diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java b/sandbox/ant/sca/tags/2.0-M2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java new file mode 100644 index 0000000000..b58b9bb874 --- /dev/null +++ b/sandbox/ant/sca/tags/2.0-M2/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityPolicyDefinitionsProvider.java @@ -0,0 +1,86 @@ +/* + * 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.Definitions; +import org.apache.tuscany.sca.definitions.util.DefinitionsUtil; +import org.apache.tuscany.sca.provider.DefinitionsProvider; +import org.apache.tuscany.sca.provider.DefinitionsProviderException; + +/** + * Provider for Policy Intents and PolicySet definitions related to security + * + * @version $Rev$ $Date$ + */ +public class SecurityPolicyDefinitionsProvider implements DefinitionsProvider { + private static final String tuscanyDefinitionsFile = "org/apache/tuscany/sca/policy/security/tuscany_definitions.xml"; + private String definitionsFile = "org/apache/tuscany/sca/policy/security/definitions.xml"; + URLArtifactProcessor urlArtifactProcessor = null; + + public SecurityPolicyDefinitionsProvider(ExtensionPointRegistry registry) { + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(Definitions.class); + } + + public Definitions getDefinitions() throws DefinitionsProviderException { + Definitions scaDefns = null; + Definitions 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 = (Definitions)urlArtifactProcessor.read(null, + uri, + definitionsFileUrl); + + definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return getClass().getClassLoader().getResource(tuscanyDefinitionsFile); + } + }); + + uri = new URI(definitionsFile); + tuscanyDefns = (Definitions)urlArtifactProcessor.read(null, + uri, + definitionsFileUrl); + + DefinitionsUtil.aggregate(tuscanyDefns, scaDefns); + return scaDefns; + + } catch ( Exception e ) { + throw new DefinitionsProviderException(e); + } + } + +} |