diff options
Diffstat (limited to 'tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main')
3 files changed, 153 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main/java/org/apache/tuscany/sca/policy/reliability/ReliabilityPolicyDefinitionsProvider.java b/tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main/java/org/apache/tuscany/sca/policy/reliability/ReliabilityPolicyDefinitionsProvider.java new file mode 100644 index 0000000000..60e28f5231 --- /dev/null +++ b/tags/java/sca/1.5.1-RC1/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/tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.SCADefinitionsProvider b/tags/java/sca/1.5.1-RC1/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/tags/java/sca/1.5.1-RC1/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
\ No newline at end of file diff --git a/tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main/resources/org/apache/tuscany/sca/policy/reliability/definitions.xml b/tags/java/sca/1.5.1-RC1/modules/policy-reliability/src/main/resources/org/apache/tuscany/sca/policy/reliability/definitions.xml new file mode 100644 index 0000000000..df87906ab8 --- /dev/null +++ b/tags/java/sca/1.5.1-RC1/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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