1 files changed, 83 insertions, 0 deletions
diff --git a/appc-adapters/appc-dmaap-adapter/appc-dmaap-adapter-bundle/src/main/java/org/openecomp/appc/adapter/messaging/dmaap/impl/DmaapUtil.java b/appc-adapters/appc-dmaap-adapter/appc-dmaap-adapter-bundle/src/main/java/org/openecomp/appc/adapter/messaging/dmaap/impl/DmaapUtil.java
new file mode 100644
index 000000000..39857b856
--- /dev/null
+++ b/appc-adapters/appc-dmaap-adapter/appc-dmaap-adapter-bundle/src/main/java/org/openecomp/appc/adapter/messaging/dmaap/impl/DmaapUtil.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.adapter.messaging.dmaap.impl;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+public class DmaapUtil {
+    private final static String delimiter = "_";
+    private static String createPreferredRouteFileIfNotExist(String topic) throws IOException {
+        String topicPreferredRouteFileName = null;
+        topicPreferredRouteFileName = topic+"preferredRoute.properties";
+        File fo= new File(topicPreferredRouteFileName);
+        if(!fo.exists()) {
+            ClassLoader classLoader = DmaapUtil.class.getClassLoader();
+            InputStream inputStream = classLoader.getResourceAsStream("preferredRoute.txt");
+            Properties props = new Properties();
+            props.load(inputStream);
+            String fileName = topic != null ? topic+delimiter+"MR1" : delimiter+"MR1";
+            props.setProperty("preferredRouteKey", fileName);
+            topicPreferredRouteFileName = topic + "preferredRoute.properties";
+            props.store(new FileOutputStream(topicPreferredRouteFileName), "preferredRoute.properties file created on the fly for topic:" + topic + " on:" + System.currentTimeMillis());
+        }
+        return topicPreferredRouteFileName;
+    }
+
+    public static String createConsumerPropFile(String topic, Properties props)throws IOException {
+        String defaultProfFileName = "consumer.properties";
+        String topicConsumerPropFileName = createConsumerProducerPropFile(topic, defaultProfFileName,props);
+        return topicConsumerPropFileName;
+    }
+
+    public static String createProducerPropFile(String topic, Properties props)throws IOException {
+        String defaultProfFileName = "producer.properties";
+        String topicConsumerPropFileName = createConsumerProducerPropFile(topic, defaultProfFileName,props);
+        return topicConsumerPropFileName;
+    }
+
+    private static String createConsumerProducerPropFile(String topic, String defaultProfFileName, Properties props) throws IOException {
+        ClassLoader classLoader = DmaapUtil.class.getClassLoader();
+        InputStream inputStream = classLoader.getResourceAsStream(defaultProfFileName);
+        Properties defaultProps = new Properties();
+        defaultProps.load(inputStream);
+        defaultProps.setProperty("topic",topic);
+
+        String preferredRouteFileName = DmaapUtil.createPreferredRouteFileIfNotExist(topic);
+        if(props != null && !props.isEmpty()){
+            defaultProps.putAll(props);
+        }
+        defaultProps.setProperty("topic",topic);
+        defaultProps.setProperty("DME2preferredRouterFilePath",preferredRouteFileName);
+        String id = defaultProps.getProperty("id");
+        String topicConsumerPropFileName = defaultProfFileName;
+        topicConsumerPropFileName = id != null ? id+delimiter+topicConsumerPropFileName : delimiter+topicConsumerPropFileName;
+        topicConsumerPropFileName = topic != null ? topic+delimiter+topicConsumerPropFileName : delimiter+topicConsumerPropFileName;
+
+        defaultProps.store(new FileOutputStream(topicConsumerPropFileName), defaultProfFileName+" file created on the fly for topic:"+topic+" on:"+System.currentTimeMillis());
+        return topicConsumerPropFileName;
+    }
+
+}