1 files changed, 80 insertions, 0 deletions
diff --git a/src/main/java/org/onap/pnfsimulator/simulator/KeywordsValueProvider.java b/src/main/java/org/onap/pnfsimulator/simulator/KeywordsValueProvider.java
new file mode 100644
index 0000000..3bcfa5b
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+++ b/src/main/java/org/onap/pnfsimulator/simulator/KeywordsValueProvider.java
@@ -0,0 +1,80 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 Nokia. 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.pnfsimulator.simulator;
+
+import io.vavr.Function0;
+import io.vavr.Function1;
+import io.vavr.Function2;
+
+import java.time.Instant;
+import java.util.Random;
+
+import org.apache.commons.lang3.RandomStringUtils;
+
+class KeywordsValueProvider {
+
+    private KeywordsValueProvider() {
+    }
+
+    static final int DEFAULT_STRING_LENGTH = 20;
+    public static final int RANDOM_INTEGER_MAX_LIMITATION = 9;
+    public static final int RANDOM_INTEGER_MIN_LIMITATION = 0;
+
+    private static Function2<Integer, Integer, Integer> bigger = (left, right) -> left >= right ? left : right;
+    private static Function2<Integer, Integer, Integer> smaller = (left, right) -> left < right ? left : right;
+    private static Function2<Integer, Integer,  Integer> randomPrimitiveIntegerFromSortedRange = (min, max) -> new Random().nextInt(max - min  + 1) + min;
+    private static Function2<Integer, Integer, String> randomIntegerFromSortedRange = (min, max) -> Integer.toString(new Random().nextInt(max - min + 1) + min);
+
+    private static Function1<Integer, String> randomString = RandomStringUtils::randomAscii;
+    private static Function2<Integer, Integer, String> randomInteger = (left, right) -> randomIntegerFromSortedRange.apply(smaller.apply(left, right), bigger.apply(left, right));
+    private static Function0<String> randomLimitedInteger = () -> randomInteger.apply(RANDOM_INTEGER_MIN_LIMITATION, RANDOM_INTEGER_MAX_LIMITATION);
+    private static Function0<String> randomLimitedString = () -> RandomStringUtils.randomAscii(DEFAULT_STRING_LENGTH);
+    private static Function0<String> epochSecond = () -> Long.toString(Instant.now().getEpochSecond());
+    private static Function2<Integer, Integer,  Long> randomPrimitiveInteger = (left, right) -> randomPrimitiveIntegerFromSortedRange.apply(smaller.apply(left, right), bigger.apply(left, right)).longValue();
+    private static Function0<Long> timestampPrimitive = () -> Instant.now().getEpochSecond();
+
+    public static Function1<Integer, String> getRandomString() {
+        return randomString;
+    }
+
+    public static Function2<Integer, Integer, String> getRandomInteger() {
+        return randomInteger;
+    }
+
+    public static Function0<String> getRandomLimitedInteger() {
+        return randomLimitedInteger;
+    }
+
+    public static Function0<String> getRandomLimitedString() {
+        return randomLimitedString;
+    }
+
+    public static Function0<String> getEpochSecond() {
+        return epochSecond;
+    }
+
+    public static Function2<Integer, Integer, Long> getRandomPrimitiveInteger() {
+        return randomPrimitiveInteger;
+    }
+
+    public static Function0<Long> getTimestampPrimitive() {
+        return timestampPrimitive;
+    }
+}