1 files changed, 78 insertions, 0 deletions
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java b/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java
new file mode 100644
index 0000000..5f945f3
--- /dev/null
+++ b/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 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.aaf.cadi.util;
+
+import org.onap.aaf.cadi.UserChain;
+
+public class UserChainManip {
+	/** 
+	    Build an element in the correct format for UserChain.
+		Format:<APP>:<ID>:<protocol>[:AS][,<APP>:<ID>:<protocol>]*
+		@see UserChain
+	*/ 
+	public static StringBuilder build(StringBuilder sb, String app, String id, UserChain.Protocol proto, boolean as) {
+		boolean mayAs;
+		if(!(mayAs=sb.length()==0)) {
+			sb.append(',');
+		}
+		sb.append(app);
+		sb.append(':');
+		sb.append(id);
+		sb.append(':');
+		sb.append(proto.name());
+		if(as && mayAs) {
+			sb.append(":AS");
+		}
+		return sb;
+	}
+	
+	public static String idToNS(String id) {
+		if(id==null) {
+			return "";
+		} else {
+			StringBuilder sb = new StringBuilder();
+			char c;
+			int end;
+			boolean first = true;
+			for(int idx = end = id.length()-1;idx>=0;--idx) {
+				if((c = id.charAt(idx))=='@' || c=='.')  {
+					if(idx<end) {
+						if(first) {
+							first = false;
+						} else {
+							sb.append('.');
+						}
+						for(int i=idx+1;i<=end;++i) {
+							sb.append(id.charAt(i));
+						}
+					}
+					end=idx-1;
+					if(c=='@') {
+						break;
+					}
+				}
+			}
+			return sb.toString();
+		}
+	}
+}