cadi/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.cadi.util;
  23
  24 import org.onap.aaf.cadi.UserChain;
  25
  26 public class UserChainManip {
  27         /**
  28             Build an element in the correct format for UserChain.
  29                 Format:<APP>:<ID>:<protocol>[:AS][,<APP>:<ID>:<protocol>]*
  30                 @see UserChain
  31         */
  32         public static StringBuilder build(StringBuilder sb, String app, String id, UserChain.Protocol proto, boolean as) {
  33                 boolean mayAs;
  34                 if(!(mayAs=sb.length()==0)) {
  35                         sb.append(',');
  36                 }
  37                 sb.append(app);
  38                 sb.append(':');
  39                 sb.append(id);
  40                 sb.append(':');
  41                 sb.append(proto.name());
  42                 if(as && mayAs) {
  43                         sb.append(":AS");
  44                 }
  45                 return sb;
  46         }
  47
  48         public static String idToNS(String id) {
  49                 if(id==null) {
  50                         return "";
  51                 } else {
  52                         StringBuilder sb = new StringBuilder();
  53                         char c;
  54                         int end;
  55                         boolean first = true;
  56                         for(int idx = end = id.length()-1;idx>=0;--idx) {
  57                                 if((c = id.charAt(idx))=='@' || c=='.')  {
  58                                         if(idx<end) {
  59                                                 if(first) {
  60                                                         first = false;
  61                                                 } else {
  62                                                         sb.append('.');
  63                                                 }
  64                                                 for(int i=idx+1;i<=end;++i) {
  65                                                         sb.append(id.charAt(i));
  66                                                 }
  67                                         }
  68                                         end=idx-1;
  69                                         if(c=='@') {
  70                                                 break;
  71                                         }
  72                                 }
  73                         }
  74                         return sb.toString();
  75                 }
  76         }
  77 }