core/src/main/java/com/att/cadi/util/UserChainManip.java

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aai\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * Copyright © 2017 Amdocs\r
   7  * * ===========================================================================\r
   8  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   9  * * you may not use this file except in compliance with the License.\r
  10  * * You may obtain a copy of the License at\r
  11  * * \r
  12  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  13  * * \r
  14  *  * Unless required by applicable law or agreed to in writing, software\r
  15  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  16  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  17  * * See the License for the specific language governing permissions and\r
  18  * * limitations under the License.\r
  19  * * ============LICENSE_END====================================================\r
  20  * *\r
  21  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  22  * *\r
  23  ******************************************************************************/\r
  24 package com.att.cadi.util;\r
  25 \r
  26 import com.att.cadi.UserChain;\r
  27 \r
  28 public class UserChainManip {\r
  29         /** \r
  30             Build an element in the correct format for UserChain.\r
  31                 Format:<APP>:<ID>:<protocol>[:AS][,<APP>:<ID>:<protocol>]*\r
  32                 @see UserChain\r
  33         */ \r
  34         public static StringBuilder build(StringBuilder sb, String app, String id, UserChain.Protocol proto, boolean as) {\r
  35                 boolean mayAs;\r
  36                 if(!(mayAs=sb.length()==0)) {\r
  37                         sb.append(',');\r
  38                 }\r
  39                 sb.append(app);\r
  40                 sb.append(':');\r
  41                 sb.append(id);\r
  42                 sb.append(':');\r
  43                 sb.append(proto.name());\r
  44                 if(as && mayAs) {\r
  45                         sb.append(":AS");\r
  46                 }\r
  47                 return sb;\r
  48         }\r
  49         \r
  50         public static String idToNS(String id) {\r
  51                 if(id==null) {\r
  52                         return "";\r
  53                 } else {\r
  54                         StringBuilder sb = new StringBuilder();\r
  55                         char c;\r
  56                         int end;\r
  57                         boolean first = true;\r
  58                         for(int idx = end = id.length()-1;idx>=0;--idx) {\r
  59                                 if((c = id.charAt(idx))=='@' || c=='.')  {\r
  60                                         if(idx<end) {\r
  61                                                 if(first) {\r
  62                                                         first = false;\r
  63                                                 } else {\r
  64                                                         sb.append('.');\r
  65                                                 }\r
  66                                                 for(int i=idx+1;i<=end;++i) {\r
  67                                                         sb.append(id.charAt(i));\r
  68                                                 }\r
  69                                         }\r
  70                                         end=idx-1;\r
  71                                         if(c=='@') {\r
  72                                                 break;\r
  73                                         }\r
  74                                 }\r
  75                         }\r
  76                         return sb.toString();\r
  77                 }\r
  78         }\r
  79 }\r