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Diffstat (limited to 'libjava/gnu/java/rmi/server/RMIHashes.java')
| -rw-r--r-- | libjava/gnu/java/rmi/server/RMIHashes.java | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/libjava/gnu/java/rmi/server/RMIHashes.java b/libjava/gnu/java/rmi/server/RMIHashes.java deleted file mode 100644 index 5a414404d4f..00000000000 --- a/libjava/gnu/java/rmi/server/RMIHashes.java +++ /dev/null @@ -1,98 +0,0 @@ -/* RMIHashes.java -- - Copyright (c) 1996, 1997, 1998, 1999, 2004 Free Software Foundation, Inc. - -This file is 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, 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; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, 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.rmi.server; - -import gnu.java.lang.reflect.TypeSignature; - -import java.io.ByteArrayOutputStream; -import java.io.DataOutputStream; -import java.lang.reflect.Method; -import java.security.MessageDigest; - -public class RMIHashes -{ - //There're other places using DigestOutputStream to generate hash in classpath, but I think the way I used - //here is more efficient, anyway, you can switch to DigestOutputStream by doing like "//or:" comments say. - - //or:add this statement: private static final NullOutputStream nullOutputStream = new NullOutputStream (); - public static long getMethodHash(Method meth) - { - //Object Serialization Spec 8.3 - try - { - MessageDigest md = MessageDigest.getInstance ("SHA"); - //or:remove this statement: DigestOutputStream digest_out = new DigestOutputStream (nullOutputStream, md); - ByteArrayOutputStream digest_out = new ByteArrayOutputStream(); - DataOutputStream data_out = new DataOutputStream (digest_out); - - StringBuffer sbuf = new StringBuffer(); - sbuf.append(meth.getName()); - sbuf.append('('); - Class params[] = meth.getParameterTypes(); - for(int i = 0; i < params.length; i++) - sbuf.append(TypeSignature.getEncodingOfClass(params[i])); - sbuf.append(')'); - Class rcls = meth.getReturnType(); - if(rcls != Void.TYPE) - sbuf.append(TypeSignature.getEncodingOfClass(rcls)); - else - sbuf.append('V'); - - data_out.writeUTF (sbuf.toString()); - data_out.flush(); - data_out.close (); - - md.update(digest_out.toByteArray()); //or:remove this statement - byte[] sha = md.digest (); - long result = 0; - int len = sha.length < 8 ? sha.length : 8; - for (int i=0; i < len; i++) - result += (long)(sha[i] & 0xFF) << (8 * i); - return result; - }catch(Exception _){ - return -1L; - } - } - - public static long getInterfaceHash(Class clazz) - { - return clazz.hashCode (); - } -} - |
