1 files changed, 155 insertions, 0 deletions
diff --git a/cmso-optimizer/src/main/java/org/onap/observations/MessageHeaders.java b/cmso-optimizer/src/main/java/org/onap/observations/MessageHeaders.java
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+++ b/cmso-optimizer/src/main/java/org/onap/observations/MessageHeaders.java
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+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property. Modifications Copyright © 2018 IBM.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.
+ */
+
+package org.onap.observations;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * The Class MessageHeaders.
+ */
+public class MessageHeaders {
+
+    /**
+     * The Enum HeadersEnum.
+     */
+    public enum HeadersEnum {
+        UNDEFINED("UNDEFINED"),
+        TransactionID("X-TransactionId"),
+        FromAppID("X-FromAppId"),
+        MinorVersion("X-MinorVersion"),
+        PatchVersion("X-PatchVersion"),
+        LatestVersion("X-LatestVersion"),;
+
+        private final String text;
+
+        private HeadersEnum(String text) {
+            this.text = text;
+        }
+
+        /**
+         * To string.
+         *
+         * @return the string
+         */
+        @Override
+        public String toString() {
+            return text;
+        }
+    }
+
+    /** The Constant supportedMajorVersions. */
+    public static final Map<String, String> supportedMajorVersions = new HashMap<String, String>();
+
+    static {
+        supportedMajorVersions.put("v1", "0");
+        supportedMajorVersions.put("v2", "0");
+    }
+
+    /** The Constant supportedMajorMinorVersions. */
+    public static final Set<String> supportedMajorMinorVersions = new HashSet<String>();
+
+    static {
+        supportedMajorMinorVersions.add("v1.0");
+        supportedMajorMinorVersions.add("v2.0");
+    }
+
+    /** The Constant latestVersion. */
+    public static final String latestVersion = "2.0.0";
+
+    /** The Constant patchVersion. */
+    public static final String patchVersion = "0";
+
+    /**
+     * From string.
+     *
+     * @param text the text
+     * @return the headers enum
+     */
+    public static HeadersEnum fromString(String text) {
+        for (HeadersEnum e : HeadersEnum.values()) {
+            if (e.text.equals(text)) {
+                return e;
+            }
+        }
+        return HeadersEnum.UNDEFINED;
+    }
+
+    /**
+     * Gets the patch version.
+     *
+     * @return the patch version
+     */
+    public static String getPatchVersion() {
+        return patchVersion;
+    }
+
+    /**
+     * Gets the latest version.
+     *
+     * @return the latest version
+     */
+    public static String getLatestVersion() {
+        return latestVersion;
+    }
+
+    /**
+     * Validate major version.
+     *
+     * @param major the major
+     * @return true, if successful
+     */
+    public static boolean validateMajorVersion(String major) {
+        String majorKey = major.toLowerCase();
+        if (!supportedMajorVersions.containsKey(majorKey)) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Validate major minor version.
+     *
+     * @param major the major
+     * @param minor the minor
+     * @return true, if successful
+     */
+    public static boolean validateMajorMinorVersion(String major, String minor) {
+        String majorKey = major.toLowerCase();
+        if (!supportedMajorVersions.containsKey(majorKey)) {
+            return false;
+        }
+
+        if (minor != null) {
+            String majorMinorKey = majorKey + "." + minor;
+            return supportedMajorMinorVersions.contains(majorMinorKey);
+        }
+        return true;
+    }
+}