Creating Java SCA 1.x branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@713805 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 153 insertions, 0 deletions

diff --git a/branches/sca-java-1.x/modules/policy-reliability/src/main/java/org/apache/tuscany/sca/policy/reliability/ReliabilityPolicyDefinitionsProvider.java b/branches/sca-java-1.x/modules/policy-reliability/src/main/java/org/apache/tuscany/sca/policy/reliability/ReliabilityPolicyDefinitionsProvider.java
new file mode 100644
index 0000000000..60e28f5231
--- /dev/null
+++ b/branches/sca-java-1.x/modules/policy-reliability/src/main/java/org/apache/tuscany/sca/policy/reliability/ReliabilityPolicyDefinitionsProvider.java
@@ -0,0 +1,72 @@
+/*
+ * 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.reliability;
+
+import java.net.URI;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.SCADefinitions;
+import org.apache.tuscany.sca.provider.SCADefinitionsProvider;
+import org.apache.tuscany.sca.provider.SCADefinitionsProviderException;
+
+/**
+ * Provider for Policy Intents and PolicySet definitions related to security
+ *
+ * @version $Rev$ $Date$
+ */
+public class ReliabilityPolicyDefinitionsProvider implements SCADefinitionsProvider {
+    private String definitionsFile = "org/apache/tuscany/sca/policy/reliability/definitions.xml";
+    URLArtifactProcessor urlArtifactProcessor = null;
+
+    public ReliabilityPolicyDefinitionsProvider(ExtensionPointRegistry registry) {
+        URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+        urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(SCADefinitions.class);
+    }
+
+    public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException {
+        SCADefinitions scaDefns = null;
+        SCADefinitions tuscanyDefns = null;
+        try {
+            // Allow privileged access to load resource. Requires RuntimePermssion in security policy.
+            URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() {
+                public URL run() {
+                    return getClass().getClassLoader().getResource(definitionsFile);
+                }
+            });           
+
+            URI uri = new URI(definitionsFile);
+
+            scaDefns = (SCADefinitions)urlArtifactProcessor.read(null, 
+                                                                 uri, 
+                                                                 definitionsFileUrl);
+
+            return scaDefns;
+
+        } catch ( Exception e ) {
+            throw new SCADefinitionsProviderException(e);
+        }
+    }
+
+}
diff --git a/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider b/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider
new file mode 100644
index 0000000000..7f616cb3d4
--- /dev/null
+++ b/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one

+# or more contributor license agreements.  See the NOTICE file

+# distributed with this work for additional information

+# regarding copyright ownership.  The ASF licenses this file

+# to you under the Apache License, Version 2.0 (the

+# "License"); you may not use this file except in compliance

+# with the License.  You may obtain a copy of the License at

+# 

+#   http://www.apache.org/licenses/LICENSE-2.0

+# 

+# Unless required by applicable law or agreed to in writing,

+# software distributed under the License is distributed on an

+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+# KIND, either express or implied.  See the License for the

+# specific language governing permissions and limitations

+# under the License. 

+

+# Implementation class for SCA Definitions Providers

+org.apache.tuscany.sca.policy.reliability.ReliabilityPolicyDefinitionsProvider
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diff --git a/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/org/apache/tuscany/sca/policy/reliability/definitions.xml b/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/org/apache/tuscany/sca/policy/reliability/definitions.xml
new file mode 100644
index 0000000000..df87906ab8
--- /dev/null
+++ b/branches/sca-java-1.x/modules/policy-reliability/src/main/resources/org/apache/tuscany/sca/policy/reliability/definitions.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<definitions xmlns="http://www.osoa.org/xmlns/sca/1.0"
+ 			 targetNamespace="http://www.osoa.org/xmlns/sca/1.0"
+ 			 xmlns:sca="http://www.osoa.org/xmlns/sca/1.0">
+
+    
+	<!-- Policy Intents Defined by the SCA Runtime -->
+	<intent name="atLeastOnce" 
+	 		constrains="sca:binding">
+		<description>
+            This intent is used to indicate that a message sent
+            by a client is always delivered to the component.
+		</description>
+	</intent>
+	
+	<intent name="atMostOnce" 
+	 		constrains="sca:binding">
+		<description>
+            This intent is used to indicate that a message that was
+            successfully sent by a client is not delivered more than 
+            once to the component.
+		</description>
+	</intent>
+	
+	<intent name="ordered" 
+	 		constrains="sca:binding">
+		<description>
+            This intent is used to indicate that all the messages
+            are delivered to the component in the order they were
+            sent by the client.
+		</description>
+	</intent>
+    
+    <intent name="exactlyOnce" 
+            constrains="sca:binding"
+            requires="atLeastOnce atMostOnce">
+        <description>
+            This profile intent is used to indicate that a message
+            sent by a client is always delivered to the component.
+            It also indicates that duplicate messages are not
+            delivered to the component.
+        </description>
+    </intent>    
+</definitions>
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