diff options
Diffstat (limited to '')
-rw-r--r-- | sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/EventBindingDefinitionsProvider.java | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/EventBindingDefinitionsProvider.java b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/EventBindingDefinitionsProvider.java new file mode 100644 index 0000000000..4ffb4d22d9 --- /dev/null +++ b/sandbox/event/modules/binding-event/src/main/java/org/apache/tuscany/sca/binding/event/EventBindingDefinitionsProvider.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.binding.event; + +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.security.PrivilegedExceptionAction; + +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +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 for event binding + * + * @version $$ + */ +public class EventBindingDefinitionsProvider implements SCADefinitionsProvider { + private String definitionsFile = "org/apache/tuscany/sca/binding/sca/definitions.xml"; + URLArtifactProcessor urlArtifactProcessor = null; + + public EventBindingDefinitionsProvider(ExtensionPointRegistry registry) { + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(SCADefinitions.class); + } + + public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException { + // Allow privileged access to load resource. Requires RuntimePermssion in security policy. + final URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return getClass().getClassLoader().getResource(definitionsFile); + } + }); + + SCADefinitions scaDefn = null; + try { + final URI uri = new URI(definitionsFile); + // Allow bindings to read properties. Requires PropertyPermission read in security policy. + scaDefn = AccessController.doPrivileged(new PrivilegedExceptionAction<SCADefinitions>() { + public SCADefinitions run() throws ContributionReadException { + return (SCADefinitions)urlArtifactProcessor.read(null, uri, definitionsFileUrl); + } + }); + } catch (Exception e) { + throw new SCADefinitionsProviderException(e); + } + return scaDefn; + } + +} |