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-rw-r--r--cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/FQI.java51
1 files changed, 51 insertions, 0 deletions
diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/FQI.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/FQI.java
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index 00000000..66b59b17
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/FQI.java
@@ -0,0 +1,51 @@
+/**
+ * ============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;
+
+public class FQI {
+ /**
+ * Take a Fully Qualified User, and get a Namespace from it.
+ * @param fqi
+ * @return
+ */
+ public final static String reverseDomain(final String fqi) {
+ StringBuilder sb = null;
+ String[] split = Split.split('.',fqi);
+ int at;
+ for (int i=split.length-1;i>=0;--i) {
+ if (sb == null) {
+ sb = new StringBuilder();
+ } else {
+ sb.append('.');
+ }
+
+ if ((at = split[i].indexOf('@'))>0) {
+ sb.append(split[i].subSequence(at+1, split[i].length()));
+ } else {
+ sb.append(split[i]);
+ }
+ }
+
+ return sb==null?"":sb.toString();
+ }
+
+}