From 5d83de3646c6f1b07d2221f5586088deeca27d0a Mon Sep 17 00:00:00 2001
From: slaws <slaws@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 6 Oct 2009 14:24:43 +0000
Subject: Branch for 1.5.2

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@822292 13f79535-47bb-0310-9956-ffa450edef68
---
 .../SecurityPolicyDefinitionsProvider.java         | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 branches/sca-java-1.5.2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java

(limited to 'branches/sca-java-1.5.2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java')

diff --git a/branches/sca-java-1.5.2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java b/branches/sca-java-1.5.2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java
new file mode 100644
index 0000000000..c914d99365
--- /dev/null
+++ b/branches/sca-java-1.5.2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java
@@ -0,0 +1,85 @@
+/*
+ * 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.security;
+
+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.definitions.util.SCADefinitionsUtil;
+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 SecurityPolicyDefinitionsProvider implements SCADefinitionsProvider {
+    private static final String definitionsFile = "org/apache/tuscany/sca/policy/security/definitions.xml";
+    private static final String tuscanyDefinitionsFile = "org/apache/tuscany/sca/policy/security/tuscany_definitions.xml";
+    
+    URLArtifactProcessor urlArtifactProcessor = null;
+
+    public SecurityPolicyDefinitionsProvider(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);
+
+            definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() {
+                public URL run() {
+                    return getClass().getClassLoader().getResource(tuscanyDefinitionsFile);
+                }
+            });
+
+            uri = new URI(definitionsFile);
+            tuscanyDefns = (SCADefinitions)urlArtifactProcessor.read(null, uri, definitionsFileUrl);
+
+            SCADefinitionsUtil.aggregateSCADefinitions(tuscanyDefns, scaDefns);
+            return scaDefns;
+
+        } catch (Exception e) {
+            throw new SCADefinitionsProviderException(e);
+        }
+    }
+
+}
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