1 files changed, 91 insertions, 0 deletions
diff --git a/java/perftests/src/main/java/org/apache/qpid/disttest/results/formatting/CSVFormatter.java b/java/perftests/src/main/java/org/apache/qpid/disttest/results/formatting/CSVFormatter.java
new file mode 100644
index 0000000000..ea7a3f78c7
--- /dev/null
+++ b/java/perftests/src/main/java/org/apache/qpid/disttest/results/formatting/CSVFormatter.java
@@ -0,0 +1,91 @@
+/*
+ * 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.qpid.disttest.results.formatting;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.qpid.disttest.controller.ResultsForAllTests;
+import org.apache.qpid.disttest.message.ParticipantAttribute;
+import org.apache.qpid.disttest.message.ParticipantResult;
+import org.apache.qpid.disttest.results.aggregation.ITestResult;
+
+/**
+ * produces CSV output using the ordered enums in {@link ParticipantAttribute}
+ */
+public class CSVFormatter
+{
+    public String format(ResultsForAllTests results)
+    {
+        StringBuilder builder = new StringBuilder();
+
+        builder.append(header());
+
+        List<ITestResult> testResults = results.getTestResults();
+
+        for (ITestResult testResult : testResults)
+        {
+
+            List<ParticipantResult> participantResults = new ArrayList<ParticipantResult>(testResult.getParticipantResults());
+            Collections.sort(participantResults, new CSVOrderParticipantResultComparator());
+
+            for (ParticipantResult participantResult : participantResults)
+            {
+                Map<ParticipantAttribute, Object> attributes = participantResult.getAttributes();
+                builder.append(row(attributes));
+            }
+        }
+
+        return builder.toString();
+    }
+
+    /**
+     * return a row, including a newline character at the end
+     */
+    private String row(Map<ParticipantAttribute, Object> attributeValueMap)
+    {
+        List<Object> attributeValues = new ArrayList<Object>();
+        for (ParticipantAttribute attribute : ParticipantAttribute.values())
+        {
+            Object attributeValue = attributeValueMap.get(attribute);
+            String attributeValueFormatted = attribute.format(attributeValue);
+            attributeValues.add(attributeValueFormatted);
+        }
+
+        String row = StringUtils.join(attributeValues.toArray(), ",");
+        return row + "\n";
+    }
+
+    /** return the header row, including a newline at the end */
+    private String header()
+    {
+        List<String> displayNames = new ArrayList<String>();
+        for (ParticipantAttribute attribute : ParticipantAttribute.values())
+        {
+            displayNames.add(attribute.getDisplayName());
+        }
+
+        String header = StringUtils.join(displayNames.toArray(), ",");
+        return header + "\n";
+    }
+
+}