| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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. |
| */ |
| package org.apache.ratis.util; |
| |
| import java.util.Objects; |
| |
| /** |
| * Size which may be constructed with a {@link TraditionalBinaryPrefix}. |
| */ |
| public final class SizeInBytes { |
| public static final SizeInBytes ONE_KB = valueOf("1k"); |
| public static final SizeInBytes ONE_MB = valueOf("1m"); |
| |
| public static SizeInBytes valueOf(long size) { |
| final String s = String.valueOf(size); |
| return new SizeInBytes(size, s, s); |
| } |
| |
| public static SizeInBytes valueOf(long n, TraditionalBinaryPrefix prefix) { |
| final long size = Objects.requireNonNull(prefix, "prefix = null").toLong(n); |
| final String input = n + " " + prefix.getSymbol(); |
| final String description = input + " (=" + size + ")"; |
| return new SizeInBytes(size, input, description); |
| } |
| |
| public static SizeInBytes valueOf(String input) { |
| input = Objects.requireNonNull(input, "input = null").trim(); |
| |
| final int last = input.length() - 1; |
| final String s = "b".equalsIgnoreCase(input.substring(last))? |
| input.substring(0, last): input; |
| final long size; |
| try { |
| size = TraditionalBinaryPrefix.string2long(s); |
| } catch(NumberFormatException e) { |
| throw new IllegalArgumentException("Failed to parse input " + input, e); |
| } |
| final String description = input.equals(String.valueOf(size))? |
| input: input + " (=" + size + ")"; |
| |
| return new SizeInBytes(size, input, description); |
| } |
| |
| private final long size; |
| private final String input; |
| private final String description; |
| |
| private SizeInBytes(long size, String input, String description) { |
| this.size = size; |
| this.input = input; |
| this.description = description; |
| } |
| |
| public long getSize() { |
| return size; |
| } |
| |
| public int getSizeInt() { |
| return Math.toIntExact(getSize()); |
| } |
| |
| public String getInput() { |
| return input; |
| } |
| |
| @Override |
| public String toString() { |
| return description; |
| } |
| } |