;
+
+/**
+ * A factory for the policy model.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class PolicyFactoryImpl implements PolicyFactory {
+
+ public Intent createIntent() {
+ return new IntentImpl();
+ }
+
+ public PolicySetReference createPolicySetReference() {
+ return new PolicySetReferenceImpl();
+ }
+
+ public PolicySet createPolicySet() {
+ return new PolicySetImpl();
+ }
+
+ public IntentMap createIntentMap() {
+ return new IntentMapImpl();
+ }
+
+ public ProfileIntent createProfileIntent() {
+ return new ProfileIntentImpl();
+ }
+
+ public QualifiedIntent createQualifiedIntent() {
+ return new QualifiedIntentImpl();
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetImpl.java
new file mode 100644
index 0000000000..179a10cc1a
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetImpl.java
@@ -0,0 +1,149 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+import javax.xml.xpath.XPathExpression;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+
+/**
+ * Represents a policy set.
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicySetImpl implements PolicySet {
+
+ private QName name;
+ //private List<Operation> operations = new ArrayList<Operation>();
+ //private List<QName> appliesTo;
+ private String appliesTo;
+ private List<Intent> providedIntents = new ArrayList<Intent>();
+ private List<PolicySet> referencedPolicySets = new ArrayList<PolicySet>();
+ private List<Object> policies = new ArrayList<Object>();
+ Map<Intent, List<Object>> mappedPolicies = new Hashtable<Intent, List<Object>>();
+ private boolean unresolved = true;
+ private String alwaysAppliesTo;
+
+ private XPathExpression appliesToXPathExpression;
+ private XPathExpression alwaysAppliesToXPathExpression;
+
+ public String getAlwaysAppliesTo() {
+ return alwaysAppliesTo;
+ }
+
+ public void setAlwaysAppliesTo(String alwaysAppliesTo) {
+ this.alwaysAppliesTo = alwaysAppliesTo;
+ }
+
+ protected PolicySetImpl() {
+ }
+
+ public QName getName() {
+ return name;
+ }
+
+ public void setName(QName name) {
+ this.name = name;
+ }
+
+ /*public List<Operation> getOperations() {
+ return operations;
+ }*/
+
+ public String getAppliesTo() {
+ return appliesTo;
+ }
+
+ public void setAppliesTo(String appliesTo) {
+ this.appliesTo = appliesTo;
+ }
+
+ public List<Intent> getProvidedIntents() {
+ return providedIntents;
+ }
+
+ public List<PolicySet> getReferencedPolicySets() {
+ return referencedPolicySets;
+ }
+
+ public List<Object> getPolicies() {
+ return policies;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+
+ public Map<Intent, List<Object>> getMappedPolicies() {
+ return mappedPolicies;
+ }
+
+ @Override
+ public int hashCode() {
+ return String.valueOf(getName()).hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ } else if (obj instanceof PolicySet) {
+ if (getName() != null) {
+ return getName().equals(((PolicySet)obj).getName());
+ } else {
+ return ((PolicySet)obj).getName() == null;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return ( this.name != null ) ? getName().toString() : "null";
+ }
+
+ public XPathExpression getAppliesToXPathExpression() {
+ return appliesToXPathExpression;
+ }
+
+ public void setAppliesToXPathExpression(XPathExpression appliesToXPathExpression) {
+ this.appliesToXPathExpression = appliesToXPathExpression;
+ }
+
+ public XPathExpression getAlwaysAppliesToXPathExpression() {
+ return alwaysAppliesToXPathExpression;
+ }
+
+ public void setAlwaysAppliesToXPathExpression(XPathExpression alwaysAppliesToXPathExpression) {
+ this.alwaysAppliesToXPathExpression = alwaysAppliesToXPathExpression;
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetReferenceImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetReferenceImpl.java
new file mode 100644
index 0000000000..98a116fe7b
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/PolicySetReferenceImpl.java
@@ -0,0 +1,48 @@
+/*
+ * 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.impl;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.PolicySetReference;
+
+/**
+ * Concrete implementation for a PolicySetReference
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicySetReferenceImpl implements PolicySetReference {
+
+ private QName referredPolicySetName = null;
+
+ /*
+ * @see org.apache.tuscany.sca.policy.PolicySetReference#getReferredPolicySetName()
+ */
+ public QName getReferredPolicySetName() {
+ return referredPolicySetName;
+ }
+
+ /*
+ * @see org.apache.tuscany.sca.policy.PolicySetReference#setReferredPolicySetName(javax.xml.namespace.QName)
+ */
+ public void setReferredPolicySetName(QName refPolicySetName) {
+ referredPolicySetName = refPolicySetName;
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ProfileIntentImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ProfileIntentImpl.java
new file mode 100644
index 0000000000..e5002d2cdc
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/ProfileIntentImpl.java
@@ -0,0 +1,39 @@
+/*
+ * 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.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.ProfileIntent;
