Port to java 17

[ccsdk/apps.git] / cadi / core / src / main / java / org / onap / ccsdk / apps / cadi / util / UserChainManip.java

diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/UserChainManip.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/UserChainManip.java
new file mode 100644 (file)
index 0000000..13ddfe0
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/UserChainManip.java
@@ -0,0 +1,77 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk
+ * ===========================================================================
+ * Copyright (c) 2023 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.onap.ccsdk.apps.cadi.util;
+
+import org.onap.ccsdk.apps.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();
+        }
+    }
+}