org.solinger.sdbm.Hash Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of apache-config Show documentation
Show all versions of apache-config Show documentation
A Java library for reading Apache httpd configuration files
The newest version!
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2010-2014 Christian Bockermann
*
* This file is part of the jwall.org apache-config library. The apache-config library is
* a parsing library to handle Apache HTTPD configuration files.
*
* More information and documentation for the jwall-tools can be found at
*
* http://www.jwall.org/apache-config
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this
* program; if not, see .
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
package org.solinger.sdbm;
/**
* Java rewrite of sdbm.
* sdbm - ndbm work-alike hashed database library
* based on Per-Aake Larson's Dynamic Hashing algorithms. BIT 18 (1978).
* original author: [email protected]
* status: public domain. keep it that way.
* @author Justin Chapweske ([email protected])
* @version .01 06/06/98
* hashing routine
*/
public class Hash {
/**
* polynomial conversion ignoring overflows
* [this seems to work remarkably well, in fact better
* then the ndbm hash function. Replace at your own risk]
* use: 65599 nice.
* 65587 even better.
*/
public static final int hash(String str) {
return hash(str.getBytes());
}
public static final int hash(byte[] b){
int n = 0;
int len = b.length;
for (int i=0;i
© 2015 - 2024 Weber Informatics LLC | Privacy Policy