Initial OpenECOMP policy/engine commit

[policy/engine.git] / PolicyEngineUtils / src / main / java / org / openecomp / policy / utils / PolicyUtils.java

diff --git a/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java b/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java
new file mode 100644 (file)
index 0000000..fd8102a
--- /dev/null
+++ b/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * PolicyEngineUtils
+ * ================================================================================
+ * 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.policy.utils;
+
+import java.io.IOException;
+import java.util.Base64;
+import java.util.StringTokenizer;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class PolicyUtils {
+       
+       public static String objectToJsonString(Object o) throws JsonProcessingException{
+               ObjectMapper mapper = new ObjectMapper();
+               return mapper.writeValueAsString(o);
+       }
+       
+       public static <T> T jsonStringToObject(String jsonString, Class<T> className) throws JsonParseException, JsonMappingException, IOException{
+               ObjectMapper mapper = new ObjectMapper();
+               T t = mapper.readValue(jsonString, className);
+               return t;
+       }
+       
+       public static String[] decodeBasicEncoding(String encodedValue) throws Exception{
+               if(encodedValue!=null && encodedValue.contains("Basic ")){
+                       String encodedUserPassword = encodedValue.replaceFirst("Basic"  + " ", "");
+                       String usernameAndPassword = null;
+                       byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
+                       usernameAndPassword = new String(decodedBytes, "UTF-8");
+                       StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
+                       String username = tokenizer.nextToken();
+                       String password = tokenizer.nextToken();
+                       return new String[]{username, password};
+               }else{
+                       return null;
+               }
+       }
+}