java.lang.String class.
- *
- * @param clazz the class
- * @return the package name, or the empty String if the class
- * is defined in the default package
- */
- public static String getPackageName(Class clazz) {
- String className = clazz.getName();
- int lastDotIndex = className.lastIndexOf(PACKAGE_SEPARATOR);
- return (lastDotIndex != -1 ? className.substring(0, lastDotIndex) : "");
- }
-
public static boolean isInnerClass(Class clazz) {
return !Modifier.isStatic(clazz.getModifiers()) && clazz.getEnclosingClass() != null;
}
diff --git a/server/src/main/java/org/opensearch/common/LegacyTimeBasedUUIDGenerator.java b/server/src/main/java/org/opensearch/common/LegacyTimeBasedUUIDGenerator.java
deleted file mode 100644
index 1e2d9b87281d6..0000000000000
--- a/server/src/main/java/org/opensearch/common/LegacyTimeBasedUUIDGenerator.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * SPDX-License-Identifier: Apache-2.0
- *
- * The OpenSearch Contributors require contributions made to
- * this file be licensed under the Apache-2.0 license or a
- * compatible open source license.
- */
-
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you 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.
- */
-
-/*
- * Modifications Copyright OpenSearch Contributors. See
- * GitHub history for details.
- */
-
-package org.opensearch.common;
-
-import java.util.Base64;
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * These are essentially flake ids, but we use 6 (not 8) bytes for timestamp, and use 3 (not 2) bytes for sequence number.
- * For more information about flake ids, check out
- * https://archive.fo/2015.07.08-082503/http://www.boundary.com/blog/2012/01/flake-a-decentralized-k-ordered-unique-id-generator-in-erlang/
- *
- * @opensearch.internal
- */
-
-class LegacyTimeBasedUUIDGenerator implements UUIDGenerator {
-
- // We only use bottom 3 bytes for the sequence number. Paranoia: init with random int so that if JVM/OS/machine goes down, clock slips
- // backwards, and JVM comes back up, we are less likely to be on the same sequenceNumber at the same time:
- private final AtomicInteger sequenceNumber = new AtomicInteger(SecureRandomHolder.INSTANCE.nextInt());
-
- // Used to ensure clock moves forward:
- private long lastTimestamp;
-
- private static final byte[] SECURE_MUNGED_ADDRESS = MacAddressProvider.getSecureMungedAddress();
-
- static {
- assert SECURE_MUNGED_ADDRESS.length == 6;
- }
-
- /** Puts the lower numberOfLongBytes from l into the array, starting index pos. */
- private static void putLong(byte[] array, long l, int pos, int numberOfLongBytes) {
- for (int i = 0; i < numberOfLongBytes; ++i) {
- array[pos + numberOfLongBytes - i - 1] = (byte) (l >>> (i * 8));
- }
- }
-
- @Override
- public String getBase64UUID() {
- final int sequenceId = sequenceNumber.incrementAndGet() & 0xffffff;
- long timestamp = System.currentTimeMillis();
-
- synchronized (this) {
- // Don't let timestamp go backwards, at least "on our watch" (while this JVM is running). We are still vulnerable if we are
- // shut down, clock goes backwards, and we restart... for this we randomize the sequenceNumber on init to decrease chance of
- // collision:
- timestamp = Math.max(lastTimestamp, timestamp);
-
- if (sequenceId == 0) {
- // Always force the clock to increment whenever sequence number is 0, in case we have a long time-slip backwards:
- timestamp++;
- }
-
- lastTimestamp = timestamp;
- }
-
- final byte[] uuidBytes = new byte[15];
-
- // Only use lower 6 bytes of the timestamp (this will suffice beyond the year 10000):
- putLong(uuidBytes, timestamp, 0, 6);
-
- // MAC address adds 6 bytes:
- System.arraycopy(SECURE_MUNGED_ADDRESS, 0, uuidBytes, 6, SECURE_MUNGED_ADDRESS.length);
-
- // Sequence number adds 3 bytes:
- putLong(uuidBytes, sequenceId, 12, 3);
-
- assert 9 + SECURE_MUNGED_ADDRESS.length == uuidBytes.length;
-
- return Base64.getUrlEncoder().withoutPadding().encodeToString(uuidBytes);
- }
-}
diff --git a/server/src/main/java/org/opensearch/common/Numbers.java b/server/src/main/java/org/opensearch/common/Numbers.java
index 7a87cd58b0e29..dbcde890e8fe2 100644
--- a/server/src/main/java/org/opensearch/common/Numbers.java
+++ b/server/src/main/java/org/opensearch/common/Numbers.java
@@ -57,28 +57,6 @@ public static long bytesToLong(BytesRef bytes) {
return (((long) high) << 32) | (low & 0x0ffffffffL);
}
- public static byte[] intToBytes(int val) {
- byte[] arr = new byte[4];
- arr[0] = (byte) (val >>> 24);
- arr[1] = (byte) (val >>> 16);
- arr[2] = (byte) (val >>> 8);
- arr[3] = (byte) (val);
- return arr;
- }
-
- /**
- * Converts an int to a byte array.
