1 files changed, 139 insertions, 0 deletions
diff --git a/src/main/java/org/onap/clamp/clds/model/refprop/RefProp.java b/src/main/java/org/onap/clamp/clds/model/refprop/RefProp.java
new file mode 100644
index 00000000..c81b6a77
--- /dev/null
+++ b/src/main/java/org/onap/clamp/clds/model/refprop/RefProp.java
@@ -0,0 +1,139 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * 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============================================
+ * ===================================================================
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+
+package org.onap.clamp.clds.model.refprop;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.io.Resource;
+
+import javax.annotation.PostConstruct;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
+import java.util.logging.Logger;
+
+/**
+ * Holds reference properties.
+ */
+public class RefProp {
+    private static final Logger logger = Logger.getLogger(RefProp.class.getName());
+
+    @Autowired
+    private ApplicationContext appContext;
+    
+    private Properties prop;
+
+    @Value("${org.onap.clamp.config.files.cldsReference:'classpath:/clds/clds-reference.properties'}")
+    private String cldsReferenceValuesFile;
+
+    /**
+     * Load reference properties via null constructor
+     *
+     * @throws IOException
+     */
+    public RefProp() throws IOException {
+    }
+    
+    @PostConstruct
+    public void loadConfig () throws IOException {
+        prop = new Properties();
+        Resource resource = appContext.getResource(cldsReferenceValuesFile);
+        prop.load(resource.getInputStream());
+    }
+
+    /**
+     * get property value
+     *
+     * @param key
+     * @return
+     */
+    public String getStringValue(String key) {
+        return prop.getProperty(key);
+    }
+
+    /**
+     * get property value for a combo key (key1 + "." + key2).  If not found just use key1.
+     *
+     * @param key1
+     * @param key2
+     * @return
+     */
+    public String getStringValue(String key1, String key2) {
+        String value = getStringValue(key1 + "." + key2);
+        if (value == null || value.length() == 0) {
+            value = getStringValue(key1);
+        }
+        return value;
+    }
+
+    /**
+     * Return json as objects that can be updated
+     *
+     * @param key
+     * @return
+     * @throws IOException
+     */
+    public JsonNode getJsonTemplate(String key) throws IOException {
+        ObjectMapper objectMapper = new ObjectMapper();
+        return objectMapper.readValue(getStringValue(key), JsonNode.class);
+    }
+
+    /**
+     * Return json as objects that can be updated.  First try with combo key (key1 + "." + key2), otherwise default to just key1.
+     *
+     * @param key1
+     * @param key2
+     * @return
+     * @throws IOException
+     */
+    public JsonNode getJsonTemplate(String key1, String key2) throws IOException {
+        ObjectMapper objectMapper = new ObjectMapper();
+        return objectMapper.readValue(getStringValue(key1, key2), JsonNode.class);
+    }
+
+    /**
+     * Get list of values for a property field containing json and a field/keyword within that json.
+     *
+     * @param fieldName
+     * @param value
+     * @return
+     * @throws IOException
+     */
+    public List<String> decodeToList(String fieldName, String value) throws IOException {
+        JsonNode decode = getJsonTemplate(fieldName);
+        Iterator<JsonNode> itr = decode.path(value).elements();
+        ArrayList<String> al = new ArrayList<>();
+        while (itr.hasNext()) {
+            JsonNode node = itr.next();
+            al.add(node.asText());
+        }
+        return al;
+    }
+
+}