| /* |
| * 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.catalina.util; |
| |
| import java.io.IOException; |
| |
| public class Conversions { |
| |
| private Conversions() { |
| // Utility class. Hide default constructor. |
| } |
| |
| public static long byteArrayToLong(byte[] input) throws IOException { |
| if (input.length > 8) { |
| // TODO: Better message |
| throw new IOException(); |
| } |
| |
| int shift = 0; |
| long result = 0; |
| for (int i = input.length - 1; i >= 0; i--) { |
| result = result + ((input[i] & 0xFF) << shift); |
| shift += 8; |
| } |
| |
| return result; |
| } |
| } |