- *
- * @param val The int to convert to a byte array
- * @return The byte array converted
- */
- public static byte[] shortToBytes(int val) {
- byte[] arr = new byte[2];
- arr[0] = (byte) (val >>> 8);
- arr[1] = (byte) (val);
- return arr;
- }
-
/**
* Converts a long to a byte array.
*
@@ -98,16 +76,6 @@ public static byte[] longToBytes(long val) {
return arr;
}
- /**
- * Converts a double to a byte array.
- *
- * @param val The double to convert to a byte array
- * @return The byte array converted
- */
- public static byte[] doubleToBytes(double val) {
- return longToBytes(Double.doubleToRawLongBits(val));
- }
-
/** Returns true if value is neither NaN nor infinite. */
public static boolean isValidDouble(double value) {
if (Double.isNaN(value) || Double.isInfinite(value)) {
diff --git a/server/src/main/java/org/opensearch/common/RandomBasedUUIDGenerator.java b/server/src/main/java/org/opensearch/common/RandomBasedUUIDGenerator.java
index fdc53d8335c2f..f83ef930688f8 100644
--- a/server/src/main/java/org/opensearch/common/RandomBasedUUIDGenerator.java
+++ b/server/src/main/java/org/opensearch/common/RandomBasedUUIDGenerator.java
@@ -32,9 +32,6 @@
package org.opensearch.common;
-import org.opensearch.common.settings.SecureString;
-
-import java.util.Arrays;
import java.util.Base64;
import java.util.Random;
@@ -54,27 +51,6 @@ public String getBase64UUID() {
return getBase64UUID(SecureRandomHolder.INSTANCE);
}
- /**
- * Returns a Base64 encoded {@link SecureString} of a Version 4.0 compatible UUID
- * as defined here: http://www.ietf.org/rfc/rfc4122.txt
- */
- public SecureString getBase64UUIDSecureString() {
- byte[] uuidBytes = null;
- byte[] encodedBytes = null;
- try {
- uuidBytes = getUUIDBytes(SecureRandomHolder.INSTANCE);
- encodedBytes = Base64.getUrlEncoder().withoutPadding().encode(uuidBytes);
- return new SecureString(CharArrays.utf8BytesToChars(encodedBytes));
- } finally {
- if (uuidBytes != null) {
- Arrays.fill(uuidBytes, (byte) 0);
- }
- if (encodedBytes != null) {
- Arrays.fill(encodedBytes, (byte) 0);
- }
- }
- }
-
/**
* Returns a Base64 encoded version of a Version 4.0 compatible UUID
* randomly initialized by the given {@link java.util.Random} instance
diff --git a/server/src/main/java/org/opensearch/common/Strings.java b/server/src/main/java/org/opensearch/common/Strings.java
index 68b22589de76e..7ec053522c5a6 100644
--- a/server/src/main/java/org/opensearch/common/Strings.java
+++ b/server/src/main/java/org/opensearch/common/Strings.java
@@ -80,67 +80,6 @@ public static void spaceify(int spaces, String from, StringBuilder to) throws Ex
}
}
- /**
- * Splits a backslash escaped string on the separator.
- *
- * Current backslash escaping supported:
- *
\n \t \r \b \f are escaped the same as a Java String
- *
Other characters following a backslash are produced verbatim (\c => c)
- *
- * @param s the string to split
- * @param separator the separator to split on
- * @param decode decode backslash escaping
- */
- public static List