- This model is responsible for process the resolution trees as policies

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@801652 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 132 insertions, 0 deletions

diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java b/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java
new file mode 100644
index 0000000000..766d4020b0
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/src/test/java/org/apache/tuscany/sca/policy/resolutiontrees/PolicyReadTestCase.java
@@ -0,0 +1,96 @@
+/*
+ * 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.resolutiontrees;
+
+import java.io.InputStream;
+import java.io.StringWriter;
+import java.net.URL;
+import java.util.Iterator;
+import java.util.Map;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+import org.junit.Test;
+import org.apache.axiom.om.OMAttribute;
+import org.apache.axiom.om.OMElement;
+import org.apache.tuscany.sca.guardian.Constants;
+
+public class PolicyReadTestCase {
+
+    @Test
+    public void testPolicyReading() throws Exception {
+        ResolutionTreesPolicyProcessor processor = new ResolutionTreesPolicyProcessor(null, null);
+
+        URL url = getClass().getResource("test_policies.xml");
+        XMLInputFactory inputFactory = XMLInputFactory.newInstance();
+
+        InputStream urlStream = url.openStream();
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream);
+
+
+        ResolutionTreesPolicy policy = processor.read(reader);
+        Map<String, OMElement> map = policy.getResolutionTreeElements();
+
+        StringWriter sw = new StringWriter();
+
+        XMLStreamWriter writter = XMLOutputFactory.newInstance().createXMLStreamWriter(sw);
+        writter.writeStartDocument();
+        writter.writeStartElement(Constants.RECOVERY_RULES);
+
+        writeElements(map.values().iterator(), writter);
+
+        writter.writeEndElement();
+        writter.writeEndDocument();
+        writter.close();
+
+        System.out.println(sw.toString());
+    }
+
+    private void writeElements(Iterator elements, XMLStreamWriter writer) throws Exception {
+
+        OMElement el;
+        OMAttribute at;
+
+        while (elements.hasNext()) {
+            el = (OMElement) elements.next();
+
+            //write the element's name
+            writer.writeStartElement(el.getLocalName());
+
+            //write the attributes
+            Iterator attributes = el.getAllAttributes();
+            while (attributes.hasNext()) {
+                at = (OMAttribute) attributes.next();
+                writer.writeAttribute(at.getLocalName(), at.getAttributeValue());
+            }
+
+            //write texts
+            if (el.getText().length() != 0) {
+                writer.writeCharacters(el.getText());
+            }
+
+            Iterator children = el.getChildElements();
+            writeElements(children, writer);
+
+            writer.writeEndElement();
+        }
+
+    }
+}
diff --git a/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml b/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml
new file mode 100644
index 0000000000..405dcde1ae
--- /dev/null
+++ b/sandbox/dougsleite/policy-resolutiontrees/src/test/resources/org/apache/tuscany/sca/policy/resolutiontrees/test_policies.xml
@@ -0,0 +1,36 @@
+<?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.
+-->
+<resolution_trees>
+	<resolution_tree exception_level="1">
+		<exception class="org.exceptions.PrimaryBackupFailedTogetherException">
+			<exception class="org.exceptions.PrimaryFailedException"/>
+			<exception class="org.exceptions.BackupFailedException"/>
+		</exception>
+	</resolution_tree>
+
+	<resolution_tree exception_level="2">
+		<exception class="org.exceptions.UnavailableException">
+			<exception class="org.exceptions.HotelServiceFailedException">
+				<exception class="org.exceptions.RoomBookFailedException"/>
+			</exception>
+			<exception class="org.exceptions.CarServiceFailedException"/>
+		</exception>
+	</resolution_tree>
+</resolution_trees>