diff options
Diffstat (limited to 'libjava/classpath/gnu/java/security/hash/HashFactory.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/hash/HashFactory.java | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/libjava/classpath/gnu/java/security/hash/HashFactory.java b/libjava/classpath/gnu/java/security/hash/HashFactory.java deleted file mode 100644 index 1210ff4db2f..00000000000 --- a/libjava/classpath/gnu/java/security/hash/HashFactory.java +++ /dev/null @@ -1,135 +0,0 @@ -/* HashFactory.java -- - Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc. - -This file is a part of GNU Classpath. - -GNU Classpath 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 2 of the License, or (at -your option) any later version. - -GNU Classpath 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 GNU Classpath; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 -USA - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.security.hash; - -import gnu.java.security.Registry; - -import java.util.Collections; -import java.util.HashSet; -import java.util.Set; - -/** - * A <i>Factory</i> to instantiate message digest algorithm instances. - */ -public class HashFactory -{ - /** Trivial constructor to enforce <i>Singleton</i> pattern. */ - private HashFactory() - { - super(); - } - - /** - * Return an instance of a hash algorithm given its name. - * - * @param name the name of the hash algorithm. - * @return an instance of the hash algorithm, or null if none found. - * @exception InternalError if the implementation does not pass its self- - * test. - */ - public static IMessageDigest getInstance(String name) - { - if (name == null) - return null; - - name = name.trim(); - IMessageDigest result = null; - if (name.equalsIgnoreCase(Registry.WHIRLPOOL_HASH)) - result = new Whirlpool(); - else if (name.equalsIgnoreCase(Registry.RIPEMD128_HASH) - || name.equalsIgnoreCase(Registry.RIPEMD_128_HASH)) - result = new RipeMD128(); - else if (name.equalsIgnoreCase(Registry.RIPEMD160_HASH) - || name.equalsIgnoreCase(Registry.RIPEMD_160_HASH)) - result = new RipeMD160(); - else if (name.equalsIgnoreCase(Registry.SHA160_HASH) - || name.equalsIgnoreCase(Registry.SHA_1_HASH) - || name.equalsIgnoreCase(Registry.SHA1_HASH) - || name.equalsIgnoreCase(Registry.SHA_HASH)) - result = new Sha160(); - else if (name.equalsIgnoreCase(Registry.SHA256_HASH)) - result = new Sha256(); - else if (name.equalsIgnoreCase(Registry.SHA384_HASH)) - result = new Sha384(); - else if (name.equalsIgnoreCase(Registry.SHA512_HASH)) - result = new Sha512(); - else if (name.equalsIgnoreCase(Registry.TIGER_HASH)) - result = new Tiger(); - else if (name.equalsIgnoreCase(Registry.HAVAL_HASH)) - result = new Haval(); - else if (name.equalsIgnoreCase(Registry.MD5_HASH)) - result = new MD5(); - else if (name.equalsIgnoreCase(Registry.MD4_HASH)) - result = new MD4(); - else if (name.equalsIgnoreCase(Registry.MD2_HASH)) - result = new MD2(); - else if (name.equalsIgnoreCase(Registry.HAVAL_HASH)) - result = new Haval(); - - if (result != null && ! result.selfTest()) - throw new InternalError(result.name()); - - return result; - } - - /** - * Returns a {@link Set} of names of hash algorithms supported by this - * <i>Factory</i>. - * - * @return a {@link Set} of hash names (Strings). - */ - public static final Set getNames() - { - HashSet hs = new HashSet(); - hs.add(Registry.WHIRLPOOL_HASH); - hs.add(Registry.RIPEMD128_HASH); - hs.add(Registry.RIPEMD160_HASH); - hs.add(Registry.SHA160_HASH); - hs.add(Registry.SHA256_HASH); - hs.add(Registry.SHA384_HASH); - hs.add(Registry.SHA512_HASH); - hs.add(Registry.TIGER_HASH); - hs.add(Registry.HAVAL_HASH); - hs.add(Registry.MD5_HASH); - hs.add(Registry.MD4_HASH); - hs.add(Registry.MD2_HASH); - - return Collections.unmodifiableSet(hs); - } -} |