+
+/**
+ * Concrete implementation for Profile Intent
+ *
+ * @version $Rev$ $Date$
+ */
+public class ProfileIntentImpl extends IntentImpl implements ProfileIntent {
+ private List<Intent> requiredIntents = new ArrayList<Intent>();
+
+ public List<Intent> getRequiredIntents() {
+ return requiredIntents;
+ }
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/QualifiedIntentImpl.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/QualifiedIntentImpl.java
new file mode 100644
index 0000000000..d6f65b1788
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/impl/QualifiedIntentImpl.java
@@ -0,0 +1,50 @@
+/*
+ * 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.impl;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.QualifiedIntent;
+
+/**
+ * Models a concrete implementation of a Qualified Intent
+ *
+ * @version $Rev$ $Date$
+ */
+public class QualifiedIntentImpl extends IntentImpl implements QualifiedIntent {
+ private Intent qualifiableIntent = null;
+
+ public Intent getQualifiableIntent() {
+ return qualifiableIntent;
+ }
+
+ public void setQualifiableIntent(Intent qualifiableIntent) {
+ this.qualifiableIntent = qualifiableIntent;
+ }
+
+ @Override
+ public List<QName> getConstrains() {
+ return getQualifiableIntent().getConstrains();
+ }
+
+
+}
diff --git a/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java
new file mode 100644
index 0000000000..2e4c6a9d78
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyComputationUtils.java
@@ -0,0 +1,418 @@
+/*
+ * 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java
new file mode 100644
index 0000000000..1f91710f95
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandler.java
@@ -0,0 +1,38 @@
+/*
+ * 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java
new file mode 100644
index 0000000000..3a37ed3c41
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerDefinitionsLoader.java
@@ -0,0 +1,87 @@
+/*
+ * 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);
+ } 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java
new file mode 100644
index 0000000000..c80e68a0be
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerTuple.java
@@ -0,0 +1,91 @@
+/*
+ * 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java
new file mode 100644
index 0000000000..6d6420017f
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyHandlerUtils.java
@@ -0,0 +1,64 @@
+/*
+ * 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java
new file mode 100644
index 0000000000..eb97818042
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationException.java
@@ -0,0 +1,38 @@
+/*
+ * 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/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java
new file mode 100644
index 0000000000..afb3c035ae
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/java/org/apache/tuscany/sca/policy/util/PolicyValidationUtils.java
@@ -0,0 +1,111 @@
+/*
+ * 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 ");
+
+ }
+ }
+ }
+}
diff --git a/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory b/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory
new file mode 100644
index 0000000000..a0e56c1822
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.policy.DefaultIntentAttachPointTypeFactory \ No newline at end of file
diff --git a/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.PolicyFactory b/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.PolicyFactory
new file mode 100644
index 0000000000..846b3b24a4
--- /dev/null
+++ b/sandbox/event/modules/policy/src/main/resources/META-INF/services/org.apache.tuscany.sca.policy.PolicyFactory
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.policy.DefaultPolicyFactory \ No newline at end of file
diff --git a/sandbox/event/modules/policy/src/test/java/org/apache/tuscany/sca/policy/PolicyFactoryTestCase.java b/sandbox/event/modules/policy/src/test/java/org/apache/tuscany/sca/policy/PolicyFactoryTestCase.java
new file mode 100644
index 0000000000..636ff5ab45
--- /dev/null
+++ b/sandbox/event/modules/policy/src/test/java/org/apache/tuscany/sca/policy/PolicyFactoryTestCase.java
@@ -0,0 +1,50 @@
+/*
+ * 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;
+
+import javax.xml.namespace.QName;
+
+import junit.framework.TestCase;
+
+/**
+ * Test building of policy model instances using the policy factory.
+ *
+ * @version $Rev$ $Date$
+ */
+public class PolicyFactoryTestCase extends TestCase {
+
+ PolicyFactory factory;
+
+ @Override
+ public void setUp() throws Exception {
+ factory = new DefaultPolicyFactory();
+ }
+
+ public void testCreateIntent() {
+ Intent intent = factory.createIntent();
+ intent.setName(new QName("http://test", "reliability"));
+ assertEquals(intent.getName(), new QName("http://test", "reliability"));
+ }
+
+ public void testCreatePolicySet() {
+ PolicySet policySet = factory.createPolicySet();
+ policySet.setName(new QName("http://test", "reliability"));
+ assertEquals(policySet.getName(), new QName("http://test", "reliability"));
+ }
+